Facebook’s 404 error page used to look like this:
Now it looks like this:
In some cases, it’ll take you back to the login screen:
But if you try any broken URL when you aren’t logged in, it’ll take you here:
From a technical SEO perspective, the strangest part is that their 404 pages are indexable:
That said, if you keep getting 404 errors on Facebook, go here for help.
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