{"id":67685,"date":"2025-11-25T09:17:37","date_gmt":"2025-11-25T01:17:37","guid":{"rendered":"https:\/\/www.dataplugs.com\/how-to-build-a-web-crawler-with-dedicated-server\/"},"modified":"2025-11-25T09:23:27","modified_gmt":"2025-11-25T01:23:27","slug":"how-to-build-a-web-crawler-with-dedicated-server","status":"publish","type":"post","link":"https:\/\/www.dataplugs.com\/tc\/how-to-build-a-web-crawler-with-dedicated-server\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u5c08\u5c6c\u4f3a\u670d\u5668\u5efa\u7acb\u7db2\u7d61\u722c\u87f2"},"content":{"rendered":"<p>\u96a8\u8457\u7db2\u8def\u8cc7\u8a0a\u91cf\u6fc0\u589e\uff0c\u55ae\u9760\u624b\u52d5\u700f\u89bd\u6216\u5e02\u9762\u4e0a\u7684\u6578\u64da\u5de5\u5177\uff0c\u5df2\u96e3\u4ee5\u6eff\u8db3\u4f01\u696d\u3001\u7814\u7a76\u53ca\u6280\u8853\u5718\u968a\u5c0d\u7cbe\u6e96\u6578\u64da\u8490\u96c6\u7684\u9700\u6c42\u3002\u8981\u5728\u9f90\u5927\u4e14\u77ac\u606f\u842c\u8b8a\u7684\u7db2\u8def\u4e2d\uff0c\u6709\u7cfb\u7d71\u5730\u7372\u53d6\u3001\u7d44\u7e54\u6709\u50f9\u503c\u8cc7\u8a0a\uff0c\u5fc5\u9808\u63a1\u7528\u81ea\u52d5\u5316\u3001\u7a69\u5b9a\u4e14\u5f48\u6027\u7684\u65b9\u6848\u3002\u5c08\u5c6c\u4f3a\u670d\u5668\u80fd\u63d0\u4f9b\u8cc7\u6e90\u9694\u96e2\u3001\u904b\u7b97\u6548\u80fd\u53ca\u7db2\u8def\u7a69\u5b9a\u5ea6\uff0c\u6b63\u662f\u9ad8\u6548\u80fd\u7db2\u8def\u722c\u87f2\u904b\u4f5c\u7684\u57fa\u77f3\u3002\u672c\u6587\u5c07\u6df1\u5165\u4ecb\u7d39\u7db2\u8def\u722c\u87f2\u7684\u539f\u7406\u3001\u502b\u7406\u8003\u91cf\uff0c\u4ee5\u53ca\u5982\u4f55\u9010\u6b65\u5728\u5c08\u5c6c\u4f3a\u670d\u5668\u4e0a\u5efa\u7f6e\u3001\u90e8\u7f72\u53ca\u7ba1\u7406\u5c08\u5c6c\u7684\u722c\u87f2\u57fa\u790e\u8a2d\u65bd\u3002<\/p>\n<h2><strong>\u7db2\u8def\u722c\u87f2\u7684\u904b\u4f5c\u539f\u7406<\/strong><\/h2>\n<p>\u7db2\u8def\u722c\u87f2\u662f\u4e00\u7a2e\u81ea\u52d5\u5316\u4ee3\u7406\uff0c\u6703\u4f9d\u7167\u9810\u8a2d\u6d41\u7a0b\u5de1\u89bd\u7db2\u7ad9\u3001\u900f\u904e\u8d85\u9023\u7d50\u63a2\u7d22\u65b0\u9801\u9762\uff0c\u4e26\u64f7\u53d6\u5167\u5bb9\u4f5c\u9032\u4e00\u6b65\u5206\u6790\u6216\u5efa\u7acb\u7d22\u5f15\u3002\u6d41\u7a0b\u5f9e\u4e00\u7d44\u300c\u7a2e\u5b50\u300dURL 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robots.txt\uff1a\u5fc5\u9808\u4f9d\u64da\u7db2\u7ad9 robots.txt \u6587\u4ef6\u898f\u7bc4\u884c\u70ba\uff0c\u4e0d\u9032\u5165\u88ab\u7981\u6b62\u7684\u5340\u57df\u3002<\/li>\n<li>\u63a7\u5236\u722c\u53d6\u983b\u7387\uff1a\u907f\u514d\u5c0d\u4f3a\u670d\u5668\u9020\u6210\u904e\u5927\u8ca0\u8f09\uff0c\u5c0f\u578b\u7db2\u7ad9\u5efa\u8b70\u6bcf 10&ndash;15 \u79d2\u8acb\u6c42\u4e00\u6b21\uff0c\u5927\u578b\u7db2\u7ad9\u53ef\u4f9d\u6388\u6b0a\u9054\u6bcf\u79d2 1&ndash;2 \u6b21\u3002<\/li>\n<li>\u7528\u6236\u4ee3\u7406\u6a19\u793a\uff1a\u660e\u78ba\u6a19\u8a3b User-Agent\uff0c\u5305\u542b\u722c\u87f2\u7528\u9014\u53ca\u806f\u7d61\u8cc7\u8a0a\uff0c\u4fbf\u65bc\u7ba1\u7406\u8005\u8b58\u5225\u53ca\u806f\u7d61\u3002<\/li>\n<li>\u6709\u6548\u7387\u5730\u722c\u53d6\uff1a\u5229\u7528 sitemap \u805a\u7126\u91cd\u8981\u9801\u9762\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6d41\u91cf\u6d88\u8017\u3002<\/li>\n<li>\u5f48\u6027\u8abf\u6574\u7b56\u7565\uff1a\u6839\u64da\u7db2\u7ad9\u56de\u61c9\u72c0\u6cc1\uff0c\u9069\u6642\u8abf\u6574\u983b\u7387\u3001\u7528\u6236\u4ee3\u7406\u6216\u8acb\u6c42\u65b9\u5f0f\u3002<\/li>\n<li>\u59a5\u5584\u8655\u7406\u932f\u8aa4\uff1a\u9047 HTTP 429\uff08\u8acb\u6c42\u904e\u591a\uff09\u6642\u66ab\u505c\uff0c\u9023\u7e8c 403\uff08\u88ab\u62d2\u7d55\uff09\u6642\u61c9\u505c\u6b62\u5c0d\u8a72\u7ad9\u9ede\u722c\u53d6\u3002<\/li>\n<li>\u5206\u6279\u8655\u7406\uff1a\u5c07\u5927\u578b\u4efb\u52d9\u5206\u6279\u9032\u884c\uff0c\u5206\u6563\u8ca0\u8f09\uff0c\u964d\u4f4e\u88ab\u5075\u6e2c\u70ba\u6a5f\u5668\u4eba\u98a8\u96aa\u3002<\/li>\n<li>\u5f37\u5316\u4f3a\u670d\u5668\u5b89\u5168\uff1a\u9650\u5236\u50c5\u5c0d\u5916\u9023\u7dda\uff0c\u76e3\u63a7\u5f31\u9ede\uff0c\u964d\u4f4e\u653b\u64ca\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<p>\u843d\u5be6\u9019\u4e9b\u898f\u7bc4\uff0c\u6709\u52a9\u65bc\u7dad\u8b77\u81ea\u8eab\u904b\u4f5c\u5b89\u5168\uff0c\u540c\u6642\u4fc3\u9032\u53cb\u5584\u4e14\u53ef\u6301\u7e8c\u7684\u7db2\u8def\u751f\u614b\u3002<\/p>\n<h2><strong>\u5e38\u898b\u61c9\u7528\u5834\u666f<\/strong><\/h2>\n<p>\u7db2\u8def\u722c\u87f2\u662f\u773e\u591a\u61c9\u7528\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u74b0\uff1a<\/p>\n<ul>\n<li>\u641c\u5c0b\u5f15\u64ce\u7d22\u5f15\uff1a\u81ea\u52d5\u5de1\u89bd\u3001\u5206\u6790\u53ca\u5206\u985e\u7db2\u7ad9\u5167\u5bb9\uff0c\u63d0\u5347\u7528\u6236\u6aa2\u7d22\u6548\u7387\u3002<\/li>\n<li>SEO \u7db2\u7ad9\u5065\u6aa2\uff1a\u6aa2\u67e5\u65b7\u93c8\u3001\u91cd\u8907\u9801\u9762\u3001\u7f3a\u6f0f meta \u6a19\u7c64\u7b49\u6280\u8853\u554f\u984c\uff0c\u5354\u52a9\u7dad\u6301\u7db2\u7ad9\u5065\u5eb7\u3002<\/li>\n<li>\u50f9\u683c\u6bd4\u8f03\u5e73\u53f0\uff1a\u96fb\u5546\u532f\u805a\u7db2\u7ad9\u4ee5\u722c\u87f2\u76e3\u63a7\u591a\u7ad9\u5546\u54c1\u50f9\u683c\u8207\u63cf\u8ff0\uff0c\u63d0\u4f9b\u5373\u6642\u6bd4\u50f9\u8cc7\u8a0a\u3002<\/li>\n<li>\u5e02\u5834\u8abf\u67e5\u8207\u8f3f\u60c5\u5206\u6790\uff1a\u4f01\u696d\u5229\u7528\u722c\u87f2\u6536\u96c6\u8ad6\u58c7\u3001\u793e\u7fa4\u3001\u90e8\u843d\u683c\u4e0a\u7684\u610f\u898b\u8207\u8da8\u52e2\uff0c\u652f\u63f4\u6c7a\u7b56\u53ca\u7af6\u722d\u5206\u6790\u3002<\/li>\n<\/ul>\n<h2><strong>\u9010\u6b65\u5efa\u7f6e\u7db2\u8def\u722c\u87f2\u6d41\u7a0b<\/strong><\/h2>\n<p>\u5728\u5c08\u5c6c\u4f3a\u670d\u5668\u4e0a\u90e8\u7f72\u9ad8\u6548\u80fd\u7db2\u8def\u722c\u87f2\uff0c\u9700\u4f9d\u4e0b\u5217\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<ol>\n<li>\u660e\u78ba\u76ee\u6a19\u8207\u7bc4\u570d<br \/> \u91d0\u6e05\u6240\u9700\u6578\u64da\u3001\u76ee\u6a19\u7db2\u7ad9\u6216\u5167\u5bb9\u985e\u578b\u3001\u8cc7\u6599\u66f4\u65b0\u983b\u7387\uff0c\u70ba\u6280\u8853\u8a2d\u8a08\u6253\u4e0b\u57fa\u790e\u3002\n<\/li>\n<li>\u5efa\u7acb\u5c08\u5c6c\u4f3a\u670d\u5668\u74b0\u5883<br \/> \u6839\u64da\u5de5\u4f5c\u8ca0\u8f09\u9078\u64c7\u5408\u9069\u7684 CPU\u3001\u8a18\u61b6\u9ad4\u3001\u5132\u5b58\u88dd\u7f6e\u53ca\u7db2\u8def\u983b\u5bec\uff0c\u4e26\u52a0\u5f37\u5b89\u5168\u8a2d\u5b9a\uff08\u5982\u5b89\u88dd\u5b89\u5168\u66f4\u65b0\u3001\u9632\u706b\u7246\u3001\u95dc\u9589\u4e0d\u5fc5\u8981\u670d\u52d9\uff09\u3002\n<\/li>\n<li>\u9078\u64c7\u722c\u87f2\u6846\u67b6<br \/> \u6839\u64da\u9700\u6c42\u9078\u7528\u9069\u5408\u7684\u958b\u767c\u6846\u67b6\uff0c\u5982 Python \u7684 Scrapy\u3001Java \u7684 Apache 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