{"id":159,"date":"2025-05-29T16:08:18","date_gmt":"2025-05-29T09:08:18","guid":{"rendered":"https:\/\/uynghi.com\/?p=159"},"modified":"2025-05-30T13:43:03","modified_gmt":"2025-05-30T06:43:03","slug":"bandwidth-la-gi-anh-huong-toi-toc-do-website-the-nao","status":"publish","type":"post","link":"https:\/\/uynghi.com\/bandwidth-la-gi-anh-huong-toi-toc-do-website-the-nao\/","title":{"rendered":"Bandwidth l\u00e0 g\u00ec? \u1ea2nh h\u01b0\u1edfng t\u1edbi t\u1ed1c \u0111\u1ed9 Website th\u1ebf n\u00e0o?"},"content":{"rendered":"\n<p>Khi n\u00f3i v\u1ec1 m\u1ea1ng m\u00e1y t\u00ednh hay Internet, thu\u1eadt ng\u1eef Bandwidth xu\u1ea5t hi\u1ec7n r\u1ea5t th\u01b0\u1eddng xuy\u00ean. Nh\u01b0ng b\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi Bandwidth l\u00e0 g\u00ec v\u00e0 c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng ch\u01b0a? H\u00e3y h\u00ecnh dung Bandwidth nh\u01b0 k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t &#8220;\u1ed1ng d\u1eabn d\u1eef li\u1ec7u&#8221;. \u1ed0ng c\u00e0ng l\u1edbn, c\u00e0ng nhi\u1ec1u d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111i qua trong c\u00f9ng m\u1ed9t l\u00fac, \u0111\u1ed3ng ngh\u0129a v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i c\u00e0ng nhanh.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u h\u01a1n v\u00e0o \u0111\u1ecbnh ngh\u0129a, \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a Bandwidth trong c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"1-bandwidth-la-gi\"><strong>1.&nbsp;Bandwidth l\u00e0 g\u00ec?<\/strong><\/h4>\n\n\n\n<p>B\u0103ng th\u00f4ng (ti\u1ebfng Anh l\u00e0 bandwidth) l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef k\u1ef9 thu\u1eadt d\u00f9ng \u0111\u1ec3 ch\u1ec9 l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u1ed1i \u0111a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i qua m\u1ed9t k\u1ebft n\u1ed1i m\u1ea1ng ho\u1eb7c m\u1ed9t k\u00eanh truy\u1ec1n th\u00f4ng trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng gi\u00e2y.<\/p>\n\n\n\n<p>C\u00f3 th\u1ec3 h\u00ecnh dung b\u0103ng th\u00f4ng nh\u01b0 \u0111\u1ed9 r\u1ed9ng c\u1ee7a m\u1ed9t con \u0111\u01b0\u1eddng ho\u1eb7c \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a m\u1ed9t \u1ed1ng n\u01b0\u1edbc: con \u0111\u01b0\u1eddng c\u00e0ng r\u1ed9ng ho\u1eb7c \u1ed1ng n\u01b0\u1edbc c\u00e0ng l\u1edbn th\u00ec l\u01b0\u1ee3ng xe c\u1ed9 ho\u1eb7c n\u01b0\u1edbc c\u00f3 th\u1ec3 l\u01b0u th\u00f4ng qua c\u00f9ng m\u1ed9t l\u00fac c\u00e0ng nhi\u1ec1u. T\u01b0\u01a1ng t\u1ef1, b\u0103ng th\u00f4ng c\u00e0ng l\u1edbn th\u00ec l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n \u0111i v\u00e0 nh\u1eadn v\u1ec1 \u0111\u1ed3ng th\u1eddi c\u00e0ng nhi\u1ec1u.&nbsp; &nbsp;<br><br>Trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 th\u00f4ng tin, b\u0103ng th\u00f4ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3u theo hai ng\u1eef c\u1ea3nh ch\u00ednh, \u0111\u1eb7c bi\u1ec7t khi li\u00ean quan \u0111\u1ebfn website:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u0103ng th\u00f4ng m\u1ea1ng m\u00e1y t\u00ednh (Network Bandwidth): \u0110\u00e2y l\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1i \u0111a c\u1ee7a m\u1ed9t k\u1ebft n\u1ed1i m\u1ea1ng, v\u00ed d\u1ee5 nh\u01b0 k\u1ebft n\u1ed1i Internet c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u c\u1ee7a m\u00e1y ch\u1ee7 web. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb bit tr\u00ean gi\u00e2y (bps) ho\u1eb7c c\u00e1c b\u1ed9i s\u1ed1 c\u1ee7a n\u00f3. Y\u1ebfu t\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 t\u1ea3i trang t\u1ee9c th\u1eddi m\u00e0 ng\u01b0\u1eddi d\u00f9ng tr\u1ea3i nghi\u1ec7m.<\/li>\n\n\n\n<li>B\u0103ng th\u00f4ng l\u01b0u tr\u1eef website\/web hosting (Website Bandwidth\/Hosting Bandwidth): \u0110\u00e2y l\u00e0 t\u1ed5ng dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e9p truy\u1ec1n t\u1ea3i (bao g\u1ed3m c\u1ea3 t\u1ea3i l\u00ean v\u00e0 t\u1ea3i xu\u1ed1ng) gi\u1eefa website v\u00e0 m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, th\u01b0\u1eddng l\u00e0 m\u1ed9t th\u00e1ng. C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web (web hosting) th\u01b0\u1eddng gi\u1edbi h\u1ea1n m\u1ee9c b\u0103ng th\u00f4ng n\u00e0y trong c\u00e1c g\u00f3i d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd. N\u1ebfu v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n n\u00e0y, website c\u00f3 th\u1ec3 b\u1ecb t\u1ea1m ng\u01b0ng ho\u1eb7c ch\u1ee7 s\u1edf h\u1eefu website ph\u1ea3i tr\u1ea3 th\u00eam ph\u00ed.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-cac-don-vi-do-luong-bandwidth\"><strong>2. C\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng&nbsp;Bandwidth?<\/strong><\/h4>\n\n\n\n<p>B\u0103ng th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng bit tr\u00ean gi\u00e2y (bps). Tuy nhi\u00ean, do nhu c\u1ea7u truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng l\u1edbn, c\u00e1c \u0111\u01a1n v\u1ecb b\u1ed9i s\u1ed1 c\u1ee7a bps \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn h\u01a1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kilobit tr\u00ean gi\u00e2y (Kbps): 1 Kbps=1,000 bps<\/li>\n\n\n\n<li>Megabit tr\u00ean gi\u00e2y (Mbps): 1 Mbps=1,000 Kbps=1,000,000 bps<\/li>\n\n\n\n<li>Gigabit tr\u00ean gi\u00e2y (Gbps): 1 Gbps=1,000 Mbps=1,000,000,000 bps<\/li>\n\n\n\n<li>Terabit tr\u00ean gi\u00e2y (Tbps): 1 Tbps=1,000 Gbps<\/li>\n<\/ul>\n\n\n\n<p>B\u0103ng th\u00f4ng \u0111\u00f4i khi \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Byte tr\u00ean gi\u00e2y (Bps), thay v\u00ec bit tr\u00ean gi\u00e2y (bps). \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ph\u00e2n bi\u1ec7t r\u00f5 gi\u1eefa bit (k\u00fd hi\u1ec7u l\u00e0 &#8216;b&#8217;) v\u00e0 Byte (k\u00fd hi\u1ec7u l\u00e0 &#8216;B&#8217;), b\u1edfi v\u00ec 1 Byte = 8 bit. Vi\u1ec7c nh\u1ea7m l\u1eabn gi\u1eefa hai \u0111\u01a1n v\u1ecb n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec3u sai v\u1ec1 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u. V\u00ed d\u1ee5, m\u1ed9t k\u1ebft n\u1ed1i 100 Mbps (Megabit\/gi\u00e2y) th\u1ef1c ch\u1ea5t ch\u1ec9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 12,5 MBps (Megabyte\/gi\u00e2y), v\u00ec 100 \u00f7 8 = 12,5.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"3-anh-huong-cua-bang-thong-toi-toc-do-tai-trang\"><strong>3.&nbsp;\u1ea2nh h\u01b0\u1edfng c\u1ee7a B\u0103ng th\u00f4ng t\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ea3i trang?<\/strong><\/h4>\n\n\n\n<p>M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi DebugBear cho th\u1ea5y vi\u1ec7c t\u1ea3i m\u1ed9t h\u00ecnh \u1ea3nh c\u00f3 dung l\u01b0\u1ee3ng 2MB tr\u00ean m\u1ed9t k\u1ebft n\u1ed1i m\u1ea1ng c\u00f3 b\u0103ng th\u00f4ng 3 Mbps m\u1ea5t h\u01a1n 6 gi\u00e2y \u0111\u1ec3 ho\u00e0n th\u00e0nh vi\u1ec7c t\u1ea3i xu\u1ed1ng. N\u1ebfu t\u00ednh to\u00e1n theo l\u00fd thuy\u1ebft (16 Mbits\/3 Mbps), th\u1eddi gian t\u1ea3i s\u1ebd v\u00e0o kho\u1ea3ng 5.33 gi\u00e2y. To\u00e0n b\u1ed9 trang web ch\u1ee9a h\u00ecnh \u1ea3nh n\u00e0y, k\u1ebft h\u1ee3p v\u1edbi th\u1eddi gian t\u1ea3i HTML v\u00e0 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 h\u00ecnh \u1ea3nh, m\u1ea5t t\u1ed5ng c\u1ed9ng kho\u1ea3ng 8 gi\u00e2y \u0111\u1ec3 t\u1ea3i ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n\n<p>\u0110\u1ec3 th\u1ea5y r\u00f5 h\u01a1n s\u1ef1 kh\u00e1c bi\u1ec7t, c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh th\u1eddi gian t\u1ea3i cho c\u00f9ng m\u1ed9t h\u00ecnh \u1ea3nh 2MB n\u00e0y v\u1edbi c\u00e1c m\u1ee9c b\u0103ng th\u00f4ng kh\u00e1c nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1edbi b\u0103ng th\u00f4ng 1 Mbps: Th\u1eddi gian t\u1ea3i l\u00fd thuy\u1ebft l\u00e0 16 gi\u00e2y (16 Mbits\/1 Mbps).<\/li>\n\n\n\n<li>Th\u1eddi gian th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 18-20 gi\u00e2y ho\u1eb7c h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 m\u1ea1ng. V\u1edbi b\u0103ng th\u00f4ng 10 Mbps: Th\u1eddi gian t\u1ea3i l\u00fd thuy\u1ebft l\u00e0 1.6 gi\u00e2y (16 Mbits\/10 Mbps). Th\u1eddi gian th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 kho\u1ea3ng 2 gi\u00e2y.<\/li>\n<\/ul>\n\n\n\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 th\u1eddi gian t\u1ea3i gi\u1eefa c\u00e1c m\u1ee9c b\u0103ng th\u00f4ng n\u00e0y cho th\u1ea5y t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c c\u00f3 \u0111\u1ee7 b\u0103ng th\u00f4ng, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c website ch\u1ee9a nhi\u1ec1u n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n.<\/p>\n\n\n\n<p>M\u1ed9t v\u00ed d\u1ee5 kh\u00e1c \u0111\u00f3 l\u00e0 m\u1ed9t nghi\u00ean c\u1ee9u b\u1edfi ResearchGate cung c\u1ea5p m\u1ed9t v\u00ed d\u1ee5 &#8211; Theo \u0111\u00f3, m\u1ed9t trang web c\u00f3 k\u00edch th\u01b0\u1edbc trung b\u00ecnh l\u00e0 2.3MB v\u00e0o n\u0103m 2016 s\u1ebd m\u1ea5t \u0111\u1ebfn 7 ph\u00fat \u0111\u1ec3 t\u1ea3i ho\u00e0n ch\u1ec9nh tr\u00ean m\u1ed9t k\u1ebft n\u1ed1i modem 56kbps.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 ngu\u1ed3n trong ng\u00e0nh c\u00f4ng nghi\u1ec7p web hosting \u0111\u00e3 \u0111\u01b0a ra nh\u1eefng tuy\u00ean b\u1ed1 v\u1ec1 l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c t\u0103ng b\u0103ng th\u00f4ng. V\u00ed d\u1ee5, Exabytes Singapore tr\u00edch d\u1eabn r\u1eb1ng &#8220;C\u00c1C NGHI\u00caN C\u1ee8U CHO TH\u1ea4Y V\u1edaI M\u1ed6I 10 MBPS B\u0102NG TH\u00d4NG T\u0102NG TH\u00caM, T\u1ed0C \u0110\u1ed8 WEBSITE S\u1ebc T\u0102NG 5%&#8221;<\/p>\n\n\n\n<p><strong>4. C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n&nbsp;Bandwidth cho website ph\u00f9 h\u1ee3p:<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>B\u0103ng th\u00f4ng h\u00e0ng th\u00e1ng (\u01b0\u1edbc t\u00ednh) = K\u00edch th\u01b0\u1edbc trang trung b\u00ecnh \u00d7 (S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi truy c\u1eadp trung b\u00ecnh h\u00e0ng th\u00e1ng \u00d7 S\u1ed1 l\u01b0\u1ee3t xem trang trung b\u00ecnh m\u1ed7i ng\u01b0\u1eddi truy c\u1eadp) \u00d7 H\u1ec7 s\u1ed1 d\u1ef1 ph\u00f2ng<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>Trong \u0111\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00edch th\u01b0\u1edbc trang trung b\u00ecnh: T\u00ednh b\u1eb1ng Megabytes (MB) ho\u1eb7c Gigabytes (GB). C\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh b\u1eb1ng c\u00e1ch ki\u1ec3m tra k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t v\u00e0i trang \u0111i\u1ec3n h\u00ecnh tr\u00ean website b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n tr\u00ecnh duy\u1ec7t.<\/li>\n\n\n\n<li>S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi truy c\u1eadp trung b\u00ecnh h\u00e0ng th\u00e1ng v\u00e0 S\u1ed1 l\u01b0\u1ee3t xem trang trung b\u00ecnh m\u1ed7i ng\u01b0\u1eddi truy c\u1eadp (ho\u1eb7c T\u1ed5ng s\u1ed1 l\u01b0\u1ee3t xem trang trung b\u00ecnh h\u00e0ng th\u00e1ng): C\u00e1c s\u1ed1 li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 l\u1ea5y t\u1eeb c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch website nh\u01b0 Google Analytics.<\/li>\n\n\n\n<li>H\u1ec7 s\u1ed1 d\u1ef1 ph\u00f2ng (Buffer): \u0110\u00e2y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi c\u00e1c \u0111\u1ee3t t\u0103ng \u0111\u1ed9t bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp (v\u00ed d\u1ee5, do m\u1ed9t b\u00e0i vi\u1ebft lan truy\u1ec1n, m\u1ed9t chi\u1ebfn d\u1ecbch marketing th\u00e0nh c\u00f4ng) ho\u1eb7c \u0111\u1ec3 chu\u1ea9n b\u1ecb cho s\u1ef1 t\u0103ng tr\u01b0\u1edfng t\u1ef1 nhi\u00ean c\u1ee7a website. H\u1ec7 s\u1ed1 n\u00e0y th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 20% \u0111\u1ebfn 50% ho\u1eb7c h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng d\u1ef1 ki\u1ebfn c\u1ee7a l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp.<\/li>\n<\/ul>\n\n\n\n<p><strong>V\u00ed d\u1ee5 minh h\u1ecda:<\/strong><\/p>\n\n\n\n<p>Gi\u1ea3 s\u1eed m\u1ed9t website c\u00f3 c\u00e1c th\u00f4ng s\u1ed1 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00edch th\u01b0\u1edbc trang trung b\u00ecnh: 1.5 MB<\/li>\n\n\n\n<li>S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi truy c\u1eadp trung b\u00ecnh h\u00e0ng th\u00e1ng: 30,000<\/li>\n\n\n\n<li>S\u1ed1 l\u01b0\u1ee3t xem trang trung b\u00ecnh m\u1ed7i ng\u01b0\u1eddi truy c\u1eadp: 4 trang\/ng\u01b0\u1eddi<\/li>\n\n\n\n<li>H\u1ec7 s\u1ed1 d\u1ef1 ph\u00f2ng mong mu\u1ed1n: 30% (t\u1ee9c l\u00e0 1.3)<\/li>\n<\/ul>\n\n\n\n<p>T\u00ednh to\u00e1n b\u0103ng th\u00f4ng c\u1ea7n thi\u1ebft:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ed5ng s\u1ed1 l\u01b0\u1ee3t xem trang h\u00e0ng th\u00e1ng: 30,000 ng\u01b0\u1eddi \u00d7 4 trang\/ng\u01b0\u1eddi=120,000 l\u01b0\u1ee3t xem trang<\/li>\n\n\n\n<li>B\u0103ng th\u00f4ng c\u01a1 b\u1ea3n c\u1ea7n thi\u1ebft (ch\u01b0a c\u00f3 d\u1ef1 ph\u00f2ng): 1.5 MB\/trang\u00d7120,000 l\u01b0\u1ee3t xem trang=180,000 MB<\/li>\n\n\n\n<li>\u0110\u1ed5i sang Gigabytes (GB): 180,000 MB\/1024 MB\/GB\u2248175.78 GB<\/li>\n\n\n\n<li>T\u1ed5ng b\u0103ng th\u00f4ng \u01b0\u1edbc t\u00ednh h\u00e0ng th\u00e1ng (bao g\u1ed3m d\u1ef1 ph\u00f2ng): 175.78 GB\u00d71.3 \u2248 228.51 GB<\/li>\n<\/ul>\n\n\n\n<p>Nh\u01b0 v\u1eady, website n\u00e0y n\u00ean c\u00e2n nh\u1eafc m\u1ed9t g\u00f3i hosting cung c\u1ea5p \u00edt nh\u1ea5t kho\u1ea3ng 230 GB b\u0103ng th\u00f4ng m\u1ed7i th\u00e1ng.<\/p>\n\n\n\n<p>V\u1edbi m\u1ed9t website c\u00f3 kho\u1ea3ng 1,000 l\u01b0\u1ee3t truy c\u1eadp m\u1ed7i th\u00e1ng v\u00e0 c\u1ea7n kho\u1ea3ng 9GB dung l\u01b0\u1ee3ng, vi\u1ec7c thu\u00ea m\u1ed9t hosting c\u00f3 b\u0103ng th\u00f4ng t\u1eeb 10 \u0111\u1ebfn 13 GB s\u1ebd tho\u1ea3i m\u00e1i v\u00e0 gi\u00fap \u0111\u1ec1 ph\u00f2ng c\u00e1c truy c\u1eadp \u0111\u1ed9t bi\u1ebfn.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"5-cac-giai-phap-ky-thuat-giup-giam-tieu-thu-bang-thong-va-tang-toc\"><strong>5. C\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt gi\u00fap gi\u1ea3m ti\u00eau th\u1ee5 b\u0103ng th\u00f4ng v\u00e0 t\u0103ng t\u1ed1c<\/strong><\/h4>\n\n\n\n<p>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh: \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t v\u00ec h\u00ecnh \u1ea3nh th\u01b0\u1eddng chi\u1ebfm ph\u1ea7n l\u1edbn dung l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t trang web. C\u00e1c k\u1ef9 thu\u1eadt bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e9n h\u00ecnh \u1ea3nh: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p h\u00ecnh \u1ea3nh m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb. Vi\u1ec7c n\u00e9n h\u00ecnh \u1ea3nh c\u00f3 th\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p l\u00ean \u0111\u1ebfn 70% ho\u1eb7c h\u01a1n.<\/li>\n\n\n\n<li>N\u00e9n d\u1eef li\u1ec7u (Data Compression): S\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n n\u00e9n nh\u01b0 Gzip ho\u1eb7c Brotli \u0111\u1ec3 n\u00e9n c\u00e1c t\u1ec7p v\u0103n b\u1ea3n (HTML, CSS, JavaScript) tr\u01b0\u1edbc khi ch\u00fang \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb m\u00e1y ch\u1ee7 \u0111\u1ebfn tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN &#8211; Content Delivery Network): CDN l\u00e0 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nhi\u1ec1u v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd tr\u00ean to\u00e0n c\u1ea7u. N\u00f3 l\u01b0u tr\u1eef c\u00e1c b\u1ea3n sao (cache) c\u1ee7a c\u00e1c t\u00e0i nguy\u00ean t\u0129nh tr\u00ean website c\u1ee7a b\u1ea1n (nh\u01b0 h\u00ecnh \u1ea3nh, CSS, JavaScript). Khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp website, CDN s\u1ebd ph\u1ee5c v\u1ee5 c\u00e1c t\u00e0i nguy\u00ean n\u00e0y t\u1eeb m\u00e1y ch\u1ee7 g\u1ea7n nh\u1ea5t v\u1edbi v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a h\u1ecd.<\/li>\n\n\n\n<li>Caching (B\u1ed9 nh\u1edb \u0111\u1ec7m):\n<ul class=\"wp-block-list\">\n<li>B\u1ed9 nh\u1edb \u0111\u1ec7m tr\u00ecnh duy\u1ec7t (Browser Caching): Cho ph\u00e9p tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng l\u01b0u tr\u1eef c\u00e1c t\u00e0i nguy\u00ean t\u0129nh c\u1ee7a website (h\u00ecnh \u1ea3nh, CSS, JS) tr\u00ean m\u00e1y t\u00ednh c\u1ee5c b\u1ed9 sau l\u1ea7n truy c\u1eadp \u0111\u1ea7u ti\u00ean. Trong c\u00e1c l\u1ea7n truy c\u1eadp ti\u1ebfp theo, tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean n\u00e0y t\u1eeb b\u1ed9 nh\u1edb \u0111\u1ec7m thay v\u00ec ph\u1ea3i t\u1ea3i l\u1ea1i t\u1eeb m\u00e1y ch\u1ee7, gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang \u0111\u00e1ng k\u1ec3 v\u00e0 gi\u1ea3m s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng.<\/li>\n\n\n\n<li>B\u1ed9 nh\u1edb \u0111\u1ec7m ph\u00eda m\u00e1y ch\u1ee7 (Server-side Caching): L\u01b0u tr\u1eef c\u00e1c phi\u00ean b\u1ea3n HTML \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n c\u1ee7a c\u00e1c trang \u0111\u1ed9ng, gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a CSS v\u00e0 JavaScript:\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng CSS \u0111\u1ec3 t\u1ea1o hi\u1ec7u \u1ee9ng v\u00e0 b\u1ed1 c\u1ee5c thay v\u00ec d\u00f9ng h\u00ecnh \u1ea3nh khi c\u00f3 th\u1ec3.&nbsp; &nbsp;<\/li>\n\n\n\n<li>G\u1ed9p nhi\u1ec1u t\u1ec7p CSS ho\u1eb7c JavaScript th\u00e0nh m\u1ed9t t\u1ec7p duy nh\u1ea5t \u0111\u1ec3 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u HTTP.&nbsp; &nbsp;<\/li>\n\n\n\n<li>\u0110\u1eb7t c\u00e1c t\u1ec7p JavaScript \u1edf cu\u1ed1i trang (tr\u01b0\u1edbc th\u1ebb \u0111\u00f3ng &lt;\/body&gt;) ho\u1eb7c s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh async ho\u1eb7c defer \u0111\u1ec3 tr\u00e1nh vi\u1ec7c ch\u00fang ch\u1eb7n hi\u1ec3n th\u1ecb n\u1ed9i dung trang.&nbsp; &nbsp;<\/li>\n\n\n\n<li>Chuy\u1ec3n media ra kh\u1ecfi m\u00e1y ch\u1ee7 (Offload Media): \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ec7p media r\u1ea5t l\u1edbn nh\u01b0 video ho\u1eb7c c\u00e1c t\u1ec7p \u00e2m thanh d\u00e0i, c\u00e2n nh\u1eafc vi\u1ec7c l\u01b0u tr\u1eef ch\u00fang tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng chuy\u00ean d\u1ee5ng nh\u01b0 YouTube, Vimeo (cho video) ho\u1eb7c c\u00e1c d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y, sau \u0111\u00f3 nh\u00fang v\u00e0o website. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1ea3i b\u0103ng th\u00f4ng \u0111\u00e1ng k\u1ec3 cho m\u00e1y ch\u1ee7 hosting ch\u00ednh c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Khi n\u00f3i v\u1ec1 m\u1ea1ng m\u00e1y t\u00ednh hay Internet, thu\u1eadt ng\u1eef Bandwidth xu\u1ea5t hi\u1ec7n r\u1ea5t th\u01b0\u1eddng xuy\u00ean. Nh\u01b0ng b\u1ea1n \u0111\u00e3 bao [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":167,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thong-tin"],"views":458,"_links":{"self":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts\/159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/comments?post=159"}],"version-history":[{"count":7,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts\/159\/revisions"}],"predecessor-version":[{"id":169,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts\/159\/revisions\/169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/media\/167"}],"wp:attachment":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/media?parent=159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/categories?post=159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/tags?post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}