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PageSpeed Insights and Measure page quality shows unable to resolve error with message “Try checking the URL for validity” while I try to check a valid website URL. I have tried to browse the same URL on different browser directly and it loads OK.
The detailed error message is as below:
Try checking the URL for validity
Follow the below solution steps to resolve PageSpeed Insights unable to resolve error “Try checking the URL for validity” issue.
Solution 1: Verify the URL entered is correct
Verify again to make sure you have entered the correct URL without additional colon or backslash.
Solution 2: Check any traffic blocked by firewall
Check to confirm if any firewall or security plugin that could be blocking traffic request from Google bots or perhaps based on user-agent.
Solution 3: Check any DNS changes
Check to confirm if any DNS changes happened recently
Solution 4: Contact Hosting Service Provider Support
Contact your website hosting service provider to assist in troubleshooting from web server-end.