{"id":9977,"date":"2023-05-22T16:15:51","date_gmt":"2023-05-22T09:15:51","guid":{"rendered":"https:\/\/idconline.vn\/blog\/?p=9977"},"modified":"2023-06-06T09:33:55","modified_gmt":"2023-06-06T02:33:55","slug":"cach-tang-toc-do-trang-web-cua-ban-bang-vps-server","status":"publish","type":"post","link":"https:\/\/idconline.vn\/blog\/cach-tang-toc-do-trang-web-cua-ban-bang-vps-server\/","title":{"rendered":"C\u00e1ch t\u0103ng t\u1ed1c \u0111\u1ed9 trang web c\u1ee7a b\u1ea1n b\u1eb1ng VPS server"},"content":{"rendered":"\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng thu\u00ea m\u00e1y ch\u1ee7 VPS Server l\u00e0 gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u cho nhu c\u1ea7u x\u1eed l\u00fd l\u01b0u tr\u1eef Web. V\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 l\u00e0m sao \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web c\u1ee7a b\u1ea1n b\u1eb1ng VPS server. V\u1edbi b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y,&nbsp;IDC s\u1ebd chia s\u1ebb c\u00e1c c\u00e1ch c\u00e1ch t\u0103ng t\u1ed1c \u0111\u1ed9 trang web c\u1ee7a b\u1ea1n b\u1eb1ng VPS server. M\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng chuy\u00ean m\u00f4n v\u1eabn c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n\n\n\n<div id=\"toc_container\" class=\"toc_white no_bullets\"><p class=\"toc_title\">M\u1ee5c l\u1ee5c<\/p><ul class=\"toc_list\"><li><a href=\"#Khai_niemnbspVPS_servernbspla_gi\">Kh\u00e1i ni\u1ec7m&nbsp;VPS server&nbsp;l\u00e0 g\u00ec?<\/a><\/li><li><a href=\"#Su_dung_bo_nho_cache\">S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache:<\/a><\/li><li><a href=\"#Toi_uu_hoa_co_so_du_lieu\">T\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/a><\/li><li><a href=\"#Su_dung_CDN_Content_Delivery_Network\">S\u1eed d\u1ee5ng CDN (Content Delivery Network):<\/a><\/li><li><a href=\"#Nen_tai_nguyen\">N\u00e9n t\u00e0i nguy\u00ean:<\/a><\/li><li><a href=\"#Toi_uu_hoa_hinh_anh\">T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh:<\/a><\/li><li><a href=\"#Xem_xet_su_dung_HTTP2\">Xem x\u00e9t s\u1eed d\u1ee5ng HTTP\/2:<\/a><\/li><li><a href=\"#Kiem_tra_va_cai_thien_thoi_gian_phan_hoi_may_chu\">Ki\u1ec3m tra v\u00e0 c\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i m\u00e1y ch\u1ee7:<\/a><\/li><li><a href=\"#Su_dung_may_chu_web_hieu_qua\">S\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 web hi\u1ec7u qu\u1ea3:<\/a><\/li><li><a href=\"#Toi_uu_hoa_ma_nguon\">T\u1ed1i \u01b0u h\u00f3a m\u00e3 ngu\u1ed3n:<\/a><\/li><li><a href=\"#Theo_doi_va_giam_sat\">Theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t:<\/a><\/li><li><a href=\"#Cap_nhat_va_bao_mat\">C\u1eadp nh\u1eadt v\u00e0 b\u1ea3o m\u1eadt<\/a><\/li><li><a href=\"#Toi_uu_hoa_DNS\">T\u1ed1i \u01b0u h\u00f3a DNS:<\/a><\/li><li><a href=\"#MuanbspVPS_servernbspchat_luong_tainbspIDC_Online\">Mua&nbsp;VPS server&nbsp;ch\u1ea5t l\u01b0\u1ee3ng t\u1ea1i&nbsp;IDC Online<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"Khai_niemnbspVPS_servernbspla_gi\"><strong>Kh\u00e1i ni\u1ec7m<\/strong>&nbsp;<strong>VPS server<\/strong>&nbsp;<strong>l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n\n\n\n<p>M\u1ed9t VPS (Virtual Private Server) l\u00e0 m\u1ed9t d\u1ea1ng m\u00e1y ch\u1ee7 \u1ea3o \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd. M\u1ed9t VPS server \u0111\u01b0\u1ee3c chia s\u1ebb t\u1eeb m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd. Tuy nhi\u00ean, n\u00f3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh, qu\u1ea3n l\u00fd ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp v\u1edbi c\u00e1c VPS server kh\u00e1c tr\u00ean c\u00f9ng m\u00e1y ch\u1ee7 v\u1eadt l\u00fd.<\/p>\n\n\n\n<p>M\u1ed9t VPS cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng c\u1ee7a m\u1ed9t m\u00e1y ch\u1ee7 ri\u00eang. Bao g\u1ed3m quy\u1ec1n truy c\u1eadp \u0111\u1ea7y \u0111\u1ee7 v\u00e0o t\u00e0i nguy\u00ean v\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7. Nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n ph\u1ea3i t\u1ef1 qu\u1ea3n l\u00fd VPS c\u1ee7a m\u00ecnh. Bao g\u1ed3m c\u00e0i \u0111\u1eb7t, c\u1ea5u h\u00ecnh v\u00e0 b\u1ea3o tr\u00ec c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>M\u1ed7i VPS \u1ea3o \u0111\u1ec1u l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ri\u00eang, c\u00f3 CPU \u2013 RAM \u2013 HDD \u2013 \u0111\u1ecba ch\u1ec9 IP \u2013 h\u1ec7 \u0111i\u1ec1u h\u00e0nh ri\u00eang. B\u1ea5t k\u1ef3 l\u00fac n\u00e0o ng\u01b0\u1eddi thu\u00ea VPS \u0111\u1ec1u c\u00f3 th\u1ec3 root, restart l\u1ea1i h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi kh\u00e1c.<\/p>\n\n\n\n<p>VPS ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng Mail Server, Web Server, Backup\/Storage Serv\u1ebb. D\u00f9ng ri\u00eang ho\u1eb7c truy\u1ec1n t\u1ea3i file d\u1eef li\u1ec7u gi\u1eefa c\u00e1c chi nh\u00e1nh v\u1edbi nhau m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. Thu\u1eadn ti\u1ec7n v\u00e0 b\u1ea3o m\u1eadt, d\u1ec5 d\u00e0ng n\u00e2ng c\u1ea5p t\u00e0i nguy\u00ean v\u00e0 t\u00e1i t\u1ea1o l\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Khi g\u1eb7p s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng v\u1edbi th\u1eddi gian th\u1ef1c hi\u1ec7n r\u1ea5t nhanh m\u00e0 kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n<p>VPS nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p dung h\u00f2a gi\u1eefa Hosting, m\u00e1y ch\u1ee7 ri\u00eang theo c\u1ea3 kh\u00eda c\u1ea1nh chi ph\u00ed c\u00e1ch v\u1eadn h\u00e0nh. V\u00ec v\u1eady \u0111\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p cho c\u00e1c c\u00e1 nh\u00e2n, doanh nghi\u1ec7p mu\u1ed1n c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 ri\u00eang bi\u1ec7t. To\u00e0n quy\u1ec1n qu\u1ea3n l\u00fd v\u1edbi chi ph\u00ed th\u1ea5p.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/05\/image-9.png\" alt=\"\" class=\"wp-image-9979\" width=\"846\" height=\"423\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/05\/image-9.png 640w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/05\/image-9-300x150.png 300w\" sizes=\"(max-width: 846px) 100vw, 846px\" \/><\/figure>\n\n\n\n<p>Xem th\u00eam: <a href=\"https:\/\/idconline.vn\/blog\/tat-ca-nhung-gi-ban-can-biet-ve-vps-server.html\" target=\"_blank\" rel=\"noreferrer noopener\">T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 VPS server<\/a><\/p>\n\n\n\n<p><strong><em>\u0110\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web c\u1ee7a b\u1ea1n b\u1eb1ng VPS server, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p sau:<\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Su_dung_bo_nho_cache\">S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache:<\/span><\/h2>\n\n\n\n<p>S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web. B\u1ed9 nh\u1edb cache gi\u00fap l\u01b0u tr\u1eef phi\u00ean b\u1ea3n t\u0129nh c\u1ee7a trang web, gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd, t\u1ea3i xu\u1ed1ng t\u1eeb m\u00e1y ch\u1ee7.<\/p>\n\n\n\n<ol>\n<li>Varnish Cache: Varnish Cache l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 cache m\u1ea1nh m\u1ebd v\u00e0 ph\u1ed5 bi\u1ebfn. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c b\u1ea3n sao t\u0129nh c\u1ee7a trang web trong b\u1ed9 nh\u1edb. Khi m\u1ed9t y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn, Varnish s\u1ebd tr\u1ea3 v\u1ec1 phi\u00ean b\u1ea3n cache n\u1ebfu c\u00f3 s\u1eb5n. Gi\u1ea3m th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp.<\/li>\n\n\n\n<li>Redis Cache. Redis l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb c\u1ee7a m\u00e1y ch\u1ee7. Redis Cache gi\u00fap gi\u1ea3m th\u1eddi gian truy xu\u1ea5t d\u1eef li\u1ec7u v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web.<\/li>\n\n\n\n<li>Nginx FastCGI Cache: Nginx l\u00e0 m\u1ed9t m\u00e1y ch\u1ee7 web ph\u1ed5 bi\u1ebfn v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng cache t\u1ed1t. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng module FastCGI Cache c\u1ee7a Nginx, b\u1ea1n c\u00f3 th\u1ec3 l\u01b0u tr\u1eef phi\u00ean b\u1ea3n t\u0129nh c\u1ee7a trang web. <\/li>\n\n\n\n<li>CDN Integration: K\u1ebft h\u1ee3p VPS server v\u1edbi m\u1ed9t CDN (Content Delivery Network) c\u0169ng cung c\u1ea5p ch\u1ee9c n\u0103ng cache m\u1ea1nh m\u1ebd. CDN s\u1ebd l\u01b0u tr\u1eef n\u1ed9i dung c\u1ee7a trang web tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 ph\u00e2n t\u00e1n tr\u00ean to\u00e0n c\u1ea7u. Khi c\u00f3 y\u00eau c\u1ea7u truy c\u1eadp, CDN s\u1ebd cung c\u1ea5p phi\u00ean b\u1ea3n cache g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache hi\u1ec7u qu\u1ea3, b\u1ea1n c\u1ea7n c\u1ea5u h\u00ecnh v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00f4ng c\u1ee5 cache. Ph\u00f9 h\u1ee3p v\u1edbi trang web v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n, \u0111\u1ed3ng th\u1eddi c\u1ea7n l\u01b0u \u00fd c\u1eadp nh\u1eadt. V\u00e0 x\u00f3a cache \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u1ed9i dung \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 tr\u00e1nh s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Toi_uu_hoa_co_so_du_lieu\">T\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/span><\/h2>\n\n\n\n<p>T\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web.<\/p>\n\n\n\n<ol>\n<li>Ch\u1ec9 m\u1ee5c \u0111\u00fang: \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c truy v\u1ea5n quan tr\u1ecdng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u00e1c ch\u1ec9 m\u1ee5c \u0111\u00fang. Ch\u1ec9 m\u1ee5c gi\u00fap c\u01a1 s\u1edf d\u1eef li\u1ec7u nhanh ch\u00f3ng t\u00ecm ki\u1ebfm v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a truy v\u1ea5n: Ki\u1ec3m tra c\u00e1c truy v\u1ea5n SQL v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c vi\u1ebft t\u1ed1i \u01b0u. S\u1eed d\u1ee5ng c\u00e1c c\u00e2u l\u1ec7nh JOIN, WHERE, GROUP BY v\u00e0 ORDER BY hi\u1ec7u qu\u1ea3, tr\u00e1nh c\u00e1c truy v\u1ea5n ph\u1ee9c t\u1ea1p.<\/li>\n\n\n\n<li>Lo\u1ea1i b\u1ecf truy v\u1ea5n kh\u00f4ng c\u1ea7n thi\u1ebft. Ki\u1ec3m tra xem c\u00f3 c\u00e1c truy v\u1ea5n kh\u00f4ng c\u1ea7n thi\u1ebft trong m\u00e3 ngu\u1ed3n c\u1ee7a trang web. Lo\u1ea1i b\u1ecf c\u00e1c truy v\u1ea5n kh\u00f4ng c\u1ea7n thi\u1ebft s\u1ebd gi\u1ea3m t\u1ea3i cho c\u01a1 s\u1edf d\u1eef li\u1ec7u, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac c\u01a1 s\u1edf d\u1eef li\u1ec7u. Xem x\u00e9t l\u1ea1i c\u1ea5u tr\u00fac c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 t\u1ed1i \u01b0u cho y\u00eau c\u1ea7u c\u1ee7a trang web. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng ki\u1ec3u d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p, c\u1ea5u h\u00ecnh k\u00edch th\u01b0\u1edbc tr\u01b0\u1eddng v\u00e0 b\u1ea3ng. T\u1ea1o c\u00e1c quan h\u1ec7 hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c b\u1ea3ng.<\/li>\n\n\n\n<li>T\u1ef1 \u0111\u1ed9ng sao l\u01b0u v\u00e0 t\u1ed1i \u01b0u h\u00f3a: Thi\u1ebft l\u1eadp sao l\u01b0u t\u1ef1 \u0111\u1ed9ng \u0111\u1ecbnh k\u1ef3 cho c\u01a1 s\u1edf d\u1eef li\u1ec7u. \u0110\u1ed3ng th\u1eddi, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 c\u00e2u l\u1ec7nh t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 x\u00f3a d\u1eef li\u1ec7u th\u1eeba.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ec7m: S\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ec7m \u0111\u1ec3 l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c k\u1ebft qu\u1ea3 truy v\u1ea5n ph\u1ed5 bi\u1ebfn. B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1ea1m th\u1eddi trong b\u1ed9 \u0111\u1ec7m. B\u1ea1n c\u00f3 th\u1ec3 tr\u00e1nh vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n l\u1eb7p l\u1ea1i v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Su_dung_CDN_Content_Delivery_Network\">S\u1eed d\u1ee5ng CDN (Content Delivery Network):<\/span><\/h2>\n\n\n\n<p>S\u1eed d\u1ee5ng CDN (Content Delivery Network) l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web c\u1ee7a b\u1ea1n. <\/p>\n\n\n\n<ol>\n<li>Gi\u1ea3m \u0111\u1ed9 tr\u1ec5: Khi b\u1ea1n s\u1eed d\u1ee5ng CDN, n\u1ed9i dung c\u1ee7a trang web c\u1ee7a b\u1ea1n. \u0110\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 g\u1ea7n ng\u01b0\u1eddi d\u00f9ng, Khi c\u00f3 y\u00eau c\u1ea7u truy c\u1eadp. CDN s\u1ebd cung c\u1ea5p phi\u00ean b\u1ea3n cache g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 trong qu\u00e1 tr\u00ecnh t\u1ea3i trang.<\/li>\n\n\n\n<li>T\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang: B\u1eb1ng c\u00e1ch ph\u00e2n ph\u1ed1i n\u1ed9i dung tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7. CDN cho ph\u00e9p t\u1ea3i trang web t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 g\u1ea7n ng\u01b0\u1eddi d\u00f9ng. Gi\u1ea3m th\u1eddi gian truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang.<\/li>\n\n\n\n<li>T\u1ea3i tr\u1ecdng ph\u00e2n t\u00e1n. S\u1eed d\u1ee5ng CDN gi\u00fap ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7, gi\u1ea3m t\u1ea3i cho VPS server c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng VPS server kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i, c\u00f3 th\u1ec3 x\u1eed l\u00fd y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>B\u1ea3o m\u1eadt v\u00e0 b\u1ea3o v\u1ec7. M\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt nh\u01b0 b\u1ea3o v\u1ec7 DDoS, m\u00e3 h\u00f3a&#8230; \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 trang web kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng, \u0111\u1ea3m b\u1ea3o an to\u00e0n th\u00f4ng tin.<\/li>\n\n\n\n<li>M\u1edf r\u1ed9ng quy m\u00f4. Khi l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn trang web t\u0103ng l\u00ean, CDN c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4 d\u1ec5 d\u00e0ng. B\u1ea1n c\u00f3 th\u1ec3 th\u00eam c\u00e1c v\u1ecb tr\u00ed m\u00e1y ch\u1ee7 m\u1edbi ho\u1eb7c t\u0103ng kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>Qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean. S\u1eed d\u1ee5ng CDN gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o VPS server c\u1ee7a b\u1ea1n. Gi\u00fap ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng v\u00e0 t\u00e0i nguy\u00ean c\u1ee7a VPS.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Nen_tai_nguyen\">N\u00e9n t\u00e0i nguy\u00ean:<\/span><\/h2>\n\n\n\n<p>N\u00e9n t\u00e0i nguy\u00ean l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 trang web. B\u1eb1ng c\u00e1ch gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c t\u00e0i nguy\u00ean nh\u01b0 h\u00ecnh \u1ea3nh, file CSS v\u00e0 JavaScript.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 n\u00e9n t\u00e0i nguy\u00ean tr\u00ean trang web c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ol>\n<li>N\u00e9n h\u00ecnh \u1ea3nh. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e9n h\u00ecnh \u1ea3nh nh\u01b0 TinyPNG ho\u1eb7c JPEGmini \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh. B\u1ea1n s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh c\u00f3 n\u00e9n nh\u01b0 WebP \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p tin h\u00ecnh \u1ea3nh.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng m\u00e3 h\u00f3a GZIP. K\u00edch ho\u1ea1t m\u00e3 h\u00f3a GZIP tr\u00ean m\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n \u0111\u1ec3 n\u00e9n t\u00e0i nguy\u00ean t\u0129nh nh\u01b0 file CSS. JavaScript v\u00e0 HTML tr\u01b0\u1edbc khi g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ea3i xu\u1ed1ng v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web.<\/li>\n\n\n\n<li>K\u1ebft h\u1ee3p v\u00e0 t\u1ed1i \u01b0u h\u00f3a t\u1ec7p tin CSS v\u00e0 JavaScript. K\u1ebft h\u1ee3p nhi\u1ec1u t\u1ec7p tin CSS, JavaScript th\u00e0nh m\u1ed9t t\u1ec7p duy nh\u1ea5t \u0111\u1ec3 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u t\u1ea3i v\u1ec1 t\u1eeb m\u00e1y ch\u1ee7. .<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng CDNs v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd t\u1ec7p tin t\u0129nh: S\u1eed d\u1ee5ng CDN (Content Delivery Network). D\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd t\u1ec7p tin t\u0129nh nh\u01b0 Cloudflare \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a, n\u00e9n t\u00e0i nguy\u00ean tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u to\u00e0n c\u1ea7u. C\u00e1c d\u1ecbch v\u1ee5 n\u00e0y s\u1ebd t\u1ef1 \u0111\u1ed9ng n\u00e9n, ph\u00e2n ph\u1ed1i t\u00e0i nguy\u00ean tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp.<\/li>\n\n\n\n<li>Lo\u1ea1i b\u1ecf m\u00e3 kh\u00f4ng s\u1eed d\u1ee5ng. Ki\u1ec3m tra m\u00e3 ngu\u1ed3n c\u1ee7a trang web v\u00e0 lo\u1ea1i b\u1ecf m\u00e3 kh\u00f4ng s\u1eed d\u1ee5ng ho\u1eb7c kh\u00f4ng c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p tin v\u00e0 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3i trang.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt lazy loading. \u00c1p d\u1ee5ng k\u1ef9 thu\u1eadt lazy loading cho h\u00ecnh \u1ea3nh v\u00e0 n\u1ed9i dung kh\u00e1c tr\u00ean trang web. K\u1ef9 thu\u1eadt n\u00e0y<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Toi_uu_hoa_hinh_anh\">T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh:<\/span><\/h2>\n\n\n\n<p>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p tin h\u00ecnh \u1ea3nh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh tr\u00ean trang web c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ol>\n<li>N\u00e9n h\u00ecnh \u1ea3nh: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e9n h\u00ecnh \u1ea3nh nh\u01b0 TinyPNG, JPEGmini ho\u1eb7c Kraken.io. \u0110\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p tin h\u00ecnh \u1ea3nh m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng. C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft trong h\u00ecnh \u1ea3nh v\u00e0 t\u1ed1i \u01b0u h\u00f3a.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh ph\u00f9 h\u1ee3p. Ch\u1ecdn \u0111\u00fang \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft h\u1ee3p t\u1ed1t gi\u1eefa ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u01b0\u1edbc t\u1ec7p tin. V\u00ed d\u1ee5, s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng JPEG cho h\u00ecnh \u1ea3nh c\u00f3 m\u00e0u s\u1eafc ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ecbnh d\u1ea1ng PNG cho h\u00ecnh \u1ea3nh <\/li>\n\n\n\n<li>T\u1ed1i \u01b0u k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh. \u0110i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh sao cho ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc hi\u1ec3n th\u1ecb tr\u00ean trang web. Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n c\u1ea7n thi\u1ebft v\u00e0 sau \u0111\u00f3 thu nh\u1ecf b\u1eb1ng CSS. S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ch\u1ec9nh k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh tr\u01b0\u1edbc khi t\u1ea3i l\u00ean trang web.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng lazy loading. \u00c1p d\u1ee5ng k\u1ef9 thu\u1eadt lazy loading \u0111\u1ec3 t\u1ea3i h\u00ecnh \u1ea3nh ch\u1ec9 khi n\u00f3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y b\u1edfi ng\u01b0\u1eddi d\u00f9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian t\u1ea3i trang ban \u0111\u1ea7u v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n JavaScript nh\u01b0 LazyLoad ho\u1eb7c Intersection Observer \u0111\u1ec3 tri\u1ec3n khai k\u1ef9 thu\u1eadt n\u00e0y.<\/li>\n\n\n\n<li>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng WebP. \u0110\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh WebP c\u00f3 kh\u1ea3 n\u0103ng n\u00e9n t\u1ed1t v\u00e0 h\u1ed7 tr\u1ee3 t\u1ed1t tr\u00ean c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Xem_xet_su_dung_HTTP2\">Xem x\u00e9t s\u1eed d\u1ee5ng HTTP\/2:<\/span><\/h2>\n\n\n\n<p>S\u1eed d\u1ee5ng HTTP\/2 l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch v\u00e0 y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng HTTP\/2:<\/p>\n\n\n\n<ol>\n<li>Multiplexing. HTTP\/2 s\u1eed d\u1ee5ng multiplexing, cho ph\u00e9p g\u1eedi \u0111\u1ed3ng th\u1eddi nhi\u1ec1u y\u00eau c\u1ea7u, ph\u1ea3n h\u1ed3i tr\u00ean m\u1ed9t k\u1ebft n\u1ed1i \u0111\u01a1n. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng &#8220;th\u1ee9 t\u1ef1 ch\u1edd&#8221; (head-of-line blocking) v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web. V\u1edbi HTTP\/1, m\u1ed7i y\u00eau c\u1ea7u c\u1ea7n m\u1edf m\u1ed9t k\u1ebft n\u1ed1i ri\u00eang bi\u1ec7t, d\u1eabn \u0111\u1ebfn s\u1ef1 tr\u1ec5 tr\u00ean c\u00e1c k\u1ebft n\u1ed1i song song.<\/li>\n\n\n\n<li>N\u00e9n ti\u00eau \u0111\u1ec1 (Header Compression). HTTP\/2 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt n\u00e9n ti\u00eau \u0111\u1ec1, gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u00e1c tr\u01b0\u1eddng ti\u00eau \u0111\u1ec1 \u0111\u01b0\u1ee3c g\u1eedi qua m\u1ea1ng. \u0110i\u1ec1u n\u00e0y gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n\n\n\n<li>Server Push: HTTP\/2 h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng server push. Cho ph\u00e9p m\u00e1y ch\u1ee7 g\u1eedi d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u tr\u01b0\u1edbc b\u1edfi tr\u00ecnh duy\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ea3i tr\u01b0\u1edbc t\u00e0i nguy\u00ean c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3n th\u1ecb trang web v\u00e0 gi\u1ea3m th\u1eddi gian <\/li>\n\n\n\n<li>Prioritization: HTTP\/2 cho ph\u00e9p x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean c\u1ee7a c\u00e1c y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i. \u0110i\u1ec1u n\u00e0y gi\u00fap qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c y\u00eau c\u1ea7u quan tr\u1ecdng \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc.<\/li>\n\n\n\n<li>Persistent Connection: Trong HTTP\/1, m\u1ed7i y\u00eau c\u1ea7u c\u1ea7n thi\u1ebft l\u1eadp. V\u00e0 \u0111\u00f3ng k\u1ebft n\u1ed1i ri\u00eang bi\u1ec7t, g\u00e2y t\u1ed1n th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean HTTP\/2 s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i li\u00ean t\u1ee5c. (Persistent connection), gi\u00fap gi\u1ea3m th\u1eddi gian thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 TLS: M\u1eb7c \u0111\u1ecbnh, HTTP\/2 y\u00eau c\u1ea7u s\u1eed d\u1ee5ng giao th\u1ee9c b\u1ea3o m\u1eadt TLS (HTTPS). Vi\u1ec7c s\u1eed d\u1ee5ng HTTPS kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt, m\u00e0 c\u00f2n gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 trang web. <\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Kiem_tra_va_cai_thien_thoi_gian_phan_hoi_may_chu\">Ki\u1ec3m tra v\u00e0 c\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i m\u00e1y ch\u1ee7:<\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 ki\u1ec3m tra v\u00e0 c\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, c\u00f3 m\u1ed9t s\u1ed1 b\u01b0\u1edbc:<\/p>\n\n\n\n<ol>\n<li>S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 trang web. C\u00f3 nhi\u1ec1u c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn mi\u1ec5n ph\u00ed nh\u01b0 Google PageSpeed Insights, GTmetrix. Pingdom Tools gi\u00fap b\u1ea1n ki\u1ec3m tra th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u1ea3i ti\u1ebfn. C\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p th\u00f4ng tin v\u1ec1 th\u1eddi gian t\u1ea3i trang, k\u00edch th\u01b0\u1edbc t\u1ea3i trang. S\u1ed1 y\u00eau c\u1ea7u HTTP v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 t\u01b0\u01a1ng t\u1ef1.<\/li>\n\n\n\n<li>Gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd m\u00e1y ch\u1ee7. \u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u00e0 kh\u00f4ng g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u00e0i nguy\u00ean. Ki\u1ec3m tra c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7, kh\u1ea3 n\u0103ng x\u1eed l\u00fd v\u00e0 b\u1ed9 nh\u1edb, t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 n\u1ebfu c\u1ea7n thi\u1ebft. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 nh\u01b0 New Relic, AppDynamics \u0111\u1ec3 gi\u00e1m s\u00e1t, ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache v\u00e0 CDN: S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache tr\u00ean m\u00e1y ch\u1ee7 \u0111\u1ec3 l\u01b0u tr\u1eef. C\u00e1c phi\u00ean b\u1ea3n t\u0129nh c\u1ee7a trang web, gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd m\u00e1y ch\u1ee7. C\u00e0i \u0111\u1eb7t CDN (Content Delivery Network) \u0111\u1ec3 ph\u00e2n ph\u1ed1i n\u1ed9i dung trang web tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 ph\u00e2n t\u00e1n.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u: Ki\u1ec3m tra v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. T\u1ed1i \u01b0u c\u00e2u truy v\u1ea5n, lo\u1ea1i b\u1ecf c\u00e1c c\u00e2u truy v\u1ea5n kh\u00f4ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 gi\u1ea3m th\u1eddi gian truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt n\u00e9n v\u00e0 caching tr\u00ean m\u00e1y ch\u1ee7. K\u00edch ho\u1ea1t n\u00e9n GZIP tr\u00ean m\u00e1y ch\u1ee7 \u0111\u1ec3 n\u00e9n c\u00e1c t\u1ec7p tin tr\u01b0\u1edbc khi g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t. S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache tr\u00ean m\u00e1y ch\u1ee7 \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c phi\u00ean b\u1ea3n t\u0129nh c\u1ee7a trang web, t\u00e0i nguy\u00ean.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Su_dung_may_chu_web_hieu_qua\">S\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 web hi\u1ec7u qu\u1ea3:<\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 web hi\u1ec7u qu\u1ea3, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd, ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a:<\/p>\n\n\n\n<ol>\n<li>S\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 web ph\u00f9 h\u1ee3p. L\u1ef1a ch\u1ecdn m\u1ed9t m\u00e1y ch\u1ee7 web t\u1ed1i \u01b0u, ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u v\u00e0 m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n. C\u00f3 nhi\u1ec1u m\u00e1y ch\u1ee7 web ph\u1ed5 bi\u1ebfn nh\u01b0 Apache, Nginx v\u00e0 Microsoft IIS. Nghi\u00ean c\u1ee9u v\u00e0 so s\u00e1nh c\u00e1c t\u00ednh n\u0103ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a t\u1eebng m\u00e1y ch\u1ee7 \u0111\u1ec3 ch\u1ecdn l\u1ef1a ph\u00f9 h\u1ee3p.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 web. C\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 web sao cho ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. \u0110i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t nh\u01b0 s\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi, k\u00edch th\u01b0\u1edbc b\u1ed9 \u0111\u1ec7m.<\/li>\n\n\n\n<li>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache: S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache \u0111\u1ec3 l\u01b0u tr\u1eef. C\u00e1c phi\u00ean b\u1ea3n t\u0129nh c\u1ee7a trang web v\u00e0 t\u00e0i nguy\u00ean nh\u01b0 h\u00ecnh \u1ea3nh, t\u1ec7p tin CSS v\u00e0 JavaScript. Vi\u1ec7c s\u1eed d\u1ee5ng cache gi\u00fap gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd m\u00e1y ch\u1ee7 v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF). \u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web.<\/li>\n\n\n\n<li>Theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t. Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t nh\u01b0 New Relic, AppDynamics, Google Analytics \u0111\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 web. Theo d\u00f5i th\u00f4ng s\u1ed1 nh\u01b0 th\u1eddi gian ph\u1ea3n h\u1ed3i, t\u1ea3i tr\u1ecdng, t\u00e0i nguy\u00ean s\u1eed d\u1ee5ng. V\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 hi\u1ec7u su\u1ea5t.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean tr\u00ean m\u00e1y ch\u1ee7. T\u1ed1i \u01b0u h\u00f3a c\u1ea5u h\u00ecnh v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Lo\u1ea1i b\u1ecf c\u00e1c t\u00e1c v\u1ee5 kh\u00f4ng c\u1ea7n thi\u1ebft<\/li>\n<\/ol>\n\n\n\n<p>Xem th\u00eam: <a href=\"https:\/\/idconline.vn\/blog\/cac-loi-ich-vps-server-cho-trang-web-so-cloud-hosting.html\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1c l\u1ee3i \u00edch VPS server<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Toi_uu_hoa_ma_nguon\">T\u1ed1i \u01b0u h\u00f3a m\u00e3 ngu\u1ed3n:<\/span><\/h2>\n\n\n\n<p> L\u00e0 m\u1ed9t quy tr\u00ecnh \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00e3 ngu\u1ed3n c\u1ee7a \u1ee9ng d\u1ee5ng ho\u1eb7c trang web.<\/p>\n\n\n\n<ol>\n<li>R\u00fat ng\u1eafn v\u00e0 t\u1ed1i gi\u1ea3n m\u00e3: Lo\u1ea1i b\u1ecf m\u00e3 kh\u00f4ng c\u1ea7n thi\u1ebft, m\u00e3 tr\u00f9ng l\u1eb7p v\u00e0 m\u00e3 kh\u00f4ng s\u1eed d\u1ee5ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc m\u00e3 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ea3i trang.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng bi\u1ebfn c\u1ee5c b\u1ed9 v\u00e0 h\u1eb1ng s\u1ed1: S\u1eed d\u1ee5ng bi\u1ebfn c\u1ee5c b\u1ed9. V\u00e0 h\u1eb1ng s\u1ed1 trong m\u00e3 \u0111\u1ec3 tr\u00e1nh vi\u1ec7c truy c\u1eadp v\u00e0 t\u00ednh to\u00e1n l\u1ea1i gi\u00e1 tr\u1ecb nhi\u1ec1u l\u1ea7n. Vi\u1ec7c n\u00e0y gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 th\u1ef1c thi m\u00e3.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a v\u00f2ng l\u1eb7p. \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c v\u00f2ng l\u1eb7p \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u v\u00e0 kh\u00f4ng g\u00e2y t\u1ed1n th\u1eddi gian x\u1eed l\u00fd qu\u00e1 m\u1ee9c. H\u1ea1n ch\u1ebf s\u1ed1 l\u1ea7n truy c\u1eadp v\u00e0o c\u00e1c ph\u1ea7n t\u1eed m\u1ea3ng ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng b\u00ean trong v\u00f2ng l\u1eb7p.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u: Ki\u1ec3m tra, c\u1ea3i thi\u1ec7n c\u00e1c c\u00e2u truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u. S\u1eed d\u1ee5ng ch\u1ec9 m\u1ee5c, t\u1ed1i \u01b0u h\u00f3a c\u00e2u truy v\u1ea5n, v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c c\u00e2u truy v\u1ea5n kh\u00f4ng hi\u1ec7u qu\u1ea3. \u0110\u1ec3 gi\u1ea3m th\u1eddi gian truy v\u1ea5n v\u00e0 t\u1ea3i tr\u1ecdng c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a \u1ea3nh. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e9n \u1ea3nh v\u00e0 \u0111\u1ecbnh d\u1ea1ng h\u1ee3p l\u00fd \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p tin \u1ea3nh. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian t\u1ea3i trang v\u00e0 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache. S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb cache \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c phi\u00ean b\u1ea3n t\u0129nh c\u1ee7a trang web v\u00e0 t\u00e0i nguy\u00ean. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd m\u00e1y ch\u1ee7 v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a m\u00e3 JavaScript v\u00e0 CSS. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u1ed1i \u01b0u h\u00f3a m\u00e3 JavaScript, CSS \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p tin, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ea3i trang.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Theo_doi_va_giam_sat\">Theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t:<\/span><\/h2>\n\n\n\n<p>L\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a \u1ee9ng d\u1ee5ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kh\u00eda c\u1ea1nh li\u00ean quan \u0111\u1ebfn vi\u1ec7c theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t:<\/p>\n\n\n\n<ol>\n<li>Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t nh\u01b0. New Relic, AppDynamics, ho\u1eb7c Prometheus \u0111\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ch\u1ee7. Theo d\u00f5i th\u00f4ng s\u1ed1 nh\u01b0 t\u1ea3i CPU, b\u1ed9 nh\u1edb s\u1eed d\u1ee5ng, t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd, v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i \u0111\u1ec3 ph\u00e1t hi\u1ec7n.<\/li>\n\n\n\n<li>Theo d\u00f5i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 nh\u01b0 Nagios, Zabbix, ho\u1eb7c PRTG \u0111\u1ec3 theo d\u00f5i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng. Theo d\u00f5i th\u00f4ng s\u1ed1 nh\u01b0 s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u HTTP, b\u0103ng th\u00f4ng \u0111\u1ebfn\/\u0111i. V\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 m\u1ea1ng kh\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1 qu\u00e1 t\u1ea3i.<\/li>\n\n\n\n<li>Theo d\u00f5i c\u01a1 s\u1edf d\u1eef li\u1ec7u. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0 MySQL Enterprise Monitor, pg_stat_monitor (PostgreSQL). SQL Server Profiler (Microsoft SQL Server) \u0111\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t v\u00e0 t\u00ecnh tr\u1ea1ng c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u. Theo d\u00f5i s\u1ed1 l\u01b0\u1ee3ng truy v\u1ea5n, th\u1eddi gian th\u1ef1c hi\u1ec7n truy v\u1ea5n, t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i.<\/li>\n\n\n\n<li>Theo d\u00f5i l\u1ed7i v\u00e0 ghi nh\u1eadt k\u00fd (log). X\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng ghi nh\u1eadt k\u00fd ch\u1eb7t ch\u1ebd \u0111\u1ec3 ghi l\u1ea1i c\u00e1c l\u1ed7i, c\u1ea3nh b\u00e1o, th\u00f4ng tin quan tr\u1ecdng t\u1eeb \u1ee9ng d\u1ee5ng. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 nh\u01b0 ELK Stack ho\u1eb7c Splunk \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch log. <\/li>\n\n\n\n<li>Theo d\u00f5i tr\u1ea1ng th\u00e1i v\u00e0 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i v\u00e0 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng nh\u01b0 Nagios, Zabbix. Pingdom \u0111\u1ec3 theo d\u00f5i tr\u1ea1ng th\u00e1i kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng. Theo d\u00f5i c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u01b0 tr\u1ea1ng<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Cap_nhat_va_bao_mat\">C\u1eadp nh\u1eadt v\u00e0 b\u1ea3o m\u1eadt<\/span><\/h2>\n\n\n\n<p>L\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, cu\u1ed9c t\u1ea5n c\u00f4ng. <\/p>\n\n\n\n<ol>\n<li>C\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 ph\u1ea7n m\u1ec1m. \u0110\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n m\u1ec1m trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt l\u00ean phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t. C\u00e1c b\u1ea3n v\u00e1 l\u1ed7i, c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt th\u01b0\u1eddng ch\u1ee9a c\u00e1c b\u1ea3n v\u00e1 cho c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/li>\n\n\n\n<li>C\u1eadp nh\u1eadt c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 framework: \u0110\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n, framework b\u00ean th\u1ee9 ba. Quan tr\u1ecdng \u0111\u1ec3 c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t \u0111\u1ec3 s\u1eeda c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u00e3 bi\u1ebft. \u0110\u1ea3m b\u1ea3o theo d\u00f5i c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean c\u00e1c phi\u00ean b\u1ea3n m\u1edbi c\u1ee7a c\u00e1c th\u01b0 vi\u1ec7n, framework m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng.<\/li>\n\n\n\n<li>Qu\u1ea3n l\u00fd c\u1ea5p ph\u00e1t m\u00e3. Ki\u1ec3m tra c\u00e1c m\u00e3 ngu\u1ed3n m\u1edf, th\u01b0 vi\u1ec7n plugin b\u00ean th\u1ee9 ba m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng trong d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh. \u0110\u1ea3m b\u1ea3o r\u1eb1ng phi\u00ean b\u1ea3n s\u1eed d\u1ee5ng kh\u00f4ng c\u00f3 l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u00e3 bi\u1ebft r\u1eb1ng nh\u1eefng phi\u00ean b\u1ea3n c\u00f3 s\u1eb5n \u0111\u00e3 \u0111\u01b0\u1ee3c v\u00e1 l\u1ed7i.<\/li>\n\n\n\n<li>Qu\u1ea3n l\u00fd danh s\u00e1ch \u0111i\u1ec3m s\u1eeda l\u1ed7i b\u1ea3o m\u1eadt (CVE). Theo d\u00f5i c\u00e1c CVE  c\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1c ph\u1ea7n m\u1ec1m v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng. <\/li>\n\n\n\n<li>B\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web: X\u00e1c th\u1ef1c v\u00e0 qu\u1ea3n l\u00fd phi\u00ean, ki\u1ec3m tra \u0111\u1ea7u v\u00e0o, gi\u1edbi h\u1ea1n quy\u1ec1n truy c\u1eadp. V\u00e0 s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nh\u01b0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u, b\u1ed9 l\u1ecdc \u0111\u1ea7u v\u00e0o. \u0110\u1ec3 b\u1ea3o v\u1ec7 \u1ee9ng d\u1ee5ng web kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn nh\u01b0 SQL injection, cross-site scripting, cross-site request forgery<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda v\u00e0 gi\u00e1m s\u00e1t m\u1ea1ng. S\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda m\u1ea1ng \u0111\u1ec3 ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp t\u1eeb b\u00ean ngo\u00e0i v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Toi_uu_hoa_DNS\">T\u1ed1i \u01b0u h\u00f3a DNS:<\/span><\/h2>\n\n\n\n<p>L\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t, \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng DNS.<\/p>\n\n\n\n<ol>\n<li>S\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 DNS nhanh: Ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS nhanh v\u00e0 \u0111\u00e1ng tin c\u1eady. C\u00f3 nhi\u1ec1u d\u1ecbch v\u1ee5 DNS c\u00f4ng c\u1ed9ng ph\u1ed5 bi\u1ebfn nh\u01b0 Google DNS, OpenDNS v\u00e0 Cloudflare DNS. Ki\u1ec3m tra v\u00e0 so s\u00e1nh th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p DNS \u0111\u1ec3 ch\u1ecdn nh\u00e0 cung c\u1ea5p t\u1ed1t nh\u1ea5t.<\/li>\n\n\n\n<li>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng DNS caching. S\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 DNS caching \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c b\u1ea3n ghi DNS \u0111\u00e3 \u0111\u01b0\u1ee3c truy v\u1ea5n tr\u01b0\u1edbc \u0111\u00f3. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian truy v\u1ea5n DNS cho c\u00e1c truy v\u1ea5n ti\u1ebfp theo t\u1eeb c\u00f9ng m\u1ed9t m\u00e1y kh\u00e1ch ho\u1eb7c m\u1ea1ng.<\/li>\n\n\n\n<li>\u0110i\u1ec1u ch\u1ec9nh th\u1eddi gian s\u1ed1ng (TTL). Th\u1eddi gian s\u1ed1ng (TTL) quy \u0111\u1ecbnh th\u1eddi gian m\u00e0 m\u1ed9t b\u1ea3n ghi DNS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb cache. \u0110i\u1ec1u ch\u1ec9nh TTL cho ph\u00f9 h\u1ee3p, v\u1eeba \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng tin DNS \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u00fang m\u1ee9c. Nh\u01b0ng c\u0169ng kh\u00f4ng qu\u00e1 l\u1edbn \u0111\u1ec3 tr\u00e1nh vi\u1ec7c gi\u1eef c\u00e1c th\u00f4ng tin kh\u00f4ng c\u00f2n h\u1ee3p l\u1ec7 trong b\u1ed9 nh\u1edb cache.<\/li>\n\n\n\n<li>Gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng truy v\u1ea5n DNS. Xem x\u00e9t s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt nh\u01b0 DNS prefetching \u0111\u1ec3 tr\u01b0\u1edbc \u0111o\u00e1n c\u00e1c truy v\u1ea5n DNS c\u1ea7n thi\u1ebft n\u1ea1p tr\u01b0\u1edbc th\u00f4ng tin DNS t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian truy v\u1ea5n DNS trong qu\u00e1 tr\u00ecnh t\u1ea3i trang.<\/li>\n\n\n\n<li>X\u1eed l\u00fd l\u1ed7i DNS nhanh ch\u00f3ng. \u0110\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng DNS \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang v\u00e0 chu\u1ea9n b\u1ecb s\u1eb5n s\u00e0ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c l\u1ed7i DNS. <\/li>\n\n\n\n<li>X\u00e1c minh t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u DN. \u0110\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u DNS \u0111\u01b0\u1ee3c duy tr\u00ec v\u00e0 ph\u00e2n ph\u1ed1i m\u1ed9t c\u00e1ch to\u00e0n v\u1eb9n v\u00e0 kh\u00f4ng b\u1ecb x\u00e2m ph\u1ea1m.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"MuanbspVPS_servernbspchat_luong_tainbspIDC_Online\"><strong>Mua&nbsp;<a href=\"https:\/\/idconline.vn\/vps-basic\" target=\"_blank\" rel=\"noreferrer noopener\">VPS server<\/a>&nbsp;ch\u1ea5t l\u01b0\u1ee3ng t\u1ea1i&nbsp;<\/strong>IDC Online<\/span><\/h2>\n\n\n\n<p>\u0111\u1ec3 s\u1eed d\u1ee5ng VPS hi\u1ec7u qu\u1ea3. B\u1ea1n c\u1ea7n c\u00f3 m\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt v\u00e0 kinh nghi\u1ec7m trong vi\u1ec7c qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7. N\u1ebfu b\u1ea1n kh\u00f4ng t\u1ef1 tin v\u1ec1 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd m\u1ed9t VPS. B\u1ea1n c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd VPS c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00f3.<\/p>\n\n\n\n<p>Hi\u1ec7n t\u1ea1i IDC Online \u0111ang cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5&nbsp;<a href=\"https:\/\/idconline.vn\/cloud-vps\" target=\"_blank\" rel=\"noreferrer noopener\">Cloud VPS<\/a>&nbsp;v\u00e0&nbsp;<a href=\"https:\/\/idconline.vn\/cloud-server\">Cloud Server<\/a>&nbsp;v\u1edbi c\u00e1c t\u00ednh n\u0103ng \u01b0u vi\u1ec7t. V\u01b0\u1ee3t tr\u1ed9i nh\u01b0 m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng m\u1edbi cho gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef web. V\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 web c\u00f3 th\u1ec3 uptime 99,99% th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng. V\u1edbi h\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng \u0111\u1ea7y \u0111\u1ee7 v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao. Kh\u00f4ng gi\u1ed1ng nh\u01b0 l\u01b0u tr\u1eef website truy\u1ec1n th\u1ed1ng v\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 duy nh\u1ea5t<\/p>\n\n\n\n<p>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y c\u1ee7a IDC \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i cao. Trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd tr\u00ean h\u1ec7 th\u1ed1ng x\u1ea3y ra s\u1ef1 c\u1ed1 v\u1ec1 ph\u1ea7n c\u1ee9ng. Th\u00ec s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd kh\u00e1c ngay t\u1ee9c th\u00ec. \u0110\u1eb7c bi\u1ec7t v\u1edbi h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1eadp trung Cloud Storage gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian b\u1ea3o tr\u00ec. Kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef l\u00ean \u0111\u1ebfn h\u01a1n 1000 TB. Tham kh\u1ea3o th\u00eam v\u1ec1 Cloud VPS v\u00e0 Cloud Server t\u1ea1i \u0111\u00e2y:&nbsp;<a href=\"https:\/\/idconline.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/idconline.vn<\/a><\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 b\u00e0i gi\u1edbi thi\u1ec7u VPS l\u00e0 g\u00ec v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u1ea7n l\u01b0u \u00fd n\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam c\u00e1c d\u1ecbch v\u1ee5. V\u00e0 b\u1ea3ng gi\u00e1 \u1edf IDC c\u00f3 th\u1ec3 tham kh\u1ea3o \u1edf trang ch\u1ee7&nbsp;<a href=\"https:\/\/idconline.vn\/\">https:\/\/idconline.vn\/<\/a><\/p>\n\n\n\n<p>Ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c s\u1eed d\u1ee5ng thu\u00ea m\u00e1y ch\u1ee7 VPS Server l\u00e0 gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u cho nhu c\u1ea7u x\u1eed l\u00fd l\u01b0u tr\u1eef Web. V\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 l\u00e0m sao \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web c\u1ee7a b\u1ea1n b\u1eb1ng VPS server. V\u1edbi b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y,&nbsp;IDC s\u1ebd chia s\u1ebb c\u00e1c c\u00e1ch c\u00e1ch t\u0103ng t\u1ed1c \u0111\u1ed9 trang web [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":9979,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[46,37,66,81,41,12,90,28,83,70,67,47],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch t\u0103ng t\u1ed1c \u0111\u1ed9 trang web c\u1ee7a b\u1ea1n b\u1eb1ng VPS server - IDC Online<\/title>\n<meta name=\"description\" content=\"Vi\u1ec7c s\u1eed d\u1ee5ng thu\u00ea m\u00e1y ch\u1ee7 VPS Server l\u00e0 gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u cho nhu c\u1ea7u x\u1eed l\u00fd l\u01b0u tr\u1eef Web. 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