What powers leons.cz?
Last seen Aug 2026 · 22 technologies across 16 categories
A/B Testing
Optimizely
since Apr 2019
Analytics
Google Analytics Enhanced eCommerce
since Apr 2019
Authentication
Facebook Login
since Jul 2021
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Ecommerce
Cart Functionality
since Feb 2021
Mailgun
since Aug 2022
Font scripts
Google Font API
since Apr 2019
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Programming languages
Python
since Apr 2019
Tag managers
Google Tag Manager
since Apr 2019
UI frameworks
Web frameworks
Django
since Apr 2019
Web servers
Nginx
since Apr 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 57% phone
- 43% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.04 / 10 · ranked #3,489,876 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 2.2 MB · 69 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Leons.cz
- Sector: clothing industry
- Country: Czech Republic
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Email: wedos.net
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 28,370,396, 3 hosts
- Verified with: Google, Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted