What powers 
kolping.cz?
Last seen Sep 2026 · 36 technologies across 19 categories
Analytics
Google Analytics
since Jul 2021
Authentication
Facebook Login
since Mar 2022
CDN
Google Hosted Libraries
since Aug 2022
CMS
Databases
MySQL
since Jul 2021
Font scripts
Twitter Emoji (Twemoji)
since Jul 2021
JavaScript frameworks
JavaScript libraries
OWL Carousel
since Jul 2021
prettyPhoto
since Jul 2021
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Aug 2023
Programming languages
Security
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Nov 2024
Tag managers
Google Tag Manager
since Jul 2021
UI frameworks
Tailwind CSS
since Nov 2024
Video players
YouTube
since Jan 2025
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Polylang
since Aug 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.56 / 10 · ranked #837,536 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 6.2 MB · 111 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Kolping.cz
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on PE3NY-AS (37.44.16.231)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,372,486, 20 hosts
- Verified with: Brevo, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ambulance.kolping.cz | 27 |
| www.tksejrek.kolping.cz | 20 |
| www.kolping.cz | 19 |
| www.poradenske.centrum.kolping.cz | 17 |
| www.naslednapece.kolping.cz | 16 |
| rss.kolping.cz | 5 |
| www.spektrum.kolping.cz | 5 |
Full technology history →
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Recent changes
- detected Polylang Aug 2026
- detected Twitter Emoji (Twemoji) Dec 2025