What powers 
s-ic.cz?
Last seen Sep 2026 · 40 technologies across 21 categories
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting panels
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
SEO
Tag managers
Video players
Web servers
Webmail
WordPress plugins
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- Perplexity-User Allowed
The other 23 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 claudebot added to robots.txt
- Aug 2026 chatgpt-user added to robots.txt
- Aug 2026 claude-searchbot added to robots.txt
- Aug 2026 claude-user added to robots.txt
- Aug 2026 perplexitybot added to robots.txt
- Aug 2026 google-extended added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 78% desktop
- 22% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.95 / 10 · ranked #251,802 of all domains
113 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 15.5 MB · 146 requests
- WordPress theme: unifer-sic · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ONE-NETWORK (185.102.21.32, IPv6)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,344,945, 7 hosts
- Verified with: Google, Meta Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| s-ic.cz | 32 |
| konference.s-ic.cz | 18 |
| kreativnivouchery.s-ic.cz | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Yoast SEO Premium Sep 2026
- dropped Cart Functionality Jul 2026
- dropped Albacross Apr 2026
- dropped Apache HTTP Server Apr 2026
- dropped Contact Form 7 Apr 2026
- dropped Lightbox Apr 2026
- dropped Popup Maker Apr 2026
- dropped PWA Apr 2026
- dropped Responsive Lightbox & Gallery Apr 2026
- dropped Underscore.js Apr 2026
- dropped WordPress Block Editor Apr 2026
- dropped WP Rocket Apr 2026
- detected Cart Functionality Mar 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Bot Management Mar 2026
- detected Facebook Pixel Mar 2026
- detected FancyBox Mar 2026
- detected Google Analytics Mar 2026
- detected Gravity Forms Mar 2026
- detected GSAP Mar 2026
- detected jsDelivr Mar 2026
- detected Linkedin Insight Tag Mar 2026
- detected Litespeed Cache Mar 2026
- detected Open Graph Mar 2026
- detected Swiper Mar 2026
- detected Unpkg Mar 2026
- detected web-vitals Mar 2026
- detected Yoast SEO Mar 2026
- detected YouTube Mar 2026