What powers expert-dev.cz?
Last seen Oct 2026 · 10 technologies across 9 categories
CDN
jsDelivr
since Mar 2026
JavaScript libraries
Swiper
since Sep 2022
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Jul 2024
Programming languages
PHP
since Jul 2022
Tag managers
Google Tag Manager
since Jul 2022
UI frameworks
Tailwind CSS
since Mar 2026
Web frameworks
Web servers
Nginx
since Jul 2022
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
- 68% desktop
- 32% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.34 / 10 · ranked #1,072,045 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 13.6 MB · 139 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (194.182.85.22)
- DNS: savana.cz
- Email: savana.cz
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- Common Crawl link graph: rank 26,908,593, 5 hosts
- Verified with: Google
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Sep 2026
- dropped Facebook Pixel Sep 2026
- dropped Google Analytics Sep 2026
- dropped Microsoft Clarity Sep 2026
- detected Microsoft Clarity May 2026
- dropped Ant Design Apr 2026
- dropped Complianz Apr 2026
- dropped Draftpress HFCM Apr 2026
- dropped Elementor Apr 2026
- dropped Elementor Header & Footer Builder Apr 2026
- dropped Google Font API Apr 2026
- dropped Hello Elementor Apr 2026
- dropped HSTS Apr 2026
- dropped jQuery Apr 2026
- dropped jQuery Migrate Apr 2026
- dropped jQuery UI Apr 2026
- dropped Microsoft Clarity Apr 2026
- dropped MySQL Apr 2026
- dropped OWL Carousel Apr 2026
- dropped React Apr 2026
- dropped RSS Apr 2026
- dropped TablePress Apr 2026
- dropped WordPress Apr 2026
- dropped WP Rocket Apr 2026
- dropped Yoast SEO Apr 2026
- detected jsDelivr Mar 2026
- detected Laravel Mar 2026
- detected Livewire Mar 2026
- detected Tailwind CSS Mar 2026