concrete SEO and Webperf impacts?

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GoogleBot, Google’s crawler, will be able to crawl HTTP / 2-compatible sites from November 2020. What changes to expect? What impacts for the sites concerned? SEO impacts to be expected? Here is a summary of what to remember.

As of November 2020, Googlebot will start crawling certain sites via the HTTP / 2 protocol.

Since web browsers began to support the major revision of the HTTP protocol, HTTP / 2 or h2 for short, web professionals have been asking time and time again if Googlebot could explore this upgraded, more modern version of the protocol.

It will therefore have taken many months (even several years) for Google to complete the process, but it is now done: From mid-November 2020, Googlebot will support crawling via HTTP / 2 for some sites.

What is the HTTP / 2 protocol?

If I had to summarize the principle of HTTP / 2 to you as simply as possible, I would just tell you that it is a new protocol that allows more data to be sent to a server with a single request, which is intended limit the processing time of rendering a website.

Where, for example, 3 requests (round trips) were needed between the browser and the server to send 3 files via HTTP, now only one is needed with HTTP / 2.

In summary, HTTP / 2 speeds up the web and site load times.

GoogBot is going to support HTTP / 2, cool so what?

Google expects this change to make web crawling more efficient in terms of using server resources.

With http / 2, Googlebot will be able to open a single TCP connection to the server and efficiently transfer multiple files to it in parallel, instead of requiring multiple connections.

The fewer open connections, the less resources the server and Googlebot have to devote to crawling.

In summary, Googlebot will go faster on HTTP / 2 compatible sites, what could potentially help him crawl more pages and optimize your crawl budget?

Impact on the crawl budget and SEO?

No.

Google has been clear on this point, they do not foresee any impact on the crawl budget allocated to each site, indexing and SEO. Too bad for us, it will only be beneficial for Google and its servers …

Source: https://webmasters.googleblog.com/2020/09/googlebot-will-soon-speak-http2.html

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