What powers 
join-tsinghua.edu.cn?
Last seen Aug 2026 · 15 technologies across 5 categories
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
UI frameworks
Bootstrap
since May 2019
Element UI
since Jan 2023
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
- 57% desktop
- 43% phone
Indonesia
India
United States
Hong Kong SAR China
Russia
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.65 / 10 · ranked #786,241 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 9.5 MB · 58 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ERX-CERNET-BKB China Education and Research Network Center (101.6.15.66, IPv6)
- DNS: tsinghua.edu.cn
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 4096, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,189,426, 10 hosts
- Verified with: GlobalSign
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| admission.join-tsinghua.edu.cn | 7 |
| gat.join-tsinghua.edu.cn | 7 |
| bk.join-tsinghua.edu.cn | 3 |
| international.join-tsinghua.edu.cn | 3 |
| join-tsinghua.edu.cn | 3 |
| m.join-tsinghua.edu.cn | 3 |
| www.join-tsinghua.edu.cn | 3 |