What powers otevrito.cz?
Last seen Sep 2026 · 13 technologies across 13 categories
Advertising
Google AdSense
since Aug 2018
Analytics
Google Analytics
since Aug 2018
Authentication
Facebook Login
since Jul 2021
Cookie compliance
Funding Choices
since Oct 2023
Font scripts
Google Font API
since Dec 2025
Miscellaneous
PWA
since Aug 2022
Performance
Priority Hints
since Sep 2026
Programming languages
PHP
since Aug 2018
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Bootstrap
since Aug 2018
Web frameworks
Nette Framework
since Aug 2018
Web servers
Apache HTTP Server
since Aug 2018
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
- 62% phone
- 33% desktop
- 5% tablet
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,672,873 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 175 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.3 MB · 79 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on WEDOS (46.28.105.78, IPv6)
- DNS: wedos.com
- Email: wedos.net
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 16,292,147, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Sep 2026
- dropped Cloudflare Bot Management Sep 2026
- detected Priority Hints Sep 2026
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected Google Font API Dec 2025
- dropped Snowplow Analytics Nov 2025