Google will crawl some websites over HTTP/2 from November 2020, says Google

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A new article on Search Engine Journal reports that Google just confirmed it will begin crawling websites over HTTP/2 in November.

The improved architecture of HTTP/2 means it can provide additional features when compared with HTTP. According to Google:

"With h2, Googlebot is able to open a single TCP connection to the server and efficiently transfer multiple files over it in parallel, instead of requiring multiple connections. The fewer connections open, the fewer resources the server and Googlebot have to spend on crawling."
The change to the way Googlebot crawls won't happen all at once, though. It's expected to happen gradually in phases, and November's first phase will involve the bot crawling only a few sites in HTTP/2. The bot will base decisions on how to crawl specific sites on the following basis:
  • Does the site's server support HTTP/2?
  • Does Googlebot crawl the specific website often?

Site servers that don't support HTTP/2 will still get crawled, Google says

If you're a website owner and keen to get started with HTTP/2, it's just a case of waiting. Googlebot won't start crawling every site out there over HTTP/2 overnight, and you don't need to do anything right now. You also won't get penalized if your site server doesn't yet support HTTP/2.

It's thought this change is happening now because Googlebot's HTTP/2 software finally allows it to happen when site servers permit. Google says that there's no need to take action if your website servers don't support HTTP/2. There won't be any push by Google to persuade site owners to move from HTTP1.1 either. In fact, in some cases, even if servers support HTTP/2 and won't gain a benefit from Googlebot crawling it that way, the site will get crawled using HTTP1.1 anyway.
#2020 #crawl #google #http or 2 #november #websites
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  • Profile picture of the author fastreplies
    It's easy for G. to play around with changes whereas for servers
    and specially those that run BlueOnyx this is totally new ball game.

    Then again, there is security problem letting G. Bots access to root.

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  • Profile picture of the author MarLion
    I wonder if these "new features" would also mean that they'll take longer to load for terrible internet services. I frequently visit Southeast Asia and, I must say, some regions can't even reach 1MB of download spead.
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