What powers sidas.cz?
Last seen Oct 2026 · 16 technologies across 13 categories
Analytics
Google Analytics
since Mar 2020
Ecommerce
Cart Functionality
since Jul 2022
Font scripts
Google Font API
since Mar 2020
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Jul 2022
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Mar 2020
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Nette Framework
since Jul 2022
Web servers
Widgets
Elfsight
since Jun 2024
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 67% phone
- 33% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.31 / 10 · ranked #1,117,281 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.5 MB · 40 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Linode (Akamai) (172.104.147.27)
- DNS: forpsi.cz
- Email: Seznam Email
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 10,031,925, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Tag Manager Oct 2026
- detected Debian Jun 2026