What powers superlib.com?
Last seen May 2026 · 6 technologies across 5 categories
Analytics
Baidu Analytics (百度统计)
since Nov 2022
JavaScript frameworks
JavaScript libraries
Programming languages
Java
since Aug 2017
Web Servers
Tengine
since Aug 2017
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
4.08 / 10 · ranked #515,440 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Registered Mar 2006 (20 years) via Alibaba Cloud Computing (Beijing) Co., Ltd., renews Mar 2027
- Hosted on CHINA169-BJ - China Unicom Beijing Province Network (140.210.72.177)
- DNS: 5read.com
- Email: 263xmail.com
- Email security: no SPF record, no DMARC record
- SSL: WoTrus, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 14,038,482, 17 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| pro.superlib.com | 5 |
| ssvideo.superlib.com | 5 |
| www.superlib.com | 3 |
Full technology history →
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Recent changes
- dropped VideoJS Feb 2026