Google: HTTP/3 Does Not Impact SEO

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HTTP/3 does not have a direct effect on SEO despite its faster efficiency, Google states.

Google Search Advocate John Mueller exposes a theory that the faster speed of HTTP/3 can directly impact

a site’s SEO. This topic is dealt with during the November 2022 edition of Google’s SEO office-hours Q&A session. Joined by the Google Search Relations group, Muller addresses the following concern:

Could making use of HTTP/3 improve SEO due to the fact that it enhances performance?

HTTP/3 uses efficiency benefits over HTTP/2 and HTTP/3. However, the performance gains are unlikely to make a difference regarding SEO.

Mueller On The SEO Effect Of HTTP/3

Mueller begins his response by stating Google doesn’t utilize HTTP/3 as a ranking element or in web crawling:

“Google does not utilize HTTP/3 as a factor in ranking at the minute. As far as I understand, we don’t use it in crawling either.”

Google mostly utilizes HTTP/1 for web crawling. Googlebot supports HTTP/2 but just utilizes it when there’s a clear benefit over HTTP/1.

Support for HTTP/3 is likely a long method off. Websites that select to embrace it early will not see a direct enhancement in search rankings, Mueller explains:

“In terms of efficiency, I suspect the gains users see from using HTTP/3 would not be enough to considerably affect the core web vitals, which are the metrics that we utilize in the page experience ranking aspect. While making a faster server is always a great idea, I doubt you ‘d see a direct connection with SEO only from using HTTP/3. Comparable to how you ‘d be hard pushed to discovering a direct connection to using a faster kind of RAM in your servers.”

Mueller provided a similar action when inquired about HTTP/3 in December 2021.

Nevertheless, he suggested HTTP/3 could “potentially indirectly” affect core web vitals.

Mueller sounds more confident now in stating that there’s no effect.

Hear his action in the video below:

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