题目内容
Web Search Engines can analyze anchor text from hyperlinks on Web pages.
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If the visited pages are similar to the driving query, the crawler will copy them.
A crawler is not able to infer the similarity between the driving query and the pages to visit according to the pages already visited.
HTTP HEAD request can find a Web resource's MIME type.
GET request will retrieve the entire source including both HTML pages and MIME types.
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