{"id":67684,"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":"2025-11-25T09:20:31","modified_gmt":"2025-11-25T01:20:31","slug":"how-to-build-a-web-crawler-with-dedicated-server","status":"publish","type":"post","link":"https:\/\/www.dataplugs.com\/sc\/how-to-build-a-web-crawler-with-dedicated-server\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u72ec\u7acb\u670d\u52a1\u5668\u642d\u5efa\u7f51\u7edc\u722c\u866b"},"content":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u6570\u636e\u91cf\u6fc0\u589e\uff0c\u4ec5\u9760\u624b\u52a8\u6d4f\u89c8\u6216\u73b0\u6210\u7684\u6570\u636e\u5de5\u5177\uff0c\u5df2\u96be\u4ee5\u6ee1\u8db3\u4f01\u4e1a\u3001\u7814\u7a76\u53ca\u6280\u672f\u56e2\u961f\u5bf9\u7cbe\u51c6\u6570\u636e\u91c7\u96c6\u7684\u9700\u6c42\u3002\u8981\u5728\u5e9e\u5927\u4e14\u5feb\u901f\u53d8\u5316\u7684\u7f51\u7edc\u4e2d\u7cfb\u7edf\u5316\u83b7\u53d6\u548c\u6574\u7406\u6709\u4ef7\u503c\u7684\u4fe1\u606f\uff0c\u5fc5\u987b\u91c7\u7528\u81ea\u52a8\u5316\u3001\u7a33\u5b9a\u4e14\u7075\u6d3b\u7684\u65b9\u6848\u3002\u72ec\u7acb\u670d\u52a1\u5668\u80fd\u63d0\u4f9b\u8d44\u6e90\u9694\u79bb\u3001\u8ba1\u7b97\u6027\u80fd\u53ca\u7f51\u7edc\u7a33\u5b9a\u6027\uff0c\u662f\u9ad8\u6548\u80fd\u7f51\u7edc\u722c\u866b\u8fd0\u884c\u7684\u57fa\u7840\u3002\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecd\u7f51\u7edc\u722c\u866b\u7684\u539f\u7406\u3001\u9053\u5fb7\u8003\u91cf\uff0c\u4ee5\u53ca\u5982\u4f55\u9010\u6b65\u5728\u72ec\u7acb\u670d\u52a1\u5668\u4e0a\u642d\u5efa\u3001\u90e8\u7f72\u548c\u7ba1\u7406\u4e13\u5c5e\u7684\u722c\u866b\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n<h2><strong>\u7f51\u7edc\u722c\u866b\u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/h2>\n<p>\u7f51\u7edc\u722c\u866b\u662f\u4e00\u79cd\u81ea\u52a8\u5316\u4ee3\u7406\uff0c\u6309\u7167\u8bbe\u5b9a\u6d41\u7a0b\u6d4f\u89c8\u7f51\u7ad9\uff0c\u901a\u8fc7\u8d85\u94fe\u63a5\u53d1\u73b0\u65b0\u9875\u9762\uff0c\u5e76\u6293\u53d6\u5185\u5bb9\u7528\u4e8e\u8fdb\u4e00\u6b65\u5206\u6790\u6216\u5efa\u7acb\u7d22\u5f15\u3002\u6d41\u7a0b\u4ece\u4e00\u7ec4&ldquo;\u79cd\u5b50&rdquo;URL\u5f00\u59cb\uff0c\u722c\u866b\u4f9d\u6b21\u8bbf\u95ee\u3001\u4e0b\u8f7d\u5185\u5bb9\u3001\u63d0\u53d6\u9875\u9762\u4e2d\u7684\u94fe\u63a5\uff0c\u5e76\u5c06\u672a\u8bbf\u95ee\u7684\u65b0\u7f51\u5740\u52a0\u5165\u961f\u5217\uff0c\u5faa\u73af\u9012\u5f52\uff0c\u6700\u7ec8\u53ef\u4ee5\u7ed8\u5236\u7f51\u7ad9\u7ed3\u6784\u6216\u66f4\u5e7f\u6cdb\u7684\u7f51\u7edc\u5730\u56fe\u3002<\/p>\n<p>\u722c\u866b\u9700\u8981\u6709\u6548\u8ddf\u8e2a\u5df2\u8bbf\u95ee\u7684\u7f51\u5740\uff0c\u907f\u514d\u91cd\u590d\u8bf7\u6c42\u3001\u63d0\u5347\u8d44\u6e90\u5229\u7528\u6548\u7387\u3002\u90e8\u7f72\u5728\u72ec\u7acb\u670d\u52a1\u5668\u540e\uff0c\u53ef\u4ee5\u652f\u6301\u66f4\u591a\u5e76\u53d1\u64cd\u4f5c\u3001\u66f4\u9ad8\u541e\u5410\u91cf\uff0c\u5373\u4f7f\u5728\u8bf7\u6c42\u91cf\u589e\u52a0\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u4fdd\u6301\u7a33\u5b9a\u6027\u80fd\uff0c\u662f\u5927\u89c4\u6a21\u6570\u636e\u91c7\u96c6\u7684\u53ef\u9760\u5e73\u53f0\u3002<\/p>\n<h2><strong>\u7f51\u7edc\u722c\u866b\u4e0e\u7f51\u9875\u6293\u53d6\u7684\u533a\u522b<\/strong><\/h2>\n<p>&ldquo;\u7f51\u7edc\u722c\u866b&rdquo;\u548c&ldquo;\u7f51\u9875\u6293\u53d6&rdquo;\u5e38\u88ab\u6df7\u7528\uff0c\u4f46\u4e24\u8005\u5728\u6570\u636e\u91c7\u96c6\u6d41\u7a0b\u4e2d\u804c\u8d23\u4e0d\u540c\uff1a<\/p>\n<ul>\n<li>\u7f51\u7edc\u722c\u866b\u8d1f\u8d23\u81ea\u52a8\u53d1\u73b0\u7f51\u7ad9\u3001\u8bb0\u5f55\u7f51\u5740\u3001\u5efa\u7acb\u7ed3\u6784\u7d22\u5f15\u3002<\/li>\n<li>\u7f51\u9875\u6293\u53d6\u5219\u4e13\u6ce8\u4e8e\u4ece\u5df2\u83b7\u53d6\u7684\u5185\u5bb9\u4e2d\u63d0\u53d6\u7279\u5b9a\u6570\u636e\uff08\u5982\u4ef7\u683c\u3001\u8054\u7cfb\u65b9\u5f0f\u3001\u5546\u54c1\u63cf\u8ff0\u7b49\uff09\u3002<\/li>\n<\/ul>\n<p>\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e24\u8005\u901a\u5e38\u7ed3\u5408\u4f7f\u7528\uff1a\u5148\u7531\u722c\u866b\u53d1\u73b0\u548c\u4e0b\u8f7d\u9875\u9762\uff0c\u7136\u540e\u7528\u7f51\u9875\u6293\u53d6\u6280\u672f\u89e3\u6790\u5185\u5bb9\u5e76\u6574\u7406\u4e3a\u7ed3\u6784\u5316\u6216\u534a\u7ed3\u6784\u5316\u6570\u636e\u3002\u4e86\u89e3\u4e24\u8005\u533a\u522b\uff0c\u6709\u52a9\u4e8e\u89c4\u5212\u9ad8\u6548\u4e14\u6613\u7ef4\u62a4\u7684\u6570\u636e\u6d41\u7a0b\u3002<\/p>\n<h2><strong>\u7f51\u7edc\u722c\u866b\u7684\u9053\u5fb7\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p>\u5408\u89c4\u4e14\u8d1f\u8d23\u4efb\u7684\u7f51\u7edc\u722c\u866b\u8bbe\u8ba1\uff0c\u987b\u517c\u987e\u6280\u672f\u3001\u9053\u5fb7\u4e0e\u6cd5\u89c4\u3002\u9075\u5b88\u4ee5\u4e0b\u539f\u5219\uff0c\u80fd\u786e\u4fdd\u722c\u866b\u957f\u671f\u8fd0\u884c\u5e76\u4e0e\u7f51\u7ad9\u7ba1\u7406\u8005\u4fdd\u6301\u826f\u597d\u4e92\u52a8\uff1a<\/p>\n<ul>\n<li>\u5c0a\u91cd robots.txt\uff1a\u5fc5\u987b\u6839\u636e\u7f51\u7ad9 robots.txt \u6587\u4ef6\u89c4\u8303\u884c\u4e3a\uff0c\u4e0d\u6293\u53d6\u88ab\u7981\u6b62\u7684\u533a\u57df\u3002<\/li>\n<li>\u63a7\u5236\u6293\u53d6\u9891\u7387\uff1a\u907f\u514d\u5bf9\u670d\u52a1\u5668\u9020\u6210\u8fc7\u5927\u538b\u529b\uff0c\u5c0f\u578b\u7f51\u7ad9\u5efa\u8bae\u6bcf 10&ndash;15 \u79d2\u8bf7\u6c42\u4e00\u6b21\uff0c\u5927\u578b\u7f51\u7ad9\u53ef\u6839\u636e\u6388\u6743\u8fbe\u5230\u6bcf\u79d2 1&ndash;2 \u6b21\u3002<\/li>\n<li>\u660e\u786e\u7528\u6237\u4ee3\u7406\u6807\u8bc6\uff1a\u5728 User-Agent \u4e2d\u6807\u660e\u722c\u866b\u7528\u9014\u53ca\u8054\u7cfb\u65b9\u5f0f\uff0c\u4fbf\u4e8e\u7ba1\u7406\u8005\u8bc6\u522b\u548c\u8054\u7cfb\u3002<\/li>\n<li>\u9ad8\u6548\u6293\u53d6\uff1a\u5229\u7528 sitemap \u805a\u7126\u91cd\u8981\u9875\u9762\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6d41\u91cf\u6d88\u8017\u3002<\/li>\n<li>\u7075\u6d3b\u8c03\u6574\u7b56\u7565\uff1a\u6839\u636e\u7f51\u7ad9\u54cd\u5e94\u60c5\u51b5\uff0c\u9002\u65f6\u8c03\u6574\u9891\u7387\u3001\u7528\u6237\u4ee3\u7406\u6216\u8bf7\u6c42\u65b9\u5f0f\u3002<\/li>\n<li>\u59a5\u5584\u5904\u7406\u9519\u8bef\uff1a\u9047\u5230 HTTP 429\uff08\u8bf7\u6c42\u8fc7\u591a\uff09\u65f6\u6682\u505c\uff0c\u8fde\u7eed 403\uff08\u88ab\u62d2\u7edd\uff09\u65f6\u5e94\u505c\u6b62\u5bf9\u8be5\u7ad9\u70b9\u6293\u53d6\u3002<\/li>\n<li>\u5206\u6279\u5904\u7406\uff1a\u5c06\u5927\u578b\u4efb\u52a1\u5206\u6279\u6267\u884c\uff0c\u5206\u6563\u8d1f\u8f7d\uff0c\u964d\u4f4e\u88ab\u8bc6\u522b\u4e3a\u673a\u5668\u4eba\u7684\u98ce\u9669\u3002<\/li>\n<li>\u5f3a\u5316\u670d\u52a1\u5668\u5b89\u5168\uff1a\u9650\u5236\u4ec5\u5916\u90e8\u8fde\u63a5\uff0c\u76d1\u63a7\u6f0f\u6d1e\uff0c\u964d\u4f4e\u88ab\u653b\u51fb\u98ce\u9669\u3002<\/li>\n<\/ul>\n<p>\u843d\u5b9e\u8fd9\u4e9b\u89c4\u8303\uff0c\u6709\u52a9\u4e8e\u4fdd\u969c\u81ea\u8eab\u8fd0\u8425\u5b89\u5168\uff0c\u540c\u65f6\u4fc3\u8fdb\u53cb\u597d\u3001\u53ef\u6301\u7eed\u7684\u7f51\u7edc\u751f\u6001\u3002<\/p>\n<h2><strong>\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/strong><\/h2>\n<p>\u7f51\u7edc\u722c\u866b\u662f\u4f17\u591a\u5e94\u7528\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u73af\uff1a<\/p>\n<ul>\n<li>\u641c\u7d22\u5f15\u64ce\u7d22\u5f15\uff1a\u81ea\u52a8\u5de1\u89c8\u3001\u5206\u6790\u53ca\u5206\u7c7b\u7f51\u7ad9\u5185\u5bb9\uff0c\u63d0\u5347\u7528\u6237\u68c0\u7d22\u6548\u7387\u3002<\/li>\n<li>SEO \u7f51\u7ad9\u4f53\u68c0\uff1a\u68c0\u67e5\u6b7b\u94fe\u3001\u91cd\u590d\u9875\u9762\u3001\u7f3a\u5931 meta \u6807\u7b7e\u7b49\u6280\u672f\u95ee\u9898\uff0c\u5e2e\u52a9\u7ef4\u62a4\u7f51\u7ad9\u5065\u5eb7\u3002<\/li>\n<li>\u4ef7\u683c\u6bd4\u8f83\u5e73\u53f0\uff1a\u7535\u5546\u805a\u5408\u7f51\u7ad9\u7528\u722c\u866b\u76d1\u6d4b\u591a\u7ad9\u5546\u54c1\u4ef7\u683c\u4e0e\u63cf\u8ff0\uff0c\u63d0\u4f9b\u5b9e\u65f6\u6bd4\u4ef7\u4fe1\u606f\u3002<\/li>\n<li>\u5e02\u573a\u8c03\u7814\u4e0e\u8206\u60c5\u5206\u6790\uff1a\u4f01\u4e1a\u5229\u7528\u722c\u866b\u91c7\u96c6\u8bba\u575b\u3001\u793e\u4ea4\u3001\u535a\u5ba2\u4e0a\u7684\u89c2\u70b9\u548c\u8d8b\u52bf\uff0c\u652f\u6491\u51b3\u7b56\u4e0e\u7ade\u4e89\u5206\u6790\u3002<\/li>\n<\/ul>\n<h2><strong>\u9010\u6b65\u642d\u5efa\u7f51\u7edc\u722c\u866b\u6d41\u7a0b<\/strong><\/h2>\n<p>\u5728\u72ec\u7acb\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u9ad8\u6548\u80fd\u7f51\u7edc\u722c\u866b\uff0c\u9700\u4f9d\u4ee5\u4e0b\u6b65\u9aa4\u63a8\u8fdb\uff1a<\/p>\n<ol>\n<li>\u660e\u786e\u76ee\u6807\u4e0e\u8303\u56f4<br \/> \u660e\u786e\u6240\u9700\u6570\u636e\u3001\u76ee\u6807\u7f51\u7ad9\u6216\u5185\u5bb9\u7c7b\u578b\u3001\u6570\u636e\u66f4\u65b0\u9891\u7387\uff0c\u4e3a\u6280\u672f\u65b9\u6848\u6253\u4e0b\u57fa\u7840\u3002\n<\/li>\n<li>\u642d\u5efa\u72ec\u7acb\u670d\u52a1\u5668\u73af\u5883<br \/> \u6839\u636e\u5de5\u4f5c\u8d1f\u8f7d\u9009\u62e9\u5408\u9002\u7684 CPU\u3001\u5185\u5b58\u3001\u5b58\u50a8\u53ca\u7f51\u7edc\u5e26\u5bbd\uff0c\u5e76\u52a0\u5f3a\u5b89\u5168\u914d\u7f6e\uff08\u5982\u5b89\u88c5\u5b89\u5168\u8865\u4e01\u3001\u9632\u706b\u5899\u3001\u5173\u95ed\u4e0d\u5fc5\u8981\u670d\u52a1\uff09\u3002\n<\/li>\n<li>\u9009\u62e9\u722c\u866b\u6846\u67b6<br \/> \u6839\u636e\u9700\u6c42\u9009\u7528\u5408\u9002\u7684\u5f00\u53d1\u6846\u67b6\uff0c\u5982 Python \u7684 Scrapy\u3001Java \u7684 Apache 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