Tranco rank 407
163.com
163.com scores 52 out of 100 for agent readiness. It allows every answer-surface AI crawler.
Score 52 out of 100, grade D
- Last measured
- 2026-08-09 17:55 UTC
- First seen
- 2026-08-09
- Rubric / probe
- v1.0.0 / v2.0.0
Served through Alibaba Cloud CDN. Compare against everything else on the same stack.
Stated policy and actual behaviour disagree
robots.txt permits GPTBot, but the server refused it with HTTP 403. The stated policy and the actual behaviour disagree.
How this score is made up
Agent access38 / 45
- Answer-surface crawlers allowed. All 11 answer-surface crawlers are allowed.
- Secondary crawlers allowed. All 12 secondary crawlers are allowed.
- Serves crawlers the same content. Requesting as GPTBot returned HTTP 403 and 311 bytes, against 244,591 bytes for a browser.
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 structure11 / 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. 9,493 characters of text in the server response. Most crawlers do not execute JavaScript.
- Single top-level heading. 1 h1 element found.
- Semantic landmarks. No semantic landmark elements found.
Crawler policy
Read from 163.com/robots.txt. A crawler is listed as blocked when the rules deny it the site root. This operator names no AI crawler explicitly.
| 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 | no | Allowed |
| Claude-User | Anthropic | 1 | no | Allowed |
| Claude-SearchBot | Anthropic | 1 | no | Allowed |
| PerplexityBot | Perplexity | 1 | no | Allowed |
| Perplexity-User | Perplexity | 1 | no | Allowed |
| Google-Extended | 1 | no | Allowed | |
| Applebot-Extended | Apple | 1 | no | Allowed |
| meta-externalagent | Meta | 1 | no | Allowed |
| CCBot | Common Crawl | 2 | no | Allowed |
| Amazonbot | Amazon | 2 | no | Allowed |
| Bytespider | ByteDance | 2 | no | Allowed |
| cohere-ai | Cohere | 2 | no | Allowed |
| MistralAI-User | Mistral | 2 | no | Allowed |
| YouBot | You.com | 2 | no | Allowed |
| DuckAssistBot | DuckDuckGo | 2 | no | Allowed |
| 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 |
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<a href="https://crawlindex.org/site/163.com"><img src="https://crawlindex.org/badge/163.com.svg" alt="CrawlIndex agent readiness score for 163.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. "163.com agent readiness." https://crawlindex.org (measured 2026-08-09). Licensed CC BY 4.0.