Site owners should generally avoid having URLs that trigger 5XX server errors, regardless of where they originate from, Mueller says. “If URLs are invalid for your site, you should return 404 so ...

Social media companies Facebook, Instagram and Whatsapp have reportedly crashed with users reporting issues across the platforms.

INSTAGRAM down: Social media users question what the 5XX Server Error means.

And trying to access the site online showed a ‘5xx server error’. Users were furious about the bug, with many taking to Twitter to see if they could find out what was happening.

Instagram users were getting an error when they tried to use the photo-sharing platform Wednesday. The error was a 5xx error message that indicated there was a problem with the app.

Social media companies Facebook, Instagram and Whatsapp have reportedly crashed with users reporting issues across the platforms.