{"id":920259,"date":"2024-01-02T07:21:27","date_gmt":"2024-01-02T07:21:27","guid":{"rendered":"https:\/\/proxyelite.info\/targets\/webharvy\/"},"modified":"2024-01-02T07:21:27","modified_gmt":"2024-01-02T07:21:27","slug":"webharvy","status":"publish","type":"targets","link":"https:\/\/proxyelite.info\/vi\/targets\/webharvy\/","title":{"rendered":"WebHarvy"},"content":{"rendered":"<p>WebHarvy l\u00e0 m\u1ed9t ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd v\u00e0 tr\u1ef1c quan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u00e9t web v\u00e0 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u. N\u00f3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng tr\u00edch xu\u1ea5t v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, URL v\u00e0 email t\u1eeb nhi\u1ec1u trang web kh\u00e1c nhau m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. Giao di\u1ec7n th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u1ee7a n\u00f3 gi\u00fap nh\u1eefng c\u00e1 nh\u00e2n kh\u00f4ng c\u00f3 k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c, trong khi c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a n\u00f3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 kinh nghi\u1ec7m. WebHarvy ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu trong d\u1eef li\u1ec7u web, cho ph\u00e9p thu th\u1eadp d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng t\u1eeb nhi\u1ec1u trang.<\/p>\n<h2>Kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a WebHarvy<\/h2>\n<p>Kh\u1ea3 n\u0103ng c\u1ee7a WebHarvy r\u1ea5t phong ph\u00fa, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c t\u00e1c v\u1ee5 qu\u00e9t web. C\u00e1c t\u00ednh n\u0103ng ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Giao di\u1ec7n \u0111i\u1ec3m v\u00e0 nh\u1ea5p chu\u1ed9t<\/strong>: Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ch\u1ecdn d\u1eef li\u1ec7u h\u1ecd c\u1ea7n c\u1ea1o ch\u1ec9 b\u1eb1ng c\u00e1ch nh\u1ea5p v\u00e0o d\u1eef li\u1ec7u \u0111\u00f3.<\/li>\n<li><strong>Tr\u00ecnh duy\u1ec7t t\u1ef1 \u0111\u1ed9ng<\/strong>: M\u00f4 ph\u1ecfng m\u1ed9t tr\u00ecnh duy\u1ec7t th\u1ef1c \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web \u0111\u1ed9ng.<\/li>\n<li><strong>Bi\u1ec3u th\u1ee9c ch\u00ednh quy<\/strong>: Cung c\u1ea5p h\u1ed7 tr\u1ee3 cho RegExp, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t trong vi\u1ec7c tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u.<\/li>\n<li><strong>\u0110\u1ecbnh d\u1ea1ng xu\u1ea5t d\u1eef li\u1ec7u<\/strong>: H\u1ed7 tr\u1ee3 c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u CSV, XML, JSON v\u00e0 SQL.<\/li>\n<li><strong>Qu\u00e9t d\u1ef1a tr\u00ean t\u1eeb kh\u00f3a<\/strong>: Cho ph\u00e9p t\u00ecm ki\u1ebfm d\u1ef1a tr\u00ean c\u00e1c t\u1eeb kh\u00f3a \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/li>\n<li><strong>Qu\u00e9t theo l\u1ecbch tr\u00ecnh<\/strong>: T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 qu\u00e9t theo c\u00e1c kho\u1ea3ng th\u1eddi gian \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/li>\n<\/ul>\n<p>WebHarvy r\u1ea5t th\u00e0nh th\u1ea1o trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 thu th\u1eadp d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd n\u1ed9i dung \u0111\u01b0\u1ee3c t\u1ea3i b\u1eb1ng AJAX, c\u00e1c trang cu\u1ed9n v\u00f4 h\u1ea1n v\u00e0 CAPTCHA.<\/p>\n<h2>S\u1eed d\u1ee5ng proxy v\u1edbi WebHarvy \u0111\u1ec3 qu\u00e9t web n\u00e2ng cao<\/h2>\n<p>Proxy \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c qu\u00e9t web hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 WebHarvy. \u0110\u00e2y l\u00e0 c\u00e1ch ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p:<\/p>\n<ul>\n<li><strong>Xoay v\u00f2ng IP<\/strong>: Proxy c\u00f3 th\u1ec3 xoay \u0111\u1ecba ch\u1ec9 IP \u0111\u1ec3 tr\u00e1nh b\u1ecb c\u00e1c trang web m\u1ee5c ti\u00eau ph\u00e1t hi\u1ec7n v\u00e0 ch\u1eb7n.<\/li>\n<li><strong>Truy c\u1eadp n\u1ed9i dung b\u1ecb h\u1ea1n ch\u1ebf<\/strong>: B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng proxy t\u1eeb c\u00e1c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c nhau, WebHarvy c\u00f3 th\u1ec3 truy c\u1eadp n\u1ed9i dung b\u1ecb h\u1ea1n ch\u1ebf \u1edf m\u1ed9t s\u1ed1 khu v\u1ef1c nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li><strong>Quy\u1ec1n ri\u00eang t\u01b0 n\u00e2ng cao<\/strong>: Proxy cung c\u1ea5p t\u00ednh \u1ea9n danh, b\u1ea3o v\u1ec7 danh t\u00ednh c\u1ee7a ng\u01b0\u1eddi qu\u00e9t.<\/li>\n<\/ul>\n<p>Vi\u1ec7c t\u00edch h\u1ee3p proxy v\u1edbi WebHarvy li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh c\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u th\u00f4ng qua m\u00e1y ch\u1ee7 proxy, \u0111\u1ea3m b\u1ea3o thu th\u1eadp d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch.<\/p>\n<h2>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng proxy trong WebHarvy<\/h2>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng proxy trong WebHarvy r\u1ea5t quan tr\u1ecdng v\u00ec m\u1ed9t s\u1ed1 l\u00fd do:<\/p>\n<ol>\n<li><strong>Tr\u00e1nh l\u1ec7nh c\u1ea5m IP<\/strong>: Vi\u1ec7c t\u00ecm ki\u1ebfm li\u00ean t\u1ee5c t\u1eeb c\u00f9ng m\u1ed9t IP c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ec7nh c\u1ea5m. Proxy gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u00e0y.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3<\/strong>: B\u1eb1ng c\u00e1ch ph\u00e2n ph\u1ed1i y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u IP, proxy c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u.<\/li>\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c d\u1eef li\u1ec7u<\/strong>: M\u1ed9t s\u1ed1 trang web hi\u1ec3n th\u1ecb n\u1ed9i dung kh\u00e1c nhau d\u1ef1a tr\u00ean v\u1ecb tr\u00ed c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Proxy \u0111\u1ea3m b\u1ea3o quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u1eadp d\u1eef li\u1ec7u \u0111a d\u1ea1ng.<\/li>\n<\/ol>\n<h2>Nh\u1eefng th\u00e1ch th\u1ee9c ti\u1ec1m \u1ea9n khi s\u1eed d\u1ee5ng proxy trong WebHarvy<\/h2>\n<p>M\u1eb7c d\u00f9 c\u00f3 l\u1ee3i nh\u01b0ng proxy c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 nh\u1ea5t \u0111\u1ecbnh trong WebHarvy:<\/p>\n<ul>\n<li><strong>\u0111\u1ed9 tin c\u1eady<\/strong>: M\u1ed9t s\u1ed1 m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c ch\u1eadm, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 thu th\u1eadp d\u1eef li\u1ec7u.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: M\u1ed9t s\u1ed1 proxy nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch ho\u00e0n to\u00e0n v\u1edbi WebHarvy, d\u1eabn \u0111\u1ebfn l\u1ed7i qu\u00e9t.<\/li>\n<li><strong>Tr\u1ecb gi\u00e1<\/strong>: Proxy ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 proxy d\u00e2n d\u1ee5ng, c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m.<\/li>\n<\/ul>\n<p>Vi\u1ec7c ch\u1ecdn \u0111\u00fang nh\u00e0 cung c\u1ea5p proxy l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y.<\/p>\n<h2>T\u1ea1i sao ProxyElite l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho ng\u01b0\u1eddi d\u00f9ng WebHarvy<\/h2>\n<p>ProxyElite n\u1ed5i b\u1eadt l\u00e0 nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy h\u00e0ng \u0111\u1ea7u cho ng\u01b0\u1eddi d\u00f9ng WebHarvy do m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1:<\/p>\n<ul>\n<li><strong>T\u00ednh \u1ea9n danh v\u00e0 b\u1ea3o m\u1eadt cao<\/strong>: \u0110\u1ea3m b\u1ea3o quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi b\u1ecb ph\u00e1t hi\u1ec7n.<\/li>\n<li><strong>V\u1ecb tr\u00ed \u0111\u1ecba l\u00fd \u0111a d\u1ea1ng<\/strong>: Cung c\u1ea5p nhi\u1ec1u lo\u1ea1i IP t\u1eeb nhi\u1ec1u qu\u1ed1c gia kh\u00e1c nhau, cho ph\u00e9p truy c\u1eadp d\u1eef li\u1ec7u to\u00e0n c\u1ea7u.<\/li>\n<li><strong>M\u00e1y ch\u1ee7 \u0111\u00e1ng tin c\u1eady v\u00e0 nhanh ch\u00f3ng<\/strong>: \u0110\u1ea3m b\u1ea3o c\u1ea1o hi\u1ec7u qu\u1ea3 v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/li>\n<li><strong>K\u1ebf ho\u1ea1ch hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong>: Cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn gi\u00e1 linh ho\u1ea1t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nhu c\u1ea7u c\u1ea1o kh\u00e1c nhau.<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng<\/strong>: Cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean m\u00f4n \u0111\u1ec3 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi WebHarvy.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, c\u00e1c d\u1ecbch v\u1ee5 proxy \u01b0u vi\u1ec7t c\u1ee7a ProxyElite n\u00e2ng cao \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng c\u1ee7a WebHarvy, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed1i quan h\u1ec7 \u0111\u1ed1i t\u00e1c l\u00fd t\u01b0\u1edfng \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 qu\u00e9t web hi\u1ec7u qu\u1ea3.<\/p>","protected":false},"featured_media":920260,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"target-categories":[21],"class_list":["post-920259","targets","type-targets","status-publish","has-post-thumbnail","hentry","target-categories-web-scrapers"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/targets\/920259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/targets"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/targets"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/920260"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=920259"}],"wp:term":[{"taxonomy":"target-categories","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/target-categories?post=920259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}