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404 Errors flaring on nonexistent or unpublished pages – should we be concerned for SEO?
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Hello!
We keep getting "critical crawler" notifications on Moz because of firing 404 codes. We've checked each page and know that we are not linking to them anywhere on our site, they are not published and they are not indexed on Google. It's only happened since we migrated our blog to Hubspot so we think it has something to do with the test pages their developers had set up and that they are just lingering in our code somewhere.
However, we are still concerned having these codes fire implies negative consequences for our SEO. Is this the case? Should we be concerned about these 404 codes despite the pages from those URLs not actually existing?
Thank you!
Chloe -
If the errors are detected by Moz's crawler and Google Search Console (both at the same time) then I'd be much more concerned. It does also depend on the volume of them, if there are like three then it's probably not worth your time to sort it out. If there are hundreds or thousands, you might want to think about that
If you have hidden links in the coding which Moz is picking up on (that's how Moz's crawler works, by following links) then you can't really say: "We've checked each page and know that we are not linking to them anywhere on our site" - the fact that the crawler found the links means they exist and are there (even if you can't see them or find them). That is of course, unless your site is on one of the unusual architecture that Rogerbot (Moz's crawler) has difficulties with. That shouldn't be your first assumption, though - he usually knows where he's going
Where you say this:
"since we migrated our blog to Hubspot so we think it has something to do with the test pages their developers had set up" - pull them up on it! If their developers coded a load of errors into your site, that's their fault not yours and it should be their expense (not yours) to fix it
This is the page regarding their CMS:
https://www.hubspot.com/products/marketing/content-management-system
It does say "A Content Management System Built for Professional Marketers" - so migrating to it, shouldn't cause loads of SEO problems, as SEO is still the largest chunk of most site's online marketing and traffic. That should be nailed down, no problems, fewer problem than your prior system
In-fact, HubSpot know that SEO is important for a CMS: https://www.hubspot.com/cms-and-seo - "Every marketer has been told that they need to consider SEO when creating content. But what makes SEO a unique marketing strategy that marketers should prioritize? And why should your CMS have tools that help you execute your SEO strategy?" - I would argue that a load of 404 errors, could not be considered "tools that help you execute your SEO strategy"
Whether their developers messed up or their CMS is at fault is not really relevant. The main point is, the responsibility to sort it out should be on their side (not yours, IMO)
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