Google's John Mueller said that "rich results would not drop due to a slower response from the server." He said this on Twitter when someone said they "lost 90% of our Recipe Rich Cards" at the same time as a "slower server response time."
John said on Twitter "I don't think the two are related."
Here is a chart shared on Twitter of the drop in rich results for this site:
Here it shows a crawl stats report with an increase in slowness on the server at the same time:
Here are those tweets:
Rich results would not drop due to a slower response from the server, I don't think the two are related (unless the speed issue is a side-effect of a more serious issue)
— 🐝 johnmu.xml (personal) 🐝 (@JohnMu) May 21, 2022
He goes on to ask:
I've seen search console graphs with average response times in the 10s of seconds. If your URLs take longer than that to access, search ranking is the smallest of your problems.
— 🐝 johnmu.xml (personal) 🐝 (@JohnMu) May 21, 2022
Just a coincidence...
Forum discussion at Twitter.
