What powers marken.cz?
Last seen Sep 2026 · 13 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Jan 2026
CDN
Cloudflare
since Nov 2023
Font scripts
JavaScript libraries
Miscellaneous
HTTP/3
since Jan 2026
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Nov 2023
UI frameworks
Web frameworks
Webmail
Google Workspace
since Aug 2022
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
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 54% desktop
- 46% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.30 / 10 · ranked #2,886,498 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Cloudflare
- Weight: 1.8 MB · 70 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.19.193, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 14,144,795, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Feb 2026
- dropped Debian Feb 2026