{"id":56189,"date":"2026-10-11T08:42:20","date_gmt":"2026-10-11T08:42:20","guid":{"rendered":"https:\/\/intage.com.vn\/?p=56189"},"modified":"2026-10-11T08:42:20","modified_gmt":"2026-10-11T08:42:20","slug":"thu-thap-du-lieu-quy-mo-lon-bang-data-scraping-va-web-crawling","status":"publish","type":"post","link":"https:\/\/intage.com.vn\/vi\/thu-thap-du-lieu-quy-mo-lon-bang-data-scraping-va-web-crawling\/","title":{"rendered":"Thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn b\u1eb1ng Data Scraping v\u00e0 Web Crawling"},"content":{"rendered":"

Thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn b\u1eb1ng Data Scraping v\u00e0 Web Crawling<\/h2>\n

Thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn l\u00e0 g\u00ec?<\/h2>\n

Thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn l\u00e0 qu\u00e1 tr\u00ecnh l\u1ea5y th\u00f4ng tin t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau tr\u00ean internet, h\u1ec7 th\u1ed1ng n\u1ed9i b\u1ed9 ho\u1eb7c n\u1ec1n t\u1ea3ng s\u1ed1 \u0111\u1ec3 ph\u1ee5c v\u1ee5 ph\u00e2n t\u00edch, nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng v\u00e0 ra quy\u1ebft \u0111\u1ecbnh kinh doanh. Khi d\u1eef li\u1ec7u tr\u1edf th\u00e0nh t\u00e0i s\u1ea3n quan tr\u1ecdng, doanh nghi\u1ec7p c\u1ea7n ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp c\u00f3 c\u1ea5u tr\u00fac, c\u00f3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u.<\/p>\n

Data Scraping v\u00e0 Web Crawling l\u00e0 hai k\u1ef9 thu\u1eadt th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn trong qu\u00e1 tr\u00ecnh n\u00e0y. Ch\u00fang gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c thu th\u1eadp th\u00f4ng tin, gi\u1ea3m th\u1eddi gian thao t\u00e1c th\u1ee7 c\u00f4ng v\u00e0 h\u1ed7 tr\u1ee3 theo d\u00f5i th\u1ecb tr\u01b0\u1eddng \u1edf quy m\u00f4 l\u1edbn h\u01a1n.<\/p>\n

Data Scraping l\u00e0 g\u00ec?<\/h2>\n

Data Scraping l\u00e0 k\u1ef9 thu\u1eadt tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 t\u1eeb website ho\u1eb7c t\u00e0i li\u1ec7u s\u1ed1, sau \u0111\u00f3 chuy\u1ec3n th\u00e0nh d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 ph\u00e2n t\u00edch. V\u00ed d\u1ee5, doanh nghi\u1ec7p c\u00f3 th\u1ec3 thu th\u1eadp gi\u00e1 b\u00e1n, m\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m, \u0111\u00e1nh gi\u00e1 kh\u00e1ch h\u00e0ng, th\u00f4ng tin khuy\u1ebfn m\u1ea1i ho\u1eb7c danh m\u1ee5c s\u1ea3n ph\u1ea9m t\u1eeb c\u00e1c ngu\u1ed3n c\u00f4ng khai.<\/p>\n

Gi\u00e1 tr\u1ecb c\u1ee7a Data Scraping kh\u00f4ng n\u1eb1m \u1edf vi\u1ec7c l\u1ea5y th\u1eadt nhi\u1ec1u d\u1eef li\u1ec7u, m\u00e0 \u1edf kh\u1ea3 n\u0103ng bi\u1ebfn d\u1eef li\u1ec7u r\u1eddi r\u1ea1c th\u00e0nh b\u1ea3ng th\u00f4ng tin c\u00f3 th\u1ec3 so s\u00e1nh. V\u00ec v\u1eady, b\u01b0\u1edbc l\u00e0m s\u1ea1ch, lo\u1ea1i b\u1ecf tr\u00f9ng l\u1eb7p, chu\u1ea9n h\u00f3a t\u00ean tr\u01b0\u1eddng v\u00e0 ki\u1ec3m tra ngu\u1ed3n l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

Web Crawling kh\u00e1c g\u00ec Data Scraping?<\/h2>\n

Web Crawling l\u00e0 qu\u00e1 tr\u00ecnh bot ho\u1eb7c crawler \u0111i qua nhi\u1ec1u trang, nhi\u1ec1u li\u00ean k\u1ebft \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 thu th\u1eadp th\u00f4ng tin \u1edf ph\u1ea1m vi r\u1ed9ng. N\u1ebfu Data Scraping th\u01b0\u1eddng t\u1eadp trung v\u00e0o d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 trong m\u1ed9t trang ho\u1eb7c nh\u00f3m trang, Web Crawling ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi vi\u1ec7c l\u1eadp b\u1ea3n \u0111\u1ed3 ngu\u1ed3n d\u1eef li\u1ec7u, theo d\u00f5i thay \u0111\u1ed5i v\u00e0 m\u1edf r\u1ed9ng ph\u1ea1m vi thu th\u1eadp.<\/p>\n

Trong th\u1ef1c t\u1ebf, hai k\u1ef9 thu\u1eadt n\u00e0y th\u01b0\u1eddng b\u1ed5 tr\u1ee3 cho nhau. Web Crawling gi\u00fap x\u00e1c \u0111\u1ecbnh ngu\u1ed3n v\u00e0 ph\u1ea1m vi, c\u00f2n Data Scraping gi\u00fap l\u1ea5y tr\u01b0\u1eddng d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e2n t\u00edch s\u00e2u h\u01a1n.<\/p>\n

Quy tr\u00ecnh tri\u1ec3n khai thu th\u1eadp d\u1eef li\u1ec7u<\/h2>\n

X\u00e1c \u0111\u1ecbnh c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u<\/h3>\n

Tr\u01b0\u1edbc khi vi\u1ebft script ho\u1eb7c ch\u1ecdn c\u00f4ng c\u1ee5, nh\u00f3m nghi\u00ean c\u1ee9u c\u1ea7n bi\u1ebft d\u1eef li\u1ec7u d\u00f9ng \u0111\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0o: theo d\u00f5i gi\u00e1, \u0111\u00e1nh gi\u00e1 \u0111\u1ed1i th\u1ee7, ph\u00e2n t\u00edch danh m\u1ee5c s\u1ea3n ph\u1ea9m, nh\u1eadn di\u1ec7n xu h\u01b0\u1edbng nhu c\u1ea7u hay d\u1ef1 b\u00e1o th\u1ecb tr\u01b0\u1eddng. C\u00e2u h\u1ecfi c\u00e0ng r\u00f5, d\u1eef li\u1ec7u c\u1ea7n thu th\u1eadp c\u00e0ng \u00edt nhi\u1ec5u.<\/p>\n

Ch\u1ecdn ngu\u1ed3n v\u00e0 thi\u1ebft l\u1eadp ti\u00eau ch\u00ed<\/h3>\n

Kh\u00f4ng ph\u1ea3i ngu\u1ed3n online n\u00e0o c\u0169ng \u0111\u00e1ng tin. C\u1ea7n \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 uy t\u00edn, t\u1ea7n su\u1ea5t c\u1eadp nh\u1eadt, t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111i\u1ec1u kho\u1ea3n s\u1eed d\u1ee5ng c\u1ee7a t\u1eebng website. Doanh nghi\u1ec7p c\u0169ng n\u00ean t\u00f4n tr\u1ecdng robots.txt, gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0 tr\u00e1nh thu th\u1eadp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ho\u1eb7c d\u1eef li\u1ec7u c\u00e1 nh\u00e2n kh\u00f4ng ph\u00f9 h\u1ee3p.<\/p>\n

L\u00e0m s\u1ea1ch v\u00e0 ki\u1ec3m ch\u1ee9ng d\u1eef li\u1ec7u<\/h3>\n

D\u1eef li\u1ec7u sau khi thu th\u1eadp c\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a, ki\u1ec3m tra l\u1ed7i, g\u1eafn m\u1ed1c th\u1eddi gian v\u00e0 l\u01b0u tr\u1eef theo c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng. N\u1ebfu d\u1eef li\u1ec7u ph\u1ee5c v\u1ee5 quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng, n\u00ean c\u00f3 b\u01b0\u1edbc ki\u1ec3m ch\u1ee9ng b\u1eb1ng con ng\u01b0\u1eddi ho\u1eb7c \u0111\u1ed1i chi\u1ebfu v\u1edbi kh\u1ea3o s\u00e1t, ph\u1ecfng v\u1ea5n v\u00e0 b\u00e1o c\u00e1o th\u1ecb tr\u01b0\u1eddng.<\/p>\n

V\u1edbi c\u00e1c d\u1ef1 \u00e1n c\u1ea7n bi\u1ebfn d\u1eef li\u1ec7u web th\u00e0nh b\u1eb1ng ch\u1ee9ng kinh doanh, INTAGE Vi\u1ec7t Nam c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 d\u1ecbch v\u1ee5 nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng<\/a> k\u1ebft h\u1ee3p desk research, kh\u1ea3o s\u00e1t, d\u1eef li\u1ec7u h\u00e0nh vi v\u00e0 ph\u00e2n t\u00edch chuy\u00ean gia.<\/p>\n

\u1ee8ng d\u1ee5ng trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng<\/h2>\n

Data Scraping v\u00e0 Web Crawling c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 theo d\u00f5i gi\u00e1, ph\u00e2n t\u00edch danh m\u1ee5c s\u1ea3n ph\u1ea9m, \u0111o l\u01b0\u1eddng \u0111\u1ed9 ph\u1ee7 k\u00eanh b\u00e1n, quan s\u00e1t ph\u1ea3n h\u1ed3i kh\u00e1ch h\u00e0ng, gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng truy\u1ec1n th\u00f4ng v\u00e0 c\u1eadp nh\u1eadt t\u00edn hi\u1ec7u c\u1ea1nh tranh. Trong t\u00e0i ch\u00ednh ho\u1eb7c b\u00e1n l\u1ebb, k\u1ef9 thu\u1eadt n\u00e0y c\u0169ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 ph\u00e1t hi\u1ec7n bi\u1ebfn \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng v\u00e0 x\u00e2y d\u1ef1ng b\u1ed9 d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o cho m\u00f4 h\u00ecnh d\u1ef1 b\u00e1o.<\/p>\n

Tuy nhi\u00ean, d\u1eef li\u1ec7u web th\u01b0\u1eddng ph\u1ea3n \u00e1nh h\u00e0nh vi ho\u1eb7c n\u1ed9i dung hi\u1ec3n th\u1ecb tr\u00ean k\u00eanh s\u1ed1, kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 th\u1ecb tr\u01b0\u1eddng. Do \u0111\u00f3, doanh nghi\u1ec7p n\u00ean k\u1ebft h\u1ee3p v\u1edbi kh\u1ea3o s\u00e1t \u0111\u1ecbnh l\u01b0\u1ee3ng, nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh v\u00e0 ki\u1ebfn th\u1ee9c ng\u00e0nh h\u00e0ng \u0111\u1ec3 tr\u00e1nh di\u1ec5n gi\u1ea3i sai.<\/p>\n

Th\u00e1ch th\u1ee9c c\u1ea7n l\u01b0u \u00fd<\/h2>\n

C\u00e1c th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn g\u1ed3m thay \u0111\u1ed5i c\u1ea5u tr\u00fac website, d\u1eef li\u1ec7u thi\u1ebfu nh\u1ea5t qu\u00e1n, r\u1ee7i ro ph\u00e1p l\u00fd, gi\u1edbi h\u1ea1n truy c\u1eadp, d\u1eef li\u1ec7u tr\u00f9ng l\u1eb7p v\u00e0 kh\u00f3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 tin c\u1eady c\u1ee7a ngu\u1ed3n. M\u1ed9t quy tr\u00ecnh t\u1ed1t c\u1ea7n c\u00f3 t\u00e0i li\u1ec7u ngu\u1ed3n, log thu th\u1eadp, ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u v\u00e0 c\u01a1 ch\u1ebf c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3.<\/p>\n

K\u1ebft lu\u1eadn<\/h2>\n

Data Scraping v\u00e0 Web Crawling l\u00e0 c\u00f4ng c\u1ee5 h\u1eefu \u00edch cho nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng hi\u1ec7n \u0111\u1ea1i, nh\u01b0ng ch\u1ec9 t\u1ea1o ra gi\u00e1 tr\u1ecb khi \u0111\u01b0\u1ee3c g\u1eafn v\u1edbi c\u00e2u h\u1ecfi kinh doanh r\u00f5 r\u00e0ng, quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 di\u1ec5n gi\u1ea3i \u0111\u00fang b\u1ed1i c\u1ea3nh. Khi k\u1ebft h\u1ee3p t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u1edbi chuy\u00ean m\u00f4n nghi\u00ean c\u1ee9u, d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho quy\u1ebft \u0111\u1ecbnh marketing, b\u00e1n h\u00e0ng v\u00e0 chi\u1ebfn l\u01b0\u1ee3c c\u1ea1nh tranh.<\/p>\n\n\n

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Thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn b\u1eb1ng Data Scraping v\u00e0 Web Crawling Thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn l\u00e0 g\u00ec? Thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn l\u00e0 qu\u00e1 tr\u00ecnh l\u1ea5y th\u00f4ng tin t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau tr\u00ean internet, h\u1ec7 th\u1ed1ng n\u1ed9i b\u1ed9 ho\u1eb7c n\u1ec1n t\u1ea3ng s\u1ed1 \u0111\u1ec3 ph\u1ee5c v\u1ee5 ph\u00e2n t\u00edch, […]<\/p>\n","protected":false},"author":1,"featured_media":56185,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"rank_math_title":"","rank_math_description":"","rank_math_focus_keyword":"","footnotes":""},"categories":[1118,1113],"tags":[],"class_list":["post-56189","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-intage-vn","category-tin-tuc-moi"],"wpml_current_locale":"vi_VN","wpml_translations":[],"_links":{"self":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts\/56189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/comments?post=56189"}],"version-history":[{"count":1,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts\/56189\/revisions"}],"predecessor-version":[{"id":56190,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts\/56189\/revisions\/56190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/media\/56185"}],"wp:attachment":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=56189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=56189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=56189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}