What powers sktelc.cz?
Last seen Oct 2026 · 16 technologies across 10 categories
CDN
cdnjs
since Jan 2022
Cloudflare
since May 2022
Font scripts
JavaScript libraries
Photo galleries
Programming languages
PHP
since Jan 2022
Rich text editors
CKEditor
since Oct 2020
Security
reCAPTCHA
since Jul 2025
UI frameworks
Animate.css
since Apr 2019
Web frameworks
CodeIgniter
since Jan 2022
Web servers
Nginx
since Apr 2019
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
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.03 / 10 · ranked #3,515,461 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 3.2 MB · 73 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CASABLANCA-AS Internet & Collocation Provider (81.0.206.125)
- DNS: forpsi.cz
- Email: forpsi.com
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 16,295,960, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
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