If a Web site does not have a robots.txt entry,įor more information about robots.txt, please visit In addition, all user agents are requested not to crawl faster than All user agents are prohibited from accessing the The user agent named WebCopier must not access any page whose path matches "/" Įssentially no files are allowed to be accessed. Request robots to stay away (e.g., the ones used by the Wikipedia site: The administrators of these sites put aįile called robots.txt in the top level directory of the Web site to Robots.txt : Many websites do not want to be crawled by automated It must include the following header in the GET request: Identify itself while making the GET request. Types of responses, for example redirects. You need to distinguish between only two types of replies:Īn HTTP response code of 200 is treated as successful page retrieval Īny other response code is treated as an error. KeywordHunter should be able to send an HTTP GET request and Subset of HTTP 1.1 : You do not have to implement the whole HTTP 1.1Ĭlient standard.
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