425
Too Early
4xx Client error
Class
RFC 8470
Defined in
What does HTTP 425 mean?
The server is unwilling to process a request that might be replayed. Related to TLS 1.3 0-RTT “early data”, which can be replayed by an attacker. Servers answer 425 to non-idempotent early requests so the client retries after the full handshake.
4xx Client error: The request has a problem the client can fix: wrong URL, missing credentials, bad data or too many requests.
How to fix 425 Too Early
- Clients retry automatically; no action needed.
425 and SEO
No SEO impact.
Example response
HTTP/1.1 425 Too EarlyRelated status codes
- 400 Bad Request — The server cannot process the request because it is malformed.
- 429 Too Many Requests — The client sent too many requests in a given amount of time.
Check which status code a URL returns with the HTTP header checker.
All HTTP status codesSearch the full list of status codes from 100 to 599 with their meanings and SEO impact.
Open the full list Frequently asked questions
What does status code 425 mean?
425 Too Early: The server is unwilling to process a request that might be replayed.
How do I fix a 425 error?
Clients retry automatically; no action needed.
Does 425 affect SEO?
No SEO impact.