A new Googlebot user-agent for crawling smartphone content

[Lurker]

Over the years, Google has used different crawlers to crawl and index content for feature phones and smartphones. These mobile-specific crawlers have all been referred to as Googlebot-Mobile. However, feature phones and smartphones have considerably different device capabilities, and we've seen cases where a webmaster inadvertently blocked smartphone crawling or indexing when they really meant to block just feature phone crawling or indexing. This ambiguity made it impossible for Google to index smartphone content of some sites, or for Google to recognize that these sites are smartphone-optimized.

A new Googlebot for smartphones

To clarify the situation and to give webmasters greater control, we'll be retiring "Googlebot-Mobile" for smartphones as a user agent starting in 3-4 weeks' time. From then on, the user-agent for smartphones will identify itself simply as "Googlebot" but will still list "mobile" elsewhere in the user-agent string. Here are the new and old user-agents:

The new Googlebot for smartphones user-agent:

Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)

source :

http://googlewebmastercentral.blogspot.com/2014/01/a-new-googlebot-user-agent-for-crawling.html

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