What powers 
chinairn.com?
Last seen Sep 2026 · 7 technologies across 4 categories
JavaScript libraries
Operating Systems
Windows Server
since Jun 2018
Web frameworks
Microsoft ASP.NET
since Jan 2016
Web Servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
United States
China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.70 / 10 · ranked #136,436 of all domains
171 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.2 MB · 87 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered Oct 2004 (22 years) via Alibaba Cloud Computing (Beijing) Co., Ltd., renews Oct 2030
- Hosted on CHINANET-IDC-GD China Telecom Group (103.39.220.186)
- DNS: dnsv3.com
- Email: Tencent Exmail
- Email security: SPF (soft fail), no DMARC record
- SSL: Beijing Xinchacha Credit Management Co., Ltd., RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 480,147, 56 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| m.chinairn.com | 5 |
| www.chinairn.com | 4 |
| finance.chinairn.com | 3 |
Full technology history →
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Recent changes
- dropped Bootstrap May 2026