What powers vymeniky-tepla.cz?
Last seen Sep 2026 · 3 technologies across 3 categories
Ecommerce
Cart Functionality
since Nov 2021
UI frameworks
Pure CSS
since Jul 2020
Web servers
Apache HTTP Server
since Oct 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 65% desktop
- 35% phone
Slovakia
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.84 / 10 · ranked #4,123,107 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.3 MB · 17 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Výměníky tepla Ostrava
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (89.185.251.41)
- DNS: wedos.com
- Email: Seznam Email
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 62,158,390, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped HTTP/3 Jun 2026
- dropped Nginx Jun 2026
- detected Apache HTTP Server May 2026
- detected HTTP/3 Apr 2026