What it means for a link
Broken for now; the target is slow or down.
Common causes
- A slow or overloaded origin server
- Network problems between CDN and origin
How to fix it
Retry later; replace the link if it keeps timing out.
How Google handles it
Treated like other 5xx errors.
Check your own URLs: paste a list into the bulk HTTP status checker, trace one URL with the redirect checker, or test every link on a page with the broken link checker.
HTTP 504 questions
What does HTTP status 504 mean?
504 Gateway Timeout: A proxy or CDN waited too long for the origin server.
Is a 504 a broken link?
Broken for now; the target is slow or down.
How do I fix a 504?
Retry later; replace the link if it keeps timing out.
How does Google handle 504?
Treated like other 5xx errors.