Google’s Testing Tools Can’t Use a Cache and May Show Errors Which Don’t Impact Googlebot’s Rendering
Google’s testing tools don’t use caching in order to represent the latest content on your server, but they are using Google’s infrastructure to fetch content which may time out, and show as an ‘Other’ error. The real Googlebot indexing infrastructure is a lot more patient.
Google Search Isn’t Using a Chrome 41 User Agent
Google search hasn’t been using a Chrome 41 user agent since 2019, although it’s possible this might be from another Google service. If you see this in server logs you should check the IPs using reverse DNS lookup to verify if it’s genuine Googlebot activity.
Change URL Parameter Names to Force Google to Reconsider a Parameter’s Value
Google may incorrectly learn that some parameters are irrelevant, resulting in pages with those parameters being seen as duplicates, and canonicalised. It may take a very long time for Google to reconsider the parameters, so you can change the parameter name to cause Google to reprocess the URLs.
Avoid Dynamic Rendering Unless Necessary
Dynamic rendering is a workaround and adds complexity, so should only be used if it’s absolutely necessary.
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