I am having this problem of "Alternate Page with Proper Canonical tag" on my website. Also there is another error in coverage "Duplicate without user-selected canonical". How to fix these?
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Have you recently changed the URLs on your site? I saw these coverage problems for a year after moving my site from HTTP to HTTPS. See webmasters.stackexchange.com/questions/110067/…– Stephen Ostermiller ♦May 1, 2021 at 9:00
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no i have not changed url– Anil KumarMay 1, 2021 at 15:53
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1 Answer
If you post your actual loaded canonical tag I can help further or confirm any issues. This is a more complex issue with many possible issues.
But I just fixed a critical canonical issue with my own site and thought I'd post it for others.
I had been making my home page cannon URL like so:
<link rel="canonical" href="https://aspectratia.com">
A static canonical URL like above was causing any URL with parameters to be disregarded AKA indexed as non-canonical.
https://aspectratia.com/?resx=1920&resy=1080&ratx=16&raty=9&page=1 = "Alternate page with proper canonical tag"
The fix was updating the canonical tag to include the params.
Why?
Because I want the URL with parameters to be considered unique pages since they define what unique content is shown.
<link rel="canonical" https://aspectratia.com/?resx=1920&resy=1080&ratx=16&raty=9&page=1">
