What powers smille.cz?
Last seen Sep 2026 · 9 technologies across 9 categories
Advertising
Analytics
Cookie compliance
Miscellaneous
Operating systems
Programming languages
Security
Web frameworks
Web servers
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
- 80% phone
- 21% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.89 / 10 · ranked #3,899,558 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 2.2 MB · 35 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on WEB4U (81.91.83.112)
- Email: smille.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 25,479,278, 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 core-js Aug 2026
- dropped Facebook Pixel Aug 2026
- dropped Google Tag Manager Aug 2026