Tranco rank 3,431
chron.com
chron.com scores 37 out of 100 for agent readiness. It blocks 6 of 11 answer-surface AI crawlers.
Score 37 out of 100, grade F
- Last measured
- 2026-08-09 18:00 UTC
- First seen
- 2026-08-09
- Rubric / probe
- v1.0.0 / v2.0.0
Served through Fastly. Compare against everything else on the same stack.
How this score is made up
Agent access24.6 / 45
- Answer-surface crawlers allowed. 6 of 11 blocked: ClaudeBot, Claude-User, PerplexityBot, Perplexity-User, Google-Extended, Applebot-Extended.
- Secondary crawlers allowed. 6 of 12 blocked: CCBot, Bytespider, cohere-ai, YouBot, DuckAssistBot, Diffbot.
- Serves crawlers the same content. A crawler and a browser receive comparable responses.
Machine-readable surface8 / 25
- robots.txt published. robots.txt is present and parseable.
- Sitemap declared in robots.txt. robots.txt points crawlers at a sitemap.
- llms.txt published. No /llms.txt.
- agents.md published. No /agents.md.
Content structure4 / 30
- Organization schema. No Organization JSON-LD. Agents cannot reliably attribute this site to an entity.
- WebSite schema. No WebSite JSON-LD.
- Additional structured data. No further JSON-LD types on the homepage.
- Readable without JavaScript. 226 characters of text in the server response. Most crawlers do not execute JavaScript.
- Single top-level heading. 0 h1 elements found.
- Semantic landmarks. No semantic landmark elements found.
Crawler policy
Read from chron.com/robots.txt. A crawler is listed as blocked when the rules deny it the site root. This operator names 12 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 | no | Allowed |
| PerplexityBot | Perplexity | 1 | yes | Blocked |
| Perplexity-User | Perplexity | 1 | yes | Blocked |
| Google-Extended | 1 | yes | Blocked | |
| Applebot-Extended | Apple | 1 | yes | Blocked |
| meta-externalagent | Meta | 1 | no | Allowed |
| CCBot | Common Crawl | 2 | yes | Blocked |
| Amazonbot | Amazon | 2 | no | Allowed |
| Bytespider | ByteDance | 2 | yes | Blocked |
| cohere-ai | Cohere | 2 | yes | Blocked |
| MistralAI-User | Mistral | 2 | no | Allowed |
| YouBot | You.com | 2 | yes | Blocked |
| DuckAssistBot | DuckDuckGo | 2 | yes | Blocked |
| kagi-fetcher | Kagi | 2 | no | Allowed |
| Diffbot | Diffbot | 2 | yes | Blocked |
| Google-NotebookLM | 2 | no | Allowed | |
| TavilyBot | Tavily | 2 | no | Allowed |
| FirecrawlAgent | Firecrawl | 2 | no | Allowed |
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<a href="https://crawlindex.org/site/chron.com"><img src="https://crawlindex.org/badge/chron.com.svg" alt="CrawlIndex agent readiness score for chron.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. "chron.com agent readiness." https://crawlindex.org (measured 2026-08-09). Licensed CC BY 4.0.