What powers sedlacek-karcher.cz?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
Font scripts
Typekit
since Nov 2021
JavaScript libraries
Live chat
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Nov 2021
Operating systems
Debian
since Nov 2021
Programming languages
PHP
since Sep 2021
Security
reCAPTCHA
since Nov 2021
Tag managers
Google Tag Manager
since Dec 2021
Web frameworks
Nette Framework
since Jan 2023
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 68% phone
- 32% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.19 / 10 · ranked #3,124,860 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.7 MB · 97 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sedláček s.r.o.
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ZONER-AS (217.198.122.156)
- DNS: forpsi.cz
- Email: sedlacek-karcher.cz
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- Common Crawl link graph: rank 16,410,104, 2 hosts
- Verified with: Meta Business
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cart Functionality Sep 2026
- detected Swiper Sep 2026