Main issue: Product pages are being flagged as 404 (page not found) in Ahrefs. The broken URLs appear to be derived from the product H1 titles rather than the standard product handle/slug.
Evidence: An Ahrefs screenshot (central to the report) shows multiple product URLs returning 404.
Hypotheses raised:
Incorrect URL structure or a mismatch between permalinks (URL slugs) and H1 titles.
Possible spacing/percent-encoding issue (e.g., spaces becoming %20 or similar), leading to invalid or non-existent URLs.
Key terms: 404 = page not found error; H1 = primary page headline; permalinks/slugs = the canonical URL path for a product.
Current status: Unresolved. The poster cannot locate the source in the theme/code and asks which file/logic controls the product URLs to fix it. Another participant suggests the problem stems from URL structure/H1 mismatch but provides no specific file or code change.
Outcome/next steps: No concrete fix or decision yet; discussion remains open with a focus on identifying where the URL generation/links are being formed.
Summarized with AI on December 13.
AI used: gpt-5.
When checking Ahrefs, For some reason, all of our product pages are showing a 404 error. It looks like the errored URL is using the H1 title. I am not sure what this issue is here and where I can find the issue to fix (in which code file and what to look for)
Please help if you can. I am sure it is a simple fix but I have looked thoroughly through code and I am unable to find the fix.
The issue with your product pages showing 404 errors on Ahrefs may be due to incorrect URL structures or a mismatch between your site’s permalinks and product H1 titles.
