Tranco rank 4,824
cadenaser.com
cadenaser.com scores 57 out of 100 for agent readiness. It blocks 5 of 11 answer-surface AI crawlers.
Score 57 out of 100, grade D
- Last measured
- 2026-08-09 17:59 UTC
- First seen
- 2026-08-09
- Rubric / probe
- v1.0.0 / v2.0.0
How this score is made up
Agent access28.1 / 45
- Answer-surface crawlers allowed. 5 of 11 blocked: ClaudeBot, Claude-User, Claude-SearchBot, PerplexityBot, Perplexity-User.
- Secondary crawlers allowed. 5 of 12 blocked: CCBot, Amazonbot, Bytespider, MistralAI-User, DuckAssistBot.
- Serves crawlers the same content. A crawler and a browser receive comparable responses.
Machine-readable surface3 / 25
- robots.txt published. robots.txt is present and parseable.
- Sitemap declared in robots.txt. robots.txt does not declare a sitemap.
- llms.txt published. No /llms.txt.
- agents.md published. No /agents.md.
Content structure26 / 30
- Organization schema. Organization JSON-LD lets an agent resolve who publishes this site.
- WebSite schema. No WebSite JSON-LD.
- Additional structured data. Also declares: ItemList.
- Readable without JavaScript. 13,106 characters of text in the server response. Most crawlers do not execute JavaScript.
- Single top-level heading. 1 h1 element found.
- Semantic landmarks. Uses main, nav, header, footer, article, aside.
Crawler policy
Read from cadenaser.com/robots.txt. A crawler is listed as blocked when the rules deny it the site root. This operator names 10 AI crawlers explicitly, which means the policy is deliberate rather than inherited from a wildcard rule.
| Crawler | Operator | Tier | Named | Status |
|---|---|---|---|---|
| GPTBot | OpenAI | 1 | no | Allowed |
| OAI-SearchBot | OpenAI | 1 | no | Allowed |
| ChatGPT-User | OpenAI | 1 | no | Allowed |
| ClaudeBot | Anthropic | 1 | yes | Blocked |
| Claude-User | Anthropic | 1 | yes | Blocked |
| Claude-SearchBot | Anthropic | 1 | yes | Blocked |
| PerplexityBot | Perplexity | 1 | yes | Blocked |
| Perplexity-User | Perplexity | 1 | yes | Blocked |
| Google-Extended | 1 | no | Allowed | |
| Applebot-Extended | Apple | 1 | no | Allowed |
| meta-externalagent | Meta | 1 | no | Allowed |
| CCBot | Common Crawl | 2 | yes | Blocked |
| Amazonbot | Amazon | 2 | yes | Blocked |
| Bytespider | ByteDance | 2 | yes | Blocked |
| cohere-ai | Cohere | 2 | no | Allowed |
| MistralAI-User | Mistral | 2 | yes | Blocked |
| YouBot | You.com | 2 | no | Allowed |
| DuckAssistBot | DuckDuckGo | 2 | yes | Blocked |
| kagi-fetcher | Kagi | 2 | no | Allowed |
| Diffbot | Diffbot | 2 | no | Allowed |
| Google-NotebookLM | 2 | no | Allowed | |
| TavilyBot | Tavily | 2 | no | Allowed |
| FirecrawlAgent | Firecrawl | 2 | no | Allowed |
Show this score
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<a href="https://crawlindex.org/site/cadenaser.com"><img src="https://crawlindex.org/badge/cadenaser.com.svg" alt="CrawlIndex agent readiness score for cadenaser.com" width="196" height="28"></a>Using these figures
Free to reuse in research, journalism or a product under CC BY 4.0, with credit to Fidget Labs BV. Quote the measurement date so the claim stays checkable as the index moves.
CrawlIndex by Fidget Labs BV. "cadenaser.com agent readiness." https://crawlindex.org (measured 2026-08-09). Licensed CC BY 4.0.