HTTP status codes / 304
304 Not Modified
The cached copy is still current, so the server sent no body.
What it means for a link
Only appears for conditional requests from caches and browsers; a link checker normally will not see it.
Common causes
- Browser or CDN revalidating a cached page
How to fix it
Nothing to fix.
How Google handles it
Helps crawl efficiency: Googlebot supports conditional requests.
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 304 questions
What does HTTP status 304 mean?
304 Not Modified: The cached copy is still current, so the server sent no body.
Is a 304 a broken link?
Only appears for conditional requests from caches and browsers; a link checker normally will not see it.
How do I fix a 304?
Nothing to fix.
How does Google handle 304?
Helps crawl efficiency: Googlebot supports conditional requests.