What powers iap.ac.cn?
Last seen Aug 2026 · 14 technologies across 6 categories
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Oct 2025
Web frameworks
Web Servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 66% phone
- 34% desktop
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.51 / 10 · ranked #879,720 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| CLS | 0.15 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 2.3 MB · 5 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS (159.226.119.27)
- DNS: cstnet.cn
- Email: iap.ac.cn
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 4096, wildcard, expires Nov 2026
- Common Crawl link graph: rank 766,187, 31 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ocean.iap.ac.cn | 8 |
| earthlab.iap.ac.cn | 5 |
| www.iap.ac.cn | 2 |
| view.iap.ac.cn | 1 |