Facebook’s 404 Error Page (or Lack Thereof)

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.Need more technical SEO help?Try this.



Source
Las Vegas News Magazine