What powers ossp.cz?
Last seen Oct 2026 · 30 technologies across 18 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Dec 2020
CDN
Cloudflare
since Mar 2022
CMS
Databases
MySQL
since Dec 2020
Font scripts
Google Font API
since Dec 2020
JavaScript Libraries
LMS
Moodle
since Jan 2019
Miscellaneous
Operating Systems
Debian
since Jan 2019
Page builders
WordPress Block Editor
since Nov 2025
Performance
Priority Hints
since Mar 2024
Programming languages
Security
reCAPTCHA
since Dec 2020
UI frameworks
Web Servers
Webmail
Google Workspace
since Aug 2022
WordPress plugins
Popup Maker
since Nov 2025
RankMath SEO
since Nov 2022
WP Fastest Cache
since Aug 2025
WPForms
since Mar 2022
WordPress themes
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
- 72% phone
- 28% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.42 / 10 · ranked #2,646,764 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 2.1 MB · 61 requests
- WordPress theme: hestia (child: hestia-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Odborná střední škola podnikání a mediální tvorby s.r.o.
- Industry: Education (declares
HighSchool) - Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on WICNET-AS (37.77.225.37)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 31,647,162, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ossp.cz | 26 |
| moodle.ossp.cz | 5 |