What powers u51.com?
Last seen Feb 2023 · 10 technologies across 7 categories
Analytics
Baidu Analytics (百度统计)
since Aug 2022
Google Analytics
since Aug 2018
JavaScript Frameworks
JavaScript Libraries
Miscellaneous
Webpack
since Jul 2018
Programming languages
C
since Feb 2023
Tag managers
Google Tag Manager
since Aug 2018
Web servers
Nginx
since Apr 2018
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
Open Page Rank
3.47 / 10 · ranked #920,571 of all domains
17 referring domains · OpenPageRank
Infrastructure
- Hosted on CT-HANGZHOU-IDC No.288,Fu-chun Road (115.238.124.137)
- Email: no MX record returned
- Email security: SPF (hard fail)
- SSL: WoTrus, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 7,806,732, 11 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| web.u51.com | 7 |
| www.u51.com | 5 |
| credit.u51.com | 3 |
| job.u51.com | 3 |
| m.u51.com | 3 |