What powers nacr.cz?
Last seen Jun 2026 · 41 technologies across 22 categories
Advertising
Analytics
CMS
Databases
Documentation
Editors
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Photo galleries
Programming languages
Rich text editors
Security
SEO
UI frameworks
Web frameworks
Web server extensions
Web servers
Widgets
WordPress plugins
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| rudolf slansky | #12 | 1 |
| slansky trial | #11 | 1 |
| jana tg list | #7 | 1 |
| czech national library prague | #73 | 1 |
| z cz z | #50 | 0 |
| eskoslovensk | #76 | 0 |
| charta 77 | #38 | 0 |
| archivy | #30 | 0 |
| autory | #47 | 0 |
| slnsk | #11 | 0 |
| state regional archives in prague | #14 | 0 |
| subcarpathian genealogy | #64 | 0 |
| national archives catalogue | #25 | 0 |
| national library in prague | #59 | 0 |
| northern subcarpathian | #63 | 0 |
| peet | #78 | 0 |
| political events of the 1950s | #91 | 0 |
| pravda vitezi | #66 | 0 |
| jana tg list | #29 | 0 |
| medaile za zsluhy | #59 | 0 |
| medaile za zsluhy | #17 | 0 |
| milada horkov | #64 | 0 |
| milada horakova | #57 | 0 |
| digital research room | #42 | 0 |
| czech room | #44 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.58 / 10 · ranked #70,955 of all domains
353 referring domains · OpenPageRank
Search traffic
4 est. monthly organic visits (US)
26 keywords in Google's top 30
Core Web Vitals
| LCP | 3.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 3300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 6.2 MB · 53 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| test.nacr.cz | 15 |
| www.nacr.cz | 14 |
| kramerius.nacr.cz | 12 |
| old2.nacr.cz | 11 |
| portaltest.nacr.cz | 9 |
| knihovna.nacr.cz | 8 |
| portaltestold.nacr.cz | 8 |
| digitalnibadatelna.nacr.cz | 7 |
| vademecum.nacr.cz | 6 |
| old.nacr.cz | 5 |
| cam.nacr.cz | 4 |
| digi.nacr.cz | 4 |
| projekty.nacr.cz | 4 |
| web.nacr.cz | 3 |
Full technology history →
Report an incorrect detection