{"id":10195,"date":"2024-02-13T15:19:36","date_gmt":"2024-02-13T08:19:36","guid":{"rendered":"https:\/\/cloud.z.com\/vn\/?p=10195"},"modified":"2024-01-31T15:25:39","modified_gmt":"2024-01-31T08:25:39","slug":"web-scraping","status":"publish","type":"post","link":"https:\/\/cloud.z.com\/vn\/news\/web-scraping\/","title":{"rendered":"Web Scraping l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i Web Scraping \u0111\u1ed9c h\u1ea1i"},"content":{"rendered":"<p>\u0110\u01b0\u1ee3c coi l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin t\u1eeb Internet, web scraping kh\u00f4ng ch\u1ec9 h\u1ed7 tr\u1ee3 nhanh ch\u00f3ng t\u00ecm ki\u1ebfm d\u1eef li\u1ec7u m\u00e0 c\u00f2n mang l\u1ea1i nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong l\u0129nh v\u1ef1c kinh doanh, nghi\u00ean c\u1ee9u, v\u00e0 ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng. Tuy nhi\u00ean, s\u1ee9c m\u1ea1nh c\u1ee7a web scraping c\u0169ng \u0111\u1ed3ng th\u1eddi m\u1edf ra nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng ch\u00fa \u00fd, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi nh\u1eefng h\u00ecnh th\u1ee9c web scraping \u0111\u1ed9c h\u1ea1i. Nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y kh\u00f4ng ch\u1ec9 vi ph\u1ea1m c\u00e1c nguy\u00ean t\u1eafc \u0111\u1ea1o \u0111\u1ee9c m\u00e0 c\u00f2n c\u00f3 th\u1ec3 g\u00e2y h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u1ed9ng \u0111\u1ed3ng tr\u1ef1c tuy\u1ebfn v\u00e0 c\u00e1c doanh nghi\u1ec7p.<\/p>\n<div class=\"tg_wrap_cbsv tg_wrap_cbsv_blue\" style=\"margin: 20px 0px; border-radius: 4px; border: 2px solid #0066b2;\"><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h3>Web Scraping l\u00e0 g\u00ec?<\/h3>\n<p>Web Scraping, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \"r\u00eca web\" ho\u1eb7c \"l\u1ea5y d\u1eef li\u1ec7u web\", l\u00e0 qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c tr\u00edch xu\u1ea5t th\u00f4ng tin t\u1eeb trang web. Th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt l\u1eadp tr\u00ecnh, web scraping gi\u00fap t\u1ef1 \u0111\u1ed9ng thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng ho\u1eb7c ph\u00e2n t\u00edch.<\/p>\n<p>Quy tr\u00ecnh web scraping th\u01b0\u1eddng bao g\u1ed3m vi\u1ec7c truy c\u1eadp trang web, l\u1ea5y d\u1eef li\u1ec7u t\u1eeb HTML ho\u1eb7c API c\u1ee7a trang \u0111\u00f3, sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u theo c\u00e1ch mong mu\u1ed1n. C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a web scraping r\u1ea5t \u0111a d\u1ea1ng, t\u1eeb thu th\u1eadp d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng, theo d\u00f5i gi\u00e1 c\u1ea3, \u0111\u1ebfn nghi\u00ean c\u1ee9u d\u1eef li\u1ec7u v\u00e0 ph\u00e2n t\u00edch xu h\u01b0\u1edbng.<\/p>\n<p>Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng web scraping c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 ch\u00ednh s\u00e1ch c\u1ee7a trang web \u0111\u00f3, v\u00e0 m\u1ed9t s\u1ed1 trang web c\u00f3 th\u1ec3 c\u1ea5m ho\u1eb7c h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng web scraping \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a h\u1ecd. Ngo\u00e0i ra, c\u00f3 nh\u1eefng h\u00ecnh th\u1ee9c web scraping \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m cho c\u1ed9ng \u0111\u1ed3ng tr\u1ef1c tuy\u1ebfn v\u00e0 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn an ninh m\u1ea1ng.<\/p>\n<h3>C\u00f4ng c\u1ee5 Scraper v\u00e0 bot<\/h3>\n<p>C\u00f4ng c\u1ee5 Scraper v\u00e0 Bot l\u00e0 hai kh\u00e1i ni\u1ec7m quan tr\u1ecdng trong l\u0129nh v\u1ef1c web scraping v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00ean Internet. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 gi\u1ea3i th\u00edch v\u1ec1 c\u1ea3 hai kh\u00e1i ni\u1ec7m n\u00e0y:<\/p>\n<p><strong>Scraper (R\u00eca):<\/strong><\/p>\n<p><strong>\u00dd ngh\u0129a:<\/strong> Scraper l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng l\u1ea5y d\u1eef li\u1ec7u t\u1eeb trang web. Scraper th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 HTTP requests \u0111\u1ec3 t\u1ea3i trang web v\u00e0 sau \u0111\u00f3 ph\u00e2n t\u00edch c\u00fa ph\u00e1p HTML c\u1ee7a trang \u0111\u1ec3 tr\u00edch xu\u1ea5t th\u00f4ng tin mong mu\u1ed1n.<\/p>\n<p><strong>C\u00f4ng d\u1ee5ng:<\/strong> C\u00f4ng c\u1ee5 Scraper c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau tr\u00ean Internet, t\u1eeb th\u00f4ng tin s\u1ea3n ph\u1ea9m tr\u00ean trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed \u0111\u1ebfn d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng v\u00e0 \u0111\u00e1nh gi\u00e1.<\/p>\n<p><strong>L\u01b0u \u00fd:<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng Scraper c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc v\u00e0 ch\u00ednh s\u00e1ch c\u1ee7a trang web m\u00e0 b\u1ea1n \u0111ang r\u00eca, v\u00e0 m\u1ed9t s\u1ed1 trang c\u00f3 th\u1ec3 c\u1ea5m ho\u1eb7c gi\u1edbi h\u1ea1n vi\u1ec7c n\u00e0y.<\/p>\n<p><strong>Bot (Robot):<\/strong><\/p>\n<p><strong>\u00dd ngh\u0129a:<\/strong> Bot l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3 tr\u00ean Internet m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 can thi\u1ec7p c\u1ee7a con ng\u01b0\u1eddi. Trong ng\u1eef c\u1ea3nh web scraping, bot th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u01b0 \u0111\u0103ng nh\u1eadp, \u0111i\u1ec1u h\u01b0\u1edbng trang web, v\u00e0 th\u1eadm ch\u00ed l\u00e0 \u0111i\u1ec1n c\u00e1c bi\u1ec3u m\u1eabu tr\u1ef1c tuy\u1ebfn.<\/p>\n<p><strong>C\u00f4ng d\u1ee5ng:<\/strong> Bot c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng t\u1ed1c v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00ean Internet, t\u1eeb vi\u1ec7c l\u1ea5y d\u1eef li\u1ec7u \u0111\u1ebfn th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 trang web.<\/p>\n<p><strong>L\u01b0u \u00fd:<\/strong> M\u1ed9t s\u1ed1 bot c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u1ee5c \u0111\u00edch \u0111\u1ed9c h\u1ea1i, nh\u01b0 t\u1ea5n c\u00f4ng DDoS ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng spam, v\u00ec v\u1eady c\u1ea7n ph\u1ea3i c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p an ninh \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 l\u1ea1m d\u1ee5ng.<\/p>\n<p>S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa Scraper v\u00e0 Bot gi\u00fap t\u1ea1o ra nh\u1eefng c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh l\u1ea5y d\u1eef li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 tr\u00ean Internet, nh\u01b0ng c\u0169ng \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 etic v\u00e0 an ninh m\u1ea1ng.<\/p>\n<p><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/01\/web-scraping-attack.jpg\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-10199\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/01\/web-scraping-attack.jpg\" alt=\"Web Scraping l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i Web Scraping \u0111\u1ed9c h\u1ea1i 22\" width=\"800\" height=\"315\" \/><\/a><\/p>\n<h3>Web scraping \u0111\u1ed9c h\u1ea1i<\/h3>\n<p>Web scraping, m\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng h\u1eefu \u00edch, nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ed9c h\u1ea1i trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i web scraping \u0111\u1ed9c h\u1ea1i:<\/p>\n<p><strong>Price Scraping (R\u00eca Gi\u00e1 C\u1ea3):<\/strong><\/p>\n<p><strong>M\u00f4 t\u1ea3:<\/strong> Price scraping l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng web scraping \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng l\u1ea5y d\u1eef li\u1ec7u v\u1ec1 gi\u00e1 c\u1ea3 c\u1ee7a s\u1ea3n ph\u1ea9m ho\u1eb7c d\u1ecbch v\u1ee5 t\u1eeb c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c trang web cung c\u1ea5p th\u00f4ng tin v\u1ec1 gi\u00e1 c\u1ea3.<\/p>\n<p><strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i:<\/strong> C\u00e1c b\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00f4ng tin v\u1ec1 gi\u00e1 c\u1ea3 n\u00e0y \u0111\u1ec3 canh b\u1ea1c ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c c\u1ea1nh tranh kh\u00f4ng l\u00e0nh m\u1ea1nh, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea1nh tranh c\u00f4ng b\u1eb1ng.<\/p>\n<p><strong>Content Scraping (R\u00eca N\u1ed9i Dung):<\/strong><\/p>\n<p><strong>M\u00f4 t\u1ea3:<\/strong> Content scraping l\u00e0 h\u00e0nh \u0111\u1ed9ng s\u1eed d\u1ee5ng web scraping \u0111\u1ec3 l\u1ea5y n\u1ed9i dung t\u1eeb trang web, bao g\u1ed3m c\u1ea3 v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, v\u00e0 video m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 cho ph\u00e9p c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu n\u1ed9i dung.<\/p>\n<p><strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i:<\/strong> Vi\u1ec7c l\u1ea5y tr\u1ed9m n\u1ed9i dung c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c vi ph\u1ea1m b\u1ea3n quy\u1ec1n, \u0111\u1ea1o \u0111\u1ee9c ngh\u1ec1 nghi\u1ec7p, v\u00e0 l\u00e0m suy gi\u1ea3m gi\u00e1 tr\u1ecb n\u1ed9i dung \u0111\u1ed1i v\u1edbi ch\u1ee7 s\u1edf h\u1eefu.<\/p>\n<p><strong>Email Harvesting (Thu Th\u1eadp \u0110\u1ecba Ch\u1ec9 Email):<\/strong><\/p>\n<p><strong>M\u00f4 t\u1ea3:<\/strong> Web scraping c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng l\u1ea5y \u0111\u1ecba ch\u1ec9 email t\u1eeb c\u00e1c trang web c\u00f4ng khai ho\u1eb7c di\u1ec5n \u0111\u00e0n tr\u1ef1c tuy\u1ebfn.<\/p>\n<p><strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i:<\/strong> \u0110\u1ecba ch\u1ec9 email c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch g\u1eedi th\u01b0 r\u00e1c (spam) ho\u1eb7c c\u00e1c ho\u1ea1t \u0111\u1ed9ng l\u1eeba \u0111\u1ea3o, l\u00e0m gi\u1ea3m uy t\u00edn c\u1ee7a ng\u01b0\u1eddi s\u1edf h\u1eefu email.<\/p>\n<p><strong>Aggressive Scraping (R\u00eca T\u1ea5n C\u00f4ng):<\/strong><\/p>\n<p><strong>M\u00f4 t\u1ea3:<\/strong> S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt web scraping m\u1ea1nh m\u1ebd v\u00e0 li\u00ean t\u1ee5c \u0111\u1ec3 t\u1ea3i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u t\u1eeb trang web m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, c\u00f3 th\u1ec3 g\u00e2y \u00e1p l\u1ef1c l\u1edbn l\u00ean m\u00e1y ch\u1ee7 c\u1ee7a trang web \u0111\u00f3.<\/p>\n<p><strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i:<\/strong> C\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn trang web, l\u00e0m ch\u1eadm tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng ch\u00e2n th\u1ef1c v\u00e0 l\u00e0m h\u1ecfng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a trang web.<\/p>\n<p>L\u01b0u \u00fd r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng web scraping c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc v\u00e0 ch\u00ednh s\u00e1ch c\u1ee7a trang web, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 \u0111\u1eb7t ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ea1o \u0111\u1ee9c v\u00e0 ph\u00e1p l\u00fd.<\/p>\n<h3>Web Scraping ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a web scraping bao g\u1ed3m c\u00e1c b\u01b0\u1edbc ch\u00ednh \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng l\u1ea5y d\u1eef li\u1ec7u t\u1eeb trang web. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u00f4 t\u1ea3 t\u1ed5ng quan v\u1ec1 c\u00e1ch web scraping ho\u1ea1t \u0111\u1ed9ng:<\/p>\n<p><strong>X\u00e1c \u0111\u1ecbnh M\u1ee5c Ti\u00eau:<\/strong><\/p>\n<p>Ng\u01b0\u1eddi s\u1eed d\u1ee5ng x\u00e1c \u0111\u1ecbnh trang web ho\u1eb7c trang c\u00e1c d\u1eef li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c thu th\u1eadp. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, trang web tin t\u1ee9c, ho\u1eb7c b\u1ea5t k\u1ef3 trang web n\u00e0o ch\u1ee9a th\u00f4ng tin c\u1ea7n l\u1ea5y.<\/p>\n<p><strong>Ph\u00e2n T\u00edch C\u1ea5u Tr\u00fac Trang Web:<\/strong><\/p>\n<p>Ng\u01b0\u1eddi s\u1eed d\u1ee5ng ph\u00e2n t\u00edch c\u1ea5u tr\u00fac c\u1ee7a trang web \u0111\u1ec3 hi\u1ec3u c\u00e1ch th\u00f4ng tin \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c trong m\u00e3 ngu\u1ed3n HTML. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ebb HTML, l\u1edbp CSS, ho\u1eb7c c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n<p><strong>G\u1eedi Y\u00eau C\u1ea7u HTTP:<\/strong><\/p>\n<p>M\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh ho\u1eb7c bot g\u1eedi y\u00eau c\u1ea7u HTTP \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a trang web \u0111\u1ec3 l\u1ea5y m\u00e3 ngu\u1ed3n HTML c\u1ee7a trang. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n HTTP trong ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh nh\u01b0 Python ho\u1eb7c qua c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng nh\u01b0 cURL.<\/p>\n<p><strong>Tr\u00edch Xu\u1ea5t D\u1eef Li\u1ec7u:<\/strong><\/p>\n<p>M\u00e3 ngu\u1ed3n HTML \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t v\u00e0 ph\u00e2n t\u00edch \u0111\u1ec3 l\u1ea5y th\u00f4ng tin c\u1ea7n thi\u1ebft. C\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 XPath ho\u1eb7c CSS selectors c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a d\u1eef li\u1ec7u tr\u00ean trang web.<\/p>\n<p><strong>Chuy\u1ec3n \u0110\u1ed5i D\u1eef Li\u1ec7u:<\/strong><\/p>\n<p>D\u1eef li\u1ec7u sau khi \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t th\u01b0\u1eddng c\u1ea7n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i sang \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p \u0111\u1ec3 d\u1ec5 d\u00e0ng l\u01b0u tr\u1eef ho\u1eb7c ph\u00e2n t\u00edch. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00e0nh \u0111\u1ecbnh d\u1ea1ng JSON, CSV, ho\u1eb7c b\u1ea5t k\u1ef3 \u0111\u1ecbnh d\u1ea1ng n\u00e0o kh\u00e1c.<\/p>\n<p><strong>L\u01b0u Tr\u1eef ho\u1eb7c S\u1eed D\u1ee5ng D\u1eef Li\u1ec7u:<\/strong><\/p>\n<p>D\u1eef li\u1ec7u sau khi \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp \u0111\u1ec3 ph\u00e2n t\u00edch, hi\u1ec3n th\u1ecb, ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 kh\u00e1c t\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n<p>L\u01b0u \u00fd r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng web scraping c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc v\u00e0 ch\u00ednh s\u00e1ch c\u1ee7a trang web m\u00e0 b\u1ea1n \u0111ang r\u00eca, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 v\u1ec1 etic v\u00e0 ph\u00e1p l\u00fd.<\/p>\n<p><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/01\/Python_libraries_for_web_scraping.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-10197\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/01\/Python_libraries_for_web_scraping.png\" alt=\"Web Scraping l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i Web Scraping \u0111\u1ed9c h\u1ea1i 22\" width=\"2084\" height=\"1250\" \/><\/a><\/p>\n<h3>C\u00e1c lo\u1ea1i Web Scraper<\/h3>\n<p>Web scraper c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 ti\u00eau ch\u00ed kh\u00e1c nhau, bao g\u1ed3m c\u1ea3 c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, c\u00e1ch tri\u1ec3n khai, v\u00e0 n\u01a1i l\u01b0u tr\u1eef d\u1eef li\u1ec7u. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n lo\u1ea1i theo m\u1ed9t s\u1ed1 ti\u00eau ch\u00ed quan tr\u1ecdng:<\/p>\n<p><strong>Self-built or Pre-built (T\u1ef1 x\u00e2y d\u1ef1ng ho\u1eb7c S\u1eb5n c\u00f3):<\/strong><\/p>\n<p><strong>Self-built (T\u1ef1 x\u00e2y d\u1ef1ng):<\/strong> Web scraper \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb \u0111\u1ea7u b\u1edfi ng\u01b0\u1eddi s\u1eed d\u1ee5ng, s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh nh\u01b0 Python, Java, ho\u1eb7c Node.js. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt v\u00e0 kh\u1ea3 n\u0103ng l\u1eadp tr\u00ecnh.<\/p>\n<p><strong>Pre-built (S\u1eb5n c\u00f3):<\/strong> Web scraper \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u01b0\u1edbc v\u00e0 cung c\u1ea5p s\u1eb5n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng, th\u01b0\u1eddng th\u00f4ng qua c\u00e1c th\u01b0 vi\u1ec7n, framework ho\u1eb7c c\u00f4ng c\u1ee5 nh\u01b0 Scrapy, BeautifulSoup (Python), ho\u1eb7c Puppeteer (JavaScript).<\/p>\n<p><strong>Browser Extension vs Software:<\/strong><\/p>\n<p><strong>Browser Extension (Ti\u1ec7n \u00cdch Tr\u00ecnh Duy\u1ec7t):<\/strong> C\u00e1c web scraper c\u00f3 th\u1ec3 l\u00e0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng cho tr\u00ecnh duy\u1ec7t, cung c\u1ea5p t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng l\u1ea5y d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp t\u1eeb trang web m\u00e0 ng\u01b0\u1eddi s\u1eed d\u1ee5ng \u0111ang xem.<\/p>\n<p><strong>Software (Ph\u1ea7n M\u1ec1m):<\/strong> Web scraper c\u00f3 th\u1ec3 l\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed9c l\u1eadp \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean m\u00e1y t\u00ednh, c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng t\u00e1ch bi\u1ec7t v\u1edbi tr\u00ecnh duy\u1ec7t.<\/p>\n<p><strong>User Interface (Giao Di\u1ec7n Ng\u01b0\u1eddi D\u00f9ng):<\/strong><\/p>\n<p><strong>With UI (C\u00f3 Giao Di\u1ec7n Ng\u01b0\u1eddi D\u00f9ng):<\/strong> M\u1ed9t s\u1ed1 web scraper cung c\u1ea5p giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ed3 h\u1ecda \u0111\u1ec3 ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh v\u00e0 s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh s\u00e2u.<\/p>\n<p><strong>Without UI (Kh\u00f4ng C\u00f3 Giao Di\u1ec7n Ng\u01b0\u1eddi D\u00f9ng):<\/strong> C\u00e1c web scraper ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh v\u00e0 s\u1eed d\u1ee5ng th\u00f4ng qua m\u00e3 l\u1ec7nh, y\u00eau c\u1ea7u ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f3 ki\u1ebfn th\u1ee9c v\u1eefng v\u1ec1 l\u1eadp tr\u00ecnh.<\/p>\n<p><strong>Cloud vs Local:<\/strong><\/p>\n<p><strong>Cloud-based (D\u1ef1a tr\u00ean \u0110\u00e1m M\u00e2y):<\/strong> C\u00e1c d\u1ecbch v\u1ee5 web scraping \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, gi\u00fap x\u1eed l\u00fd l\u1edbn v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 thu\u1eadn ti\u1ec7n.<\/p>\n<p><strong>Local (Tr\u00ean M\u00e1y):<\/strong> C\u00e1c web scraper ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u00e1y t\u00ednh c\u1ee5c b\u1ed9, th\u01b0\u1eddng y\u00eau c\u1ea7u ng\u01b0\u1eddi s\u1eed d\u1ee5ng duy tr\u00ec v\u00e0 qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng c\u00e0i \u0111\u1eb7t.<\/p>\n<p>S\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa c\u00e1c lo\u1ea1i web scraper n\u00e0y th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 v\u00e0 k\u1ef9 n\u0103ng k\u1ef9 thu\u1eadt c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n<h3><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/01\/tai-xuong-1.png\"><img loading=\"lazy\" class=\"aligncenter  wp-image-10198\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/01\/tai-xuong-1.png\" alt=\"Web Scraping l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i Web Scraping \u0111\u1ed9c h\u1ea1i 223\" width=\"660\" height=\"345\" \/><\/a><\/h3>\n<h3>Web Scraper d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h3>\n<p>Web scraper \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong l\u0129nh v\u1ef1c thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb Internet. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 m\u1ee5c \u0111\u00edch ph\u1ed5 bi\u1ebfn m\u00e0 web scraper \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng:<\/p>\n<p><strong>Thu Th\u1eadp D\u1eef Li\u1ec7u Th\u1ecb Tr\u01b0\u1eddng:<\/strong><\/p>\n<p>Web scraper c\u00f3 th\u1ec3 thu th\u1eadp th\u00f4ng tin v\u1ec1 gi\u00e1 c\u1ea3 s\u1ea3n ph\u1ea9m, \u0111\u00e1nh gi\u00e1, v\u00e0 xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng t\u1eeb c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed \u0111\u1ec3 ph\u1ee5c v\u1ee5 nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng v\u00e0 \u0111\u00e1nh gi\u00e1 c\u1ea1nh tranh.<\/p>\n<p><strong>Nghi\u00ean C\u1ee9u v\u00e0 Ph\u00e2n T\u00edch:<\/strong><\/p>\n<p>D\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web tin t\u1ee9c, di\u1ec5n \u0111\u00e0n, blog, hay trang web ch\u00ednh ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu th\u1eadp \u0111\u1ec3 ph\u1ee5c v\u1ee5 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e2n t\u00edch xu h\u01b0\u1edbng, \u00fd ki\u1ebfn c\u1ed9ng \u0111\u1ed3ng, v\u00e0 th\u00f4ng tin li\u00ean quan.<\/p>\n<p><strong>S\u0103n Tin T\u1ee9c v\u00e0 C\u1eadp Nh\u1eadt:<\/strong><\/p>\n<p>Web scraper c\u00f3 th\u1ec3 gi\u00fap t\u1ef1 \u0111\u1ed9ng l\u1ea5y th\u00f4ng tin m\u1edbi t\u1eeb c\u00e1c trang web tin t\u1ee9c, gi\u00fap ng\u01b0\u1eddi d\u00f9ng theo d\u00f5i c\u00e1c s\u1ef1 ki\u1ec7n quan tr\u1ecdng v\u00e0 c\u1eadp nh\u1eadt nhanh ch\u00f3ng.<\/p>\n<p><strong>Thu Th\u1eadp D\u1eef Li\u1ec7u V\u1ec1 S\u1ea3n Ph\u1ea9m v\u00e0 D\u1ecbch V\u1ee5:<\/strong><\/p>\n<p>Trong l\u0129nh v\u1ef1c th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, web scraper \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 t\u1eeb c\u00e1c trang web b\u00e1n l\u1ebb, gi\u00fap doanh nghi\u1ec7p hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 th\u1ecb tr\u01b0\u1eddng v\u00e0 \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh.<\/p>\n<p><strong>Qu\u1ea3ng C\u00e1o v\u00e0 Ti\u1ebfp Th\u1ecb Tr\u1ef1c Tuy\u1ebfn:<\/strong><\/p>\n<p>D\u1eef li\u1ec7u v\u1ec1 xu h\u01b0\u1edbng, \u00fd ki\u1ebfn kh\u00e1ch h\u00e0ng, v\u00e0 th\u00f4ng tin \u0111\u1ed1i th\u1ee7 c\u00f3 th\u1ec3 gi\u00fap doanh nghi\u1ec7p x\u00e2y d\u1ef1ng chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3ng c\u00e1o v\u00e0 ti\u1ebfp th\u1ecb tr\u1ef1c tuy\u1ebfn hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<p><strong>Ki\u1ec3m Tra v\u00e0 Theo D\u00f5i Gi\u00e1 C\u1ea3:<\/strong><\/p>\n<p>Web scraper th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra v\u00e0 theo d\u00f5i gi\u00e1 c\u1ea3 s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn, gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm c\u01a1 h\u1ed9i mua s\u1eafm v\u00e0 so s\u00e1nh gi\u00e1.<\/p>\n<p><strong>T\u1ed5ng H\u1ee3p D\u1eef Li\u1ec7u:<\/strong><\/p>\n<p>Web scraper c\u00f3 th\u1ec3 gi\u00fap t\u1ed5ng h\u1ee3p th\u00f4ng tin t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o ra d\u1eef li\u1ec7u \u0111a ngu\u1ed3n, h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh.<\/p>\n<p><strong>T\u1ea1o N\u1ed9i Dung T\u1ef1 \u0110\u1ed9ng:<\/strong><\/p>\n<p>D\u1eef li\u1ec7u t\u1eeb web scraper c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o n\u1ed9i dung t\u1ef1 \u0111\u1ed9ng cho c\u00e1c trang web, blog, ho\u1eb7c \u1ee9ng d\u1ee5ng, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/p>\n<p>T\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3, web scraper c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh thu th\u1eadp v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u t\u1eeb Internet.<\/p>\n<h3>K\u1ebft lu\u1eadn<\/h3>\n<p>Web scraping, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \"r\u00eca web\", l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1ea1nh m\u1ebd gi\u00fap t\u1ef1 \u0111\u1ed9ng l\u1ea5y d\u1eef li\u1ec7u t\u1eeb Internet, mang l\u1ea1i nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng, \u0111\u00e1nh gi\u00e1 c\u1ea1nh tranh, v\u00e0 theo d\u00f5i xu h\u01b0\u1edbng. Tuy nhi\u00ean, s\u1ef1 m\u1ea1nh m\u1ebd c\u1ee7a web scraping c\u0169ng \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1ed1i v\u1edbi vi\u1ec7c duy tr\u00ec \u0111\u1ea1o \u0111\u1ee9c v\u00e0 an ninh m\u1ea1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ed9c h\u1ea1i nh\u01b0 price scraping v\u00e0 content scraping. Vi\u1ec7c s\u1eed d\u1ee5ng web scraping \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c quy \u0111\u1ecbnh c\u1ee7a trang web, t\u00f4n tr\u1ecdng quy\u1ec1n ri\u00eang t\u01b0, v\u00e0 \u0111\u1ea3m b\u1ea3o an ninh th\u00f4ng tin. T\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u1ef1a ch\u1ecdn gi\u1eefa c\u00e1c lo\u1ea1i web scraper kh\u00e1c nhau, t\u1eeb t\u1ef1 x\u00e2y d\u1ef1ng \u0111\u1ebfn s\u1eb5n c\u00f3, t\u1eeb ti\u1ec7n \u00edch tr\u00ecnh duy\u1ec7t \u0111\u1ebfn ph\u1ea7n m\u1ec1m \u0111\u1ed9c l\u1eadp. Vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1ch web scraping ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u00f4ng c\u1ee5 l\u00e0 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c s\u1eed d\u1ee5ng m\u1ea1nh m\u1ebd nh\u01b0ng an to\u00e0n v\u00e0 \u0111\u1ea1o \u0111\u1ee9c.<\/p>\n<div class=\"tg_wrap_cbsv tg_wrap_cbsv_blue\" style=\"margin: 20px 0px; border-radius: 4px; border: 2px solid #0066b2;\"><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p><strong>B\u00e0i li\u00ean quan<\/strong><\/p>\n<ul>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/javascript\/\">JavaScript l\u00e0 g\u00ec? C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a JavaScript tr\u00ean trang web<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/typescript\/\">Typescript l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn code Type Script v\u00e0 bi\u00ean d\u1ecbch th\u00e0nh Javascript<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/javafx\/\">Hi\u1ec3u r\u00f5 v\u1ec1 JavaFX v\u00e0 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a JavaFX<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/redux\/\">M\u1ecdi \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 Redux - Th\u01b0 vi\u1ec7n qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i trong \u1ee9ng d\u1ee5ng web<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u01b0\u1ee3c coi l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin t\u1eeb Internet, web scraping kh\u00f4ng ch\u1ec9 h\u1ed7 tr\u1ee3 nhanh ch\u00f3ng t\u00ecm ki\u1ebfm d\u1eef li\u1ec7u m\u00e0 c\u00f2n mang l\u1ea1i nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong l\u0129nh v\u1ef1c kinh...<\/p>\n","protected":false},"author":28,"featured_media":10196,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[177,83],"tags":[],"jetpack_featured_media_url":"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/01\/febf9de6-8a5a-4055-b274-e685485496f5-scaled.jpeg","_links":{"self":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts\/10195"}],"collection":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/comments?post=10195"}],"version-history":[{"count":2,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts\/10195\/revisions"}],"predecessor-version":[{"id":10201,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts\/10195\/revisions\/10201"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/media\/10196"}],"wp:attachment":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/media?parent=10195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/categories?post=10195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/tags?post=10195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}