{"id":491827,"date":"2023-11-09T21:43:13","date_gmt":"2023-11-09T21:43:13","guid":{"rendered":"https:\/\/oneproxy.pro\/uncategorized\/web-crawling-vs-web-scraping-similarities-and-differences\/"},"modified":"2024-08-27T06:51:11","modified_gmt":"2024-08-27T06:51:11","slug":"web-crawling-vs-web-scraping","status":"publish","type":"post","link":"https:\/\/oneproxy.pro\/vn\/guides\/web-crawling-vs-web-scraping\/","title":{"rendered":"Thu th\u1eadp d\u1eef li\u1ec7u web v\u00e0 qu\u00e9t web: \u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t"},"content":{"rendered":"<p>Trang web n\u00e0y l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n kh\u1ed5ng l\u1ed3 v\u1edbi th\u00f4ng tin quan tr\u1ecdng. N\u00f3 kh\u00f4ng ch\u1ec9 li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u00ecm ki\u1ebfm t\u00e0i li\u1ec7u cho c\u00e1c b\u00e1o c\u00e1o m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn vi\u1ec7c ki\u1ebfm ti\u1ec1n. T\u1ee9c l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ty th\u01b0\u01a1ng m\u1ea1i. V\u00ec v\u1eady, ph\u00e2n t\u00edch c\u00fa ph\u00e1p v\u1eabn c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn. C\u00f3 hai chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u: thu th\u1eadp d\u1eef li\u1ec7u web v\u00e0 qu\u00e9t web. C\u1ea3 hai \u0111\u1ec1u thu th\u1eadp d\u1eef li\u1ec7u nh\u01b0ng v\u1edbi nh\u1eefng c\u00e1ch ti\u1ebfp c\u1eadn kh\u00e1c nhau. Trong b\u00e0i vi\u1ebft, ch\u00fang ta s\u1ebd xem x\u00e9t c\u00e1c t\u00ednh n\u0103ng, so s\u00e1nh \u1ee9ng d\u1ee5ng v\u00e0 t\u00ecm ra c\u00e1ch ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p cho c\u00e1c nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Thu th\u1eadp th\u00f4ng tin tr\u00ean web<\/h2>\n\n\n\n<p>Thu th\u1eadp d\u1eef li\u1ec7u web l\u00e0 qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng thu th\u1eadp d\u1eef li\u1ec7u c\u00e1c trang web \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin v\u1ec1 c\u00e1c trang nh\u1eb1m l\u1eadp ch\u1ec9 m\u1ee5c cho c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a vi\u1ec7c thu th\u1eadp th\u00f4ng tin l\u00e0 t\u1ea1o c\u00e1c ch\u1ec9 m\u1ee5c t\u00ecm ki\u1ebfm cho ph\u00e9p b\u1ea1n t\u00ecm th\u00f4ng tin c\u1ea7n thi\u1ebft tr\u00ean Internet. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 l\u1edbn v\u00e0 th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn h\u00e0ng tri\u1ec7u trang web. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng thu th\u1eadp d\u1eef li\u1ec7u web:<span style=\"display: none;\"> <\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm nh\u01b0 Google, Bing v\u00e0 Yahoo l\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c h\u00e0ng tri\u1ec7u trang web \u0111\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>L\u01b0u tr\u1eef web. M\u1ed9t s\u1ed1 t\u1ed5 ch\u1ee9c qu\u00e9t v\u00e0 l\u01b0u b\u1ea3n sao c\u1ee7a c\u00e1c trang web \u0111\u1ec3 t\u1ea1o c\u00e1c kho l\u01b0u tr\u1eef web c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u ho\u1eb7c truy c\u1eadp th\u00f4ng tin c\u0169.<\/li>\n\n\n\n<li>Ph\u00e2n t\u00edch gi\u00e1 c\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng c\u1ea1nh tranh. C\u00e1c c\u00f4ng ty c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thu th\u1eadp d\u1eef li\u1ec7u web \u0111\u1ec3 theo d\u00f5i gi\u00e1 s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng v\u00e0 \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh.<\/li>\n\n\n\n<li>Gi\u00e1m s\u00e1t truy\u1ec1n th\u00f4ng. C\u00e1c c\u00f4ng ty truy\u1ec1n th\u00f4ng v\u00e0 nh\u00e0 ph\u00e2n t\u00edch s\u1eed d\u1ee5ng t\u00ednh n\u0103ng thu th\u1eadp th\u00f4ng tin tr\u00ean web \u0111\u1ec3 theo d\u00f5i tin t\u1ee9c, c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i trong th\u1eddi gian th\u1ef1c.<\/li>\n\n\n\n<li>Thu th\u1eadp v\u00e0 nghi\u00ean c\u1ee9u d\u1eef li\u1ec7u. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n thu th\u1eadp d\u1eef li\u1ec7u tr\u00ean web \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u, ph\u00e2n t\u00edch xu h\u01b0\u1edbng v\u00e0 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00fat tr\u00edch n\u1ed9i dung trang web<\/h2>\n\n\n\n<p>M\u1eb7t kh\u00e1c, qu\u00e9t ho\u1eb7c qu\u00e9t web l\u00e0 qu\u00e1 tr\u00ecnh tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 t\u1eeb c\u00e1c trang web \u0111\u1ec3 ph\u00e2n t\u00edch, l\u01b0u tr\u1eef ho\u1eb7c s\u1eed d\u1ee5ng th\u00eam. Kh\u00f4ng gi\u1ed1ng nh\u01b0 thu th\u1eadp th\u00f4ng tin t\u1eadp trung v\u00e0o vi\u1ec7c tr\u00edch xu\u1ea5t th\u00f4ng tin r\u1ed9ng, thu th\u1eadp th\u00f4ng tin t\u1eadp trung v\u00e0o d\u1eef li\u1ec7u c\u1ee5 th\u1ec3. V\u00ed d\u1ee5: vi\u1ec7c thu th\u1eadp th\u00f4ng tin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00edch xu\u1ea5t gi\u00e1 s\u1ea3n ph\u1ea9m t\u1eeb c\u00e1c c\u1eeda h\u00e0ng tr\u1ef1c tuy\u1ebfn, tin t\u1ee9c t\u1eeb c\u00e1c c\u1ed5ng truy\u1ec1n th\u00f4ng ho\u1eb7c d\u1eef li\u1ec7u s\u1ea3n ph\u1ea9m t\u1eeb trang web c\u1ee7a \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng<\/h2>\n\n\n\n<p>B\u00e2y gi\u1edd ch\u00fang ta \u0111\u00e3 ph\u00e1c th\u1ea3o b\u1ea3n ch\u1ea5t c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5, h\u00e3y n\u00f3i v\u1ec1 nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ef1 \u0111\u1ed9ng h\u00f3a. C\u1ea3 hai quy tr\u00ecnh \u0111\u1ec1u d\u1ef1a v\u00e0o vi\u1ec7c tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng t\u1eeb c\u00e1c trang web, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng HTTP. C\u1ea3 thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 qu\u00e9t \u0111\u1ec1u s\u1eed d\u1ee5ng giao th\u1ee9c HTTP \u0111\u1ec3 li\u00ean l\u1ea1c v\u1edbi m\u00e1y ch\u1ee7 web v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n\n\n\n<p>B\u00e2y gi\u1edd ch\u00fang ta h\u00e3y nh\u00ecn v\u00e0o s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thu th\u1eadp d\u1eef li\u1ec7u t\u1eadp trung v\u00e0o vi\u1ec7c l\u1eadp ch\u1ec9 m\u1ee5c c\u00e1c trang web cho c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, trong khi thu th\u1eadp d\u1eef li\u1ec7u t\u1eadp trung v\u00e0o vi\u1ec7c tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c.<\/li>\n\n\n\n<li>Kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u. Tr\u00ecnh thu th\u1eadp th\u00f4ng tin ho\u1ea1t \u0111\u1ed9ng v\u1edbi l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u v\u00e0 c\u00f3 th\u1ec3 l\u1eadp ch\u1ec9 m\u1ee5c h\u00e0ng tri\u1ec7u trang web, trong khi vi\u1ec7c qu\u00e9t th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng v\u1edbi l\u01b0\u1ee3ng d\u1eef li\u1ec7u h\u1ea1n ch\u1ebf.<\/li>\n\n\n\n<li>T\u1ea7n su\u1ea5t y\u00eau c\u1ea7u. Vi\u1ec7c thu th\u1eadp th\u00f4ng tin th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ef1 \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c c\u1eadp nh\u1eadt ch\u1ec9 m\u1ee5c c\u1ee7a c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, trong khi vi\u1ec7c thu th\u1eadp th\u00f4ng tin c\u00f3 th\u1ec3 l\u00e0 thao t\u00e1c m\u1ed9t l\u1ea7n ho\u1eb7c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ecbnh k\u1ef3 theo nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy<\/h2>\n\n\n\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u1ea3 vi\u1ec7c thu th\u1eadp th\u00f4ng tin v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p. Ch\u00fang gi\u00fap b\u1ea1n v\u01b0\u1ee3t qua c\u00e1c gi\u1edbi h\u1ea1n v\u00e0 cho ph\u00e9p truy xu\u1ea5t d\u1eef li\u1ec7u \u0111a lu\u1ed3ng. R\u1ed1t cu\u1ed9c, n\u1ebfu b\u1ea1n ph\u00e2n t\u00edch c\u00fa ph\u00e1p t\u1eeb m\u1ed9t IP, ng\u01b0\u1eddi d\u00f9ng s\u1ebd nhanh ch\u00f3ng b\u1ecb c\u1ea5m v\u00ec v\u01b0\u1ee3t qu\u00e1 s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7. Nhi\u1ec1u proxy ph\u00e2n ph\u1ed1i t\u1ea3i cho nhau v\u00e0 kh\u00f4ng l\u00e0m qu\u00e1 t\u1ea3i m\u00e1y ch\u1ee7. Proxy m\u00e1y ch\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng cao, gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng kh\u00e1 ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e2n t\u00edch c\u00fa ph\u00e1p v\u00e0 thu th\u1eadp d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau<\/h2>\n\n\n\n<p>Thu th\u1eadp th\u00f4ng tin v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed \u0111\u1ec3 theo d\u00f5i gi\u00e1 s\u1ea3n ph\u1ea9m v\u00e0 ph\u00e2n t\u00edch \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh. Trong l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh \u0111\u1ec3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u00e0i ch\u00ednh v\u00e0 c\u01a1 h\u1ed9i \u0111\u1ea7u t\u01b0. Trong y h\u1ecdc, \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u v\u1ec1 b\u1ec7nh t\u1eadt v\u00e0 nghi\u00ean c\u1ee9u. H\u1ea7u nh\u01b0 m\u1ecdi ng\u00e0nh ngh\u1ec1 \u0111\u1ec1u c\u00f3 nhu c\u1ea7u thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f4ng c\u1ee5 thu th\u1eadp th\u00f4ng tin v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p<\/h2>\n\n\n\n<p>Khi l\u00e0m vi\u1ec7c v\u1edbi vi\u1ec7c thu th\u1eadp th\u00f4ng tin v\u00e0 thu th\u1eadp d\u1eef li\u1ec7u, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ch\u1ecdn c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n th\u00edch h\u1ee3p. Vi\u1ec7c thu th\u1eadp th\u00f4ng tin y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 ph\u1ee9c t\u1ea1p h\u01a1n c\u00f3 th\u1ec3 thu th\u1eadp th\u00f4ng tin t\u1ec7p robots.txt, qu\u1ea3n l\u00fd h\u00e0ng \u0111\u1ee3i y\u00eau c\u1ea7u v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady. M\u1eb7t kh\u00e1c, vi\u1ec7c ph\u00e2n t\u00edch c\u00fa ph\u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1c th\u01b0 vi\u1ec7n \u0111\u01a1n gi\u1ea3n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scrapy l\u00e0 m\u1ed9t khung thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 qu\u00e9t m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng Python. N\u00f3 cung c\u1ea5p nhi\u1ec1u c\u00f4ng c\u1ee5 \u0111\u1ec3 t\u1ea1o v\u00e0 t\u00f9y ch\u1ec9nh tr\u00ecnh thu th\u1eadp th\u00f4ng tin c\u1ee7a ri\u00eang b\u1ea1n. Scrapy c\u0169ng h\u1ed7 tr\u1ee3 x\u1eed l\u00fd v\u00e0 xu\u1ea5t d\u1eef li\u1ec7u sang nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau.<\/li>\n\n\n\n<li>Beautiful Soup l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n Python gi\u00fap ph\u00e2n t\u00edch c\u00fa ph\u00e1p HTML v\u00e0 XML d\u1ec5 d\u00e0ng h\u01a1n. \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi n\u1ebfu b\u1ea1n c\u1ea7n tr\u00edch xu\u1ea5t v\u00e0 thao t\u00e1c d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web. N\u00f3 cung c\u1ea5p m\u1ed9t API \u0111\u01a1n gi\u1ea3n v\u00e0 thu\u1eadn ti\u1ec7n \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng t\u00e0i li\u1ec7u.<\/li>\n\n\n\n<li>Apache Nutch l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng ngu\u1ed3n m\u1edf \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c n\u1ed9i dung web. C\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin. N\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u kh\u00e1c nhau.<\/li>\n\n\n\n<li>Selenium l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng h\u00f3a tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 t\u00ecm ki\u1ebfm d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web n\u01a1i kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u1edbi trang web l\u00e0 quan tr\u1ecdng. N\u00f3 cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u khi\u1ec3n tr\u00ecnh duy\u1ec7t v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u01b0 th\u1ec3 ng\u01b0\u1eddi d\u00f9ng \u0111ang th\u1ef1c hi\u1ec7n ch\u00fang theo c\u00e1ch th\u1ee7 c\u00f4ng.<\/li>\n\n\n\n<li>Octoparse l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 qu\u00e9t d\u1eef li\u1ec7u tr\u1ef1c quan \u0111\u1ec3 t\u1ea1o tr\u00ecnh ph\u00e2n t\u00edch c\u00fa ph\u00e1p m\u00e0 kh\u00f4ng c\u1ea7n l\u1eadp tr\u00ecnh. N\u00f3 r\u1ea5t h\u1eefu \u00edch cho nh\u1eefng ai mu\u1ed1n nhanh ch\u00f3ng tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web.<\/li>\n\n\n\n<li>Apify l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111\u1ec3 qu\u00e9t v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a trang web. Cung c\u1ea5p nhi\u1ec1u c\u00f4ng c\u1ee5 d\u1ecdn d\u1eb9p l\u00e0m s\u1eb5n c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng t\u1ea1o t\u1eadp l\u1ec7nh c\u1ee7a ri\u00eang b\u1ea1n. Apify c\u0169ng cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 theo d\u00f5i v\u00e0 qu\u1ea3n l\u00fd c\u00e1c t\u00e1c v\u1ee5 thu th\u1eadp d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n\n\n\n<p>Khi c\u1ea1o, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd d\u1eef li\u1ec7u kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u1ea5u tr\u00fac, l\u00e0m s\u1ea1ch, t\u1ed5ng h\u1ee3p v\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00e0nh c\u00e1c \u0111\u1ecbnh d\u1ea1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch ho\u1eb7c l\u01b0u tr\u1eef. D\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac gi\u00fap ph\u00e2n t\u00edch v\u00e0 s\u1eed d\u1ee5ng d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n<p>Thu th\u1eadp th\u00f4ng tin v\u00e0 t\u00ecm ki\u1ebfm cho ph\u00e9p b\u1ea1n l\u1ea5y d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web. C\u1ea3 hai c\u00f4ng c\u1ee5 \u0111\u1ec1u y\u00eau c\u1ea7u s\u1eed d\u1ee5ng proxy v\u00e0 ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean thu\u00ea ch\u00fang t\u1eeb ch\u00fang t\u00f4i. B\u1ea1n s\u1ebd t\u00ecm th\u1ea5y proxy m\u00e1y ch\u1ee7 cho nhi\u1ec1u qu\u1ed1c gia l\u00fd t\u01b0\u1edfng cho vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 t\u00ecm ki\u1ebfm.<\/p>","protected":false},"excerpt":{"rendered":"<p>The site is a huge library with important information. It is relevant not only for finding material for reports, but also for making money. That is, for commercial companies. Therefore, parsing remains extremely popular. There are two strategies for collecting data: web crawling and web scraping. Both collect data, but with different approaches. In the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":492955,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[33],"tags":[],"class_list":["post-491827","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides"],"acf":{"faq_title":"","faq_items":null},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/posts\/491827","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/comments?post=491827"}],"version-history":[{"count":1,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/posts\/491827\/revisions"}],"predecessor-version":[{"id":505838,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/posts\/491827\/revisions\/505838"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/492955"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=491827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/categories?post=491827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/tags?post=491827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}