What powers 
ldu.edu.cn?
Last seen Oct 2026 · 16 technologies across 8 categories
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Programming languages
Adobe Flash
since Nov 2022
Java
since Oct 2022
Security
HSTS
since Feb 2024
UI frameworks
Animate.css
since Feb 2024
Web servers
Nginx
since Jun 2016
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
United States
China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.17 / 10 · ranked #467,278 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 24.8 MB · 113 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Ludong University
- Country: People's Republic of China
From Wikidata (CC0).
Infrastructure
- Email: no MX record returned, SPF names Tencent Exmail
- Email security: SPF (soft fail), DMARC reject
- Common Crawl link graph: rank 555,158, 131 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ldu.edu.cn | 6 |
| authserver.ldu.edu.cn | 5 |
| lxs.ldu.edu.cn | 5 |
| ehall.ldu.edu.cn | 4 |
| jwc.ldu.edu.cn | 4 |
| vpn.ldu.edu.cn | 4 |
| chem.ldu.edu.cn | 3 |
| libopac.ldu.edu.cn | 3 |
| nxy.ldu.edu.cn | 3 |
| rsh.ldu.edu.cn | 3 |
| zs.ldu.edu.cn | 3 |
| www.grad.ldu.edu.cn | 2 |
| www.rsh.ldu.edu.cn | 2 |
| english.ldu.edu.cn | 1 |