What powers sleepcentrum.cz?
Last seen Aug 2026 · 22 technologies across 12 categories
Analytics
Authentication
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Tag managers
UI frameworks
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Sep 2026 Content Signals changed
AI Crawlers
No AI crawlers blocked
Standards: Content Signals
Audience
- 76% phone
- 21% desktop
- 4% tablet
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.12 / 10 · ranked #1,392,435 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.0 MB · 110 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SHOPTET (185.184.254.10)
- DNS: regzone.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: ZeroSSL, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 13,193,683, 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
- detected Bootstrap Jul 2026
- detected Cart Functionality Jul 2026
- detected core-js Jul 2026
- detected Facebook Login Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected Gravatar Jul 2026
- detected HTTP/3 Jul 2026
- detected jQuery Jul 2026
- detected jQuery UI Jul 2026
- detected Microsoft 365 Jul 2026
- detected Microsoft Clarity Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected OpenResty Jul 2026
- detected PHP Jul 2026
- detected Priority Hints Jul 2026
- detected PWA Jul 2026
- detected Shoptet Jul 2026
- detected Slick Jul 2026
- detected Snowplow Analytics Jul 2026
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- detected Cart Functionality Apr 2026
- dropped Cart Functionality Feb 2026
- dropped Google Analytics Enhanced eCommerce Feb 2026