What powers ctrlv.cz?
Last seen Nov 2023 · 23 technologies across 14 categories
Advertising
Criteo
since Oct 2022
Google Publisher Tag
since Jul 2021
ID5
since Oct 2023
OpenX
since Oct 2022
Prebid
since Oct 2022
Analytics
Google Analytics
since Jun 2018
Snowplow Analytics
since Oct 2022
CDN
jsDelivr
since Feb 2023
Font Scripts
Google Font API
since May 2017
JavaScript Frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Security
reCAPTCHA
since May 2022
Tag managers
Google Tag Manager
since May 2019
UI frameworks
Tailwind CSS
since May 2022
Web Servers
Apache HTTP Server
since May 2017
Nginx
since May 2023
Widgets
Facebook
since Jun 2018
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 78% desktop
- 22% phone
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.59 / 10 · ranked #69,732 of all domains
123 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Registered Mar 2014 (12 years), renews Mar 2027
- Hosted on WEDOS (46.28.106.70)
- DNS: Cloudflare DNS
- Email: wedos.net
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 426,819, 4 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ctrlv.cz | 17 |
| beta.ctrlv.cz | 9 |
| www.ctrlv.cz | 6 |