What powers nusl.cz?
Last seen Aug 2026 · 14 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
Matomo Analytics
since Mar 2022
CDN
Cloudflare
since Aug 2022
jQuery CDN
since Aug 2022
DMS
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
Java
since Feb 2020
Security
Cloudflare Bot Management
since Aug 2022
Web servers
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
2 of 33 AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.87 / 10 · ranked #259,924 of all domains
90 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.2 MB · 14 requests
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| nusl.cz | 9 |
| invenio.nusl.cz | 6 |