Resources · 96
HTTP status and soft 404: diagnose before fixing
Connect server responses, visible content and indexing decisions.
· 3 min
What this guide helps achieve
- Inspect the complete request
- Match status to content
- Separate relocation and removal
- Treat outages as outages
- Check related signals
Quick check
- Can an error page return 200?
- Should every deletion redirect?
- Does 200 ensure SEO success?
Step-by-step method
- 01
Inspect the complete request
Record first response, redirect chain, destination and final body. Compare anonymous access, device and relevant context. A logged-in session can conceal public restrictions.
Output: Complete response trace.
- 02
Match status to content
A missing page should not report success while showing an error. Google may treat this mismatch as a soft 404. Choose a status consistent with the actual resource lifecycle.
Output: Status/content consistency.
- 03
Separate relocation and removal
When a relevant destination replaces a URL, document the move and test its final response. Otherwise, report absence with useful navigation. Redirecting every deleted page to the homepage does not restore its subject.
Output: Move or absence decision.
- 04
Treat outages as outages
Do not turn temporary unavailability into permanent deletion. Investigate cause, duration, load and alerts. Google treats 429 and 5xx as server-error signals; persistent failures need resolution.
Output: Alert and recovery evidence.
- 05
Check related signals
After repair, inspect links, sitemap, canonical and directives. Retain the URL and before/after evidence. A 200 response allows content processing but does not promise indexing or rankings.
Output: Link and directive check.
Connect resource, status and user journey
Choose status according to observed conditions, then verify response and content together.
Available
Useful content and consistent response.
Moved
Relevant destination and verified final response.
Missing
Explicit absence with useful navigation.
Unavailable
Temporary error, alert and monitored recovery.
Fictional example: content is missing but the template returns 200. Repair aligns HTTP status with the displayed message.
Fictional acceptance-test scenarios
These proposed cases are not client observations. Adapt data, permissions and acceptance criteria to your authorised environment.
| Situation to exercise | Result to check | Evidence to retain |
|---|---|---|
| A removed URL shows a not-found message with status 200. | Investigate a possible soft 404 and choose an appropriate 404 or 410; inspect the received response, not only its wording. | Status, content, links and routing rule. |
| A temporary outage affects an existing page. | Distinguish unavailability from removal; check server responses and recovery without arbitrary home-page redirects. | Timeline, outage response and restored state. |
| One redirect leads to another redirect. | Check the final destination, relevance and loops; simplify when a permanent change allows a direct path. | Full chain, statuses and content correspondence. |
Reusable worksheet
Complete with your authorised observations. These fields are a working template, not observed results.
| Field | Information to record |
|---|---|
| Request | URL, context and initial response |
| Chain | Hops, destination and final status |
| Content | Available, moved, missing or unavailable |
| Repair | Decision, evidence and monitoring |
Worked example
Illustrative situation
Fictional example: a removed article displays “not found” with a 200 response.
Decision and expected evidence
The server now returns 404 with useful navigation, while internal links and sitemap no longer advertise the article as available.
Distinguish the mechanisms
| Mechanism | Purpose | Check or limitation |
|---|---|---|
| 200 | Available content | Does not guarantee indexing |
| Redirect | New destination | Check meaning and final outcome |
| 404 or 410 | Missing resource | Provide help without false success |
| 503 | Unavailable service | Monitor duration and recovery |
Management indicators
| Indicator | What it measures | First action |
|---|---|---|
| Soft 404 | Status/content mismatches | Fix template and response |
| Redirect chains | Route to final destination | Remove unnecessary detours |
| Persistent failures | Still-unavailable URLs | Resolve cause and alerts |
Common pitfalls
- Does not guarantee indexing
- Check meaning and final outcome
- Provide help without false success
- Monitor duration and recovery
Frequently asked questions
Can an error page return 200?
Technically yes, but that reports a misleading state. Return a code matching the actual situation.
Should every deletion redirect?
Only to a relevant destination. Otherwise report absence with useful links.
Does 200 ensure SEO success?
No. Content, access, directives and indexing systems also matter.
Further reading and tools
Editorial resources to extend the method.
- Française du Numérique — acceptance log External link
Record tests, issues and evidence as part of a wider website review.
Official references
References consulted: . The method and worksheet propose checks to adapt to your context; they do not constitute certification.
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