What powers 
crntt.com?
Last seen Oct 2026 · 2 technologies across 2 categories
Programming languages
Web servers
AI Crawlers
Restricts 1 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- ClaudeBot Restricted
The other 32 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
1 of 33 AI crawlers restricted
Audience
- 61% phone
- 37% desktop
- 2% tablet
United States
Taiwan
Hong Kong SAR China
Japan
China
Australia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.56 / 10 · ranked #151,206 of all domains
249 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: ChinaNetCenter
- Weight: 1.5 MB · 50 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Nov 2013 (12 years) via Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn), renews Nov 2029
- Hosted on HENDERSON-HK Towngas Telecommunications Fixed Network Ltd (49.213.0.194)
- DNS: atrustdns.com
- Email: crntt.com
- Email security: SPF (soft fail), DMARC reject
- SSL: DigiCert, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 449,278, 15 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bj.crntt.com | 2 |
| gb.crntt.com | 2 |
| hk.crntt.com | 2 |
| www.crntt.com | 2 |
| gbb.crntt.com | 1 |
| hk1.crntt.com | 1 |