CrawlCheck
Glossary · Crawlers and access

challenge page at 200

A bot-protection interstitial returned with a success status.

What challenge page at 200 does not show

Any validator that trusts the status code records the file as present and readable when nothing readable was served.

How CrawlCheck measures challenge page at 200

2 finding codes measure it. Each one’s share of all scans is computed from the live corpus when this page is served, not typed into it.

Finding codeShare of scansGuide
CHALLENGE_SERVED_2000.3%Is Cloudflare blocking AI crawlers on your site?
CHALLENGE_PINNED_AT_EDGE0.2%Is Cloudflare blocking AI crawlers on your site?

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

Definitions that name challenge page at 200

bot management platform

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 · uniform refusal · nonexistent-path control · blocked render resource · off-host redirect · homepage refused · 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 challenge page at 200

What is challenge page at 200?

A bot-protection interstitial returned with a success status.

What does challenge page at 200 not show or guarantee?

Any validator that trusts the status code records the file as present and readable when nothing readable was served.

How does CrawlCheck measure challenge page at 200?

Through the finding codes CHALLENGE_SERVED_200, CHALLENGE_PINNED_AT_EDGE, each with a stated rule, evidence bytes and a live share of scans on the dataset page.

Which area of the glossary does challenge page at 200 belong to?

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

← cloaking  ·  uniform refusal →

See it in the full glossary · 772 terms across 19 areas.

Free browser extension

See this on any site you visit, in one click.

CrawlCheck for Chrome grades every site you visit A–F and shows, from your own browser, what search engines and AI assistants are actually served. Free, no account.