blocked render resource
A stylesheet or script the homepage references that the site's own robots.txt disallows to every crawler. A rendering crawler obeys the rule and draws the page without it, so layout and any script-inserted content are judged from a page the site never intended to show.
What blocked render resource does not show
Reported as RENDER_RESOURCE_BLOCKED from the * group only.
How CrawlCheck measures blocked render resource
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 code | Share of scans | Guide |
|---|---|---|
RENDER_RESOURCE_BLOCKED | 2.3% | Do AI crawlers and agents render JavaScript? |
Every code, its rule and its current rate: the dataset page. Scan a site to see which apply to it.
Terms this definition uses
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 · 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 blocked render resource
What is blocked render resource?
A stylesheet or script the homepage references that the site's own robots.txt disallows to every crawler. A rendering crawler obeys the rule and draws the page without it, so layout and any script-inserted content are judged from a page the site never intended to show.
What does blocked render resource not show or guarantee?
A rendering crawler obeys the rule and draws the page without it, so layout and any script-inserted content are judged from a page the site never intended to show. Reported as RENDER_RESOURCE_BLOCKED from the * group only.
How does CrawlCheck measure blocked render resource?
Through the finding code RENDER_RESOURCE_BLOCKED, each with a stated rule, evidence bytes and a live share of scans on the dataset page.
Which area of the glossary does blocked render resource belong to?
Crawlers and access: Who is fetching, whether they are who they claim, and what your rules actually permit.
← nonexistent-path control · off-host redirect →
See it in the full glossary · 731 terms across 19 areas.