What powers 
sciup.org?
Last seen Sep 2026 · 5 technologies across 4 categories
Analytics
JavaScript libraries
Programming languages
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 55% desktop
- 43% phone
- 2% tablet
Russia
Germany
United States
Uzbekistan
Belarus
Kazakhstan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.71 / 10 · ranked #304,942 of all domains
111 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.6 MB · 36 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on DATACHEAP-LLC-AS (195.211.101.220)
- DNS: topdns.com
- Email: sciup.org
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 39,382
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected PHP Sep 2026