What powers marekrybar.cz?
Last seen Aug 2026 · 32 technologies across 19 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Payment processors
Performance
Programming languages
Security
Web servers
Widgets
WordPress plugins
WordPress themes
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
AI Crawlers
No AI crawlers blocked
Audience
- 82% phone
- 18% desktop
Czechia
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.69 / 10 · ranked #5,043,258 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.6 MB · 106 requests
- WordPress theme: astra (child: astra-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Marek Rybář
- Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on 20i (185.151.30.156, IPv6)
- Email: 20i
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 26,128,843, 2 hosts
- Verified with: Brevo
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 Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- dropped Elementor Jun 2026
- dropped PhotoSwipe Jun 2026
- dropped Underscore.js Jun 2026
- detected WooCommerce PayPal Payments Jun 2026
- dropped Font Awesome May 2026
- dropped Isotope May 2026
- detected Babel Apr 2026
- dropped Cloudflare Apr 2026
- dropped Cloudflare Bot Management Apr 2026
- detected PhotoSwipe Apr 2026
- detected Sendinblue Apr 2026
- dropped PhotoSwipe Mar 2026
- detected Cloudflare Nov 2025
- detected Cloudflare Bot Management Nov 2025
- detected PhotoSwipe Oct 2025
- dropped W3 Total Cache Oct 2025