What powers periodik.cz?
Last seen Sep 2026 · 17 technologies across 13 categories
Advertising
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
UI frameworks
Web frameworks
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 83% phone
- 12% desktop
- 5% tablet
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.39 / 10 · ranked #1,019,882 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.9 MB · 97 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Panoráma křížovek
- Founded: 1980
From Wikidata (CC0).
Infrastructure
- Hosted on NGN- (85.132.189.206)
- DNS: websupport.cz
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,251,478, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.periodik.cz | 17 |
| abo.periodik.cz | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Sep 2026
- dropped Google Tag Manager Jul 2026
- detected Google Tag Manager May 2026
- dropped Google Tag Manager Apr 2026
- detected Google Tag Manager Feb 2026
- dropped Google Tag Manager Jan 2026
- detected Google Tag Manager Nov 2025