What powers 
cerva.com?
Last seen Apr 2026 · 30 technologies across 16 categories
Advertising
Google AdSense
since Feb 2026
Analytics
Authentication
Facebook Login
since Jul 2021
Cookie compliance
Cookie Script
since Feb 2026
Microsoft 365
since Aug 2022
Sendgrid
since Feb 2026
Font Scripts
Google Font API
since May 2019
Issue trackers
Sentry
since Sep 2021
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
Webpack
since Sep 2021
Programming languages
Security
Tag Managers
Google Tag Manager
since Oct 2017
UI frameworks
Web Frameworks
Nette Framework
since Oct 2017
Web Servers
Apache HTTP Server
since Oct 2017
Nginx
since Jul 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 checked
- ai.txt not checked
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.87 / 10 · ranked #673,642 of all domains
67 referring domains · OpenPageRank
Infrastructure
- Hosted on BLUETONE-AS The Czech Republic (82.99.162.113)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 12,321,281, 6 hosts
- Verified with: Google, Meta Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.cerva.com | 15 |
| catalogue.cerva.com | 10 |
| sutaz.cerva.com | 9 |
| b2b.cerva.com | 8 |
Full technology history →
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Recent changes
- detected jQuery Migrate Apr 2026
- dropped Intercom Mar 2026