CrawlCheck
Glossary · Crawlers and access

homepage refused

A homepage answering 401, 403, 429 or similar to this client while robots.txt is served normally. The machine layer stays scored; every section that needs the homepage is unmeasured rather than scored, and the report says why.

What homepage refused means

Reported as HOMEPAGE_REFUSED.

What homepage refused does not show

It is marked unconfirmed until checked from a second address, because a datacentre refusal may be about CrawlCheck rather than about crawlers.

How CrawlCheck measures homepage refused

One finding code measures it. Its share of all scans is computed from the live corpus when this page is served, not typed into it.

Finding codeShare of scansGuide
HOMEPAGE_REFUSED1.7%How to block AI crawlers and agents, and what each block costs you

Every code, its rule and its current rate: the dataset page. Scan a site to see which apply to it.

Where homepage refused comes up on this site

Terms this definition uses

robots.txt · machine layer · refusal

Related terms in Crawlers and access

Who is fetching, whether they are who they claim, and what your rules actually permit.

visitor resolve · published crawler ranges · operator origin · signed agent · agent arrival · agent conduct record · agent traffic index · user-triggered fetch exemption · retrieval crawler · user-triggered fetch · verified crawler · forged crawler identity · unverifiable · robots.txt · user-agent group · AI opt-out · Content-Signal · crawl budget · cloaking · challenge page at 200 · uniform refusal · nonexistent-path control · blocked render resource · off-host redirect · FCrDNS · Crawler trap · Conditional request · ASN blocking · operator feed · residential proxy · Google-Extended · Google-Agent · GPTBot vs OAI-SearchBot · ClaudeBot vs Claude-User · PerplexityBot vs Perplexity-User · CCBot · Bytespider · agentic traffic · crawler classification · user agent · datacenter IP · vantage point · rate limit · delivery comparison · honeypot

Questions about homepage refused

What is homepage refused?

A homepage answering 401, 403, 429 or similar to this client while robots.txt is served normally. The machine layer stays scored; every section that needs the homepage is unmeasured rather than scored, and the report says why.

What does homepage refused not show or guarantee?

The machine layer stays scored; every section that needs the homepage is unmeasured rather than scored, and the report says why. It is marked unconfirmed until checked from a second address, because a datacentre refusal may be about CrawlCheck rather than about crawlers.

How does CrawlCheck measure homepage refused?

Through the finding code HOMEPAGE_REFUSED, each with a stated rule, evidence bytes and a live share of scans on the dataset page.

Which area of the glossary does homepage refused belong to?

Crawlers and access: Who is fetching, whether they are who they claim, and what your rules actually permit.

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See it in the full glossary · 731 terms across 19 areas.