Hot answers tagged web-crawlers
Will the Disallow code above stop robots from crawling all of my search result pages? Yes, it will stop the (good) bots that obey the robots.txt "standard". However, you don't need the trailing *. robots.txt is prefix matching, so the "wildcard" * at the end can simply be omitted. (Wildcard type matches are an extension of the original standard ...
Disallow sets the files or folders that are not allowed to be crawled. In addition, you can prevent a page from appearing in Google Search by including a noindex meta tag in the page's HTML code. When Googlebot next crawls that page, Googlebot will see the noindex meta tag and will drop that page entirely from Google Search results, regardless of whether ...
you should exclude such urls from crawling, because you spend your whole crawling budget for those useless urls. Read this topic at Google Product Forum. set the robots rule like: disallow: /*jsessionid*
Making the sitemap file dynamic is fine -- it's a good way to auto-update your sitemaps. Making the robots.txt file dynamic (for the same host! Doing this for separate hosts is essentially just a normal robots.txt file for each of them.) would likely cause problems: it's not crawled every time a URL is crawled from the site, so it can happen that the ...
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