HTTP 200 OK: what it means for crawlers
200 OK means the request succeeded and the server returned the resource. For crawlers it is the green light to process and potentially index a page. The subtle trap is the soft 404 — an error or empty page served with a 200 status, which wastes crawl budget and pollutes the index.
What 200 means
200 OK is the standard success response: the server processed the request and is returning the resource. For a crawler, a 200 on an HTML page means it can render and evaluate the content for indexing. This is what you want for every canonical, indexable URL.
When a 200 is a problem: soft 404s
A soft 404 is a page that says 'not found' or is effectively empty but returns a 200 status. Search engines try to detect these, but you should not rely on that. Genuinely missing content should return 404 or 410; redirected content should return 301. Returning 200 for nothing wastes crawl budget and can index junk.
- Missing page → return 404 or 410, not 200
- Moved page → return 301 to the new URL
- Empty/placeholder pages returning 200 dilute the index
Operator checklist
Verify important pages return 200; verify removed pages return 404/410; check that your 'not found' template sends a 404 status, not a styled 200; and watch for thin or parameter-generated URLs returning 200 at scale.
How it appears in analytics and logs
A 200 on an important page is the healthy state. A 200 on a page that is actually missing or empty (a soft 404) misleads crawlers into indexing low-value URLs and spending crawl budget on them.
Diagnostic use case
Confirm crawlers receive 200s on pages that should be indexable, and catch soft 404s where a 'not found' page wrongly returns 200.
What WebmasterID can help detect
WebmasterID can surface the status codes crawlers receive, helping you spot pages that should not be returning 200 (soft 404s) or important pages unexpectedly returning errors.
Common mistakes
- Serving a friendly 'not found' page with a 200 status (soft 404).
- Assuming a 200 means the page is indexed — it means it was fetched successfully.
- Letting infinite parameter URLs return 200 and burn crawl budget.
Privacy and accuracy notes
Status codes are request-level signals with no personal data. WebmasterID surfaces status patterns for crawler traffic without exposing individual visitor information.
Related pages
- HTTP 404 Not Found: what it means for crawlers
404 Not Found means the server has no resource at that URL. It is the correct, healthy response for genuinely missing pages — crawlers expect some 404s. Problems arise when important pages 404 by accident, when removed pages should signal 410, or when 'not found' pages wrongly return 200.
- robots.txt basics: what it does and what it cannot do
robots.txt is a plain-text file at your site root that tells compliant crawlers which paths they may request. This page covers the directives, how user-agent groups are matched, and the limits that trip people up: robots.txt is advisory, it does not hide pages from search, and it is not a security boundary.
- Googlebot Smartphone — Google's mobile-first crawler
Googlebot Smartphone is the mobile user-agent variant of Googlebot and, under mobile-first indexing, Google's primary crawler for most sites. It uses the Googlebot robots.txt token and can be verified through reverse DNS and Google's published crawler IP ranges.
- Website observability
See the status codes your traffic and crawlers receive.
Sources and verification notes
Last reviewed 2026-06-24. Facts are checked against primary/official sources where available; uncertain specifics are marked “Data not yet verified” rather than guessed.