What powers sdei.edu.cn?
Last seen Sep 2026 · 30 technologies across 13 categories
Analytics
CMS
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
UI frameworks
Web frameworks
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
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
No robots.txt, all AI crawlers allowed
Audience
- 93% desktop
- 7% phone
United States
China
Japan
Singapore
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.32 / 10 · ranked #185,516 of all domains
186 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.0 MB · 59 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: sdei.edu.cn
- Email: netease.com
- Email security: SPF (hard fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 6,981,298, 40 hosts
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cxcy.sdei.edu.cn | 15 |
| sdbe.sdei.edu.cn | 8 |
| zyjy.sdei.edu.cn | 8 |
| sdxszz.sdei.edu.cn | 7 |
| szpj.sdei.edu.cn | 6 |
| www.sdei.edu.cn | 6 |
| sdskills.sdei.edu.cn | 5 |
| gxjy.sdei.edu.cn | 4 |
| sdxszz-kns.sdei.edu.cn | 3 |
| kcds.sdei.edu.cn | 2 |
Full technology history →
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Recent changes
- detected Vue.js Jun 2026