What powers keramikum.cz?
Last seen Oct 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Dec 2020
Authentication
Facebook Login
since Jun 2021
Mailgun
since Aug 2022
Font scripts
Google Font API
since Dec 2020
JavaScript libraries
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Sep 2022
Programming languages
PHP
since Dec 2020
Rich text editors
Security
reCAPTCHA
since Dec 2020
UI frameworks
Web frameworks
Web servers
Nginx
since Apr 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.61 / 10 · ranked #5,611,887 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.0 MB · 34 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on IGNUM-AS Czech Republic (62.109.154.161)
- DNS: webglobe.cz
- Email: webglobe.cz
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 13,509,533, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| keramikum.cz | 19 |
| www.keramikum.cz | 19 |
Full technology history →
Report an incorrect detection