What powers michaljezek.cz?
Last seen Sep 2026 · 33 technologies across 19 categories
A/B Testing
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.24 / 10 · ranked #3,005,006 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 6.9 MB · 245 requests
- WordPress theme: avada · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SATT-AS (31.31.225.93)
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 29,969,899, 2 hosts
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
- dropped core-js Jul 2026
- dropped Google Analytics Enhanced eCommerce Jul 2026
- detected Google Tag Manager for WordPress Jul 2026
- dropped Site Kit Jul 2026
- dropped YouTube Jul 2026
- dropped Facebook Pixel Jun 2026
- detected Site Kit May 2026
- detected YouTube May 2026
- dropped Smartsupp Nov 2025