What powers cvh.ac.cn?
Last seen May 2023 · 11 technologies across 7 categories
Analytics
Google Analytics
since May 2023
Matomo Analytics
since May 2023
Editors
DreamWeaver
since May 2023
JavaScript libraries
Bootstrap Table
since May 2023
Operating systems
Windows Server
since May 2023
Programming languages
PHP
since May 2023
UI frameworks
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
United States
China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.53 / 10 · ranked #858,628 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS (159.226.89.191)
- DNS: huaweicloud-dns.cn
- Email: no MX record returned
- SSL: DigiCert, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 692,754, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted