楼上说(shuō )的很(hěn )多(duō ),我(wǒ )补充(chōng )一(yī )下,正确的应(yīng )该(gāi )叫(jiào )网络蜘蛛,又称爬虫,本质(zhì )是搜索引擎(qíng )派(pài )出(chū )的一个(gè )执(zhí )行(háng )抓取任务(wù )的程序(xù )蜘蛛池的本质是(shì )大(dà )量的网站(zhàn )互相(xiàng )链接(jiē ),每个站单独产生大量(liàng )的内容吸引蜘蛛来爬,几千个(gè )网(wǎng )站互链时,可(kě )以想象蜘蛛(zhū )的链(liàn )接(jiē )
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