Microsoft’s Fabrice Canel confirmed this morning that the brand new Bingbot user-agent is now 100% reside right this moment. The brand new Bingbot will typically be used for crawling 100% of web sites, until one thing goes flawed and Bing has to fallback to the earlier Bingbot user-agent.

Bing’s affirmation. Fabrice Canel posted on Twitter, “sure, 100% right this moment. We fallback to earlier person brokers the place applicable.”

He linked to the up to date Bing crawler user agents web page that previously listed this because the person agent:

Mozilla/5.0 (appropriate; bingbot/2.0; +http://www.bing.com/bingbot.htm)

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; appropriate; bingbot/2.0; +http://www. bing.com/bingbot.htm) Chrome/ WXYZ Safari/537.36

Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Construct/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ WXYZ  Cell Safari/537.36 (appropriate; bingbot/2.0; +http://www.bing.com/bingbot.htm)

The brand new person agent is documented as:

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; appropriate; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/

Mozilla/5.0 (appropriate; bingbot/2.0; +http://www.bing.com/bingbot.htm)
W.X.Y.Z Safari/537.36

Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Construct/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z Cell Safari/537.36 (appropriate; bingbot/2.0; +http://www.bing.com/bingbot.htm)

Some historical past. In 2019, Microsoft Bing introduced new Bingbot user-agent names that match higher with its evergreen Bingbot crawling and rendering service. Then in April 2022, Microsoft introduced a reputation change, a user agent name change, for BingBot. In December, Microsoft instructed us the brand new Bingbot person agent can be 100% live by January 2023.

Outdated user-agent. Microsoft stated it might cease utilizing its historic person agent by the Fall of 2022. That user-agent seems like this:
Mozilla/5.0 (appropriate; bingbot/2.0; +https://www.bing.com/bingbot.htm)

New user-agent. Bing will use a user-agent that identifies the particular model of Microsoft Edge is crawling your web site. Right here is the format for each desktop and cell:

Desktop – Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; appropriate; bingbot/2.0; +https://www.bing.com/bingbot.htm) Chrome/W.X.Y.Z Safari/537.36

Cell – Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Construct/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z Cell Safari/537.36 (appropriate; bingbot/2.0; +https://www.bing.com/bingbot.htm)

“W.X.Y.Z” shall be substituted with the newest Microsoft Edge model Bing is utilizing, for eg. “100.0.4896.127″.

Why we care. You most likely ought to have been ready for this alteration because it was introduced again in 2019. However in any occasion, this alteration can influence your web site when you’ve got any person agent detection strategies for BingBot. Be sure that to check your web site to see if it helps the brand new person agent. Most websites most likely don’t want to fret about this, however when you’ve got performed any superior bot detection, you might have to take steps to replace these scripts.

It appears that evidently in the event you didn’t make the required adjustments, then Bing will use the outdated person agent as a fallback.


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