What powers walzel.cz?
Last seen Sep 2026 · 13 technologies across 7 categories
Analytics
Google Analytics
since Jan 2019
Ecommerce
Cart Functionality
since Apr 2023
Microsoft 365
since Apr 2023
SparkPost
since Aug 2022
JavaScript libraries
Miscellaneous
HTTP/3
since Jun 2026
Open Graph
since Sep 2022
Programming languages
PHP
since Sep 2021
Web servers
Nginx
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.35 / 10 · ranked #1,067,025 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 5.1 MB · 85 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,242,798, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| walzel.cz | 13 |
| www.walzel.cz | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Jun 2026