Product details pages, cart pages, and checkout pages. The Google Storebot crawls through certain types of pages, including, but not limited to, Robots.txt rules, in which case it will make the request from a different IP range. User agent tokensĬaution: For user-initiated requests, Google Favicon ignores Used for crawling video bytes for Google Video and products dependent on videos. Historic user agent token Googlebot-News. Googlebot News uses the Googlebot for crawling news articles, however it respects its Used for crawling image bytes for Google Images and products dependent on images. Mozilla/5.0 (compatible Googlebot/2.1 +).Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko compatible Googlebot/2.1 +) Chrome/ W.X.Y.Z Safari/537.36.Mozilla/5.0 (Linux Android 6.0.1 Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ W.X.Y.Z Mobile Safari/537.36 (compatible Googlebot/2.1 +) They always obey robots.txt rules and generally crawl from the Google's common crawlers are used for building Google's search indices, perform other product Learn how to verify if a visitor is a Google crawler. The full user agent string is a full description of the crawler, and appears inĬaution: The user agent string can be spoofed. This list is not complete, but covers most crawlers you might see on your website. One token, as shown in the table you need to match only one crawler token for a rule toĪpply. To match a crawler type when writing crawl rules for your site. The user agent token is used in the User-agent: line in robots.txt How you may see in your referrer logs, and how to specify them in The following tables show the Google crawlers and fetchers used by various products and services, Is used to automatically discover and scan websites by following links from one web page toįetchers, like a browser, are tools that request a single URL when prompted by a user. "Crawler" (sometimes also called a "robot" or "spider") is a generic term for any program that Google uses crawlers and fetchers to perform actions for its products, either automatically or Overview of Google crawlers and fetchers (user agents)
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