What powers levnelyze.cz?
Last seen Aug 2026 · 11 technologies across 7 categories
Analytics
JavaScript Frameworks
JavaScript libraries
Programming languages
Tag managers
UI frameworks
Web Servers
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Sep 2026 applebot-extended added to robots.txt
- Sep 2026 *: Allowed (was Restricted)
- Sep 2026 amazonbot added to robots.txt
- Sep 2026 meta-externalagent added to robots.txt
- Sep 2026 bytespider added to robots.txt
- Sep 2026 ccbot added to robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #809,750 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Cloudflare (104.21.83.254, IPv6)
- DNS: Cloudflare DNS
- Email: levnelyze.cz
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 15,436,101, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted