What powers dklab.cz?
Last seen Mar 2026 · 18 technologies across 12 categories
Authentication
Facebook Login
since Dec 2022
CDN
jsDelivr
since Dec 2022
Ecommerce
Shoptet
since Dec 2022
SparkPost
since Mar 2026
Font scripts
Google Font API
since Dec 2022
JavaScript frameworks
Svelte
since May 2025
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Dec 2022
UI frameworks
Web servers
Nginx
since Dec 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.38 / 10 · ranked #420,226 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.110.69, IPv6)
- DNS: websupport.cz
- Email: no MX record returned
- SSL: ZeroSSL, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 13,300,931, 15 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| doplnky.dklab.cz | 14 |
| crystal.dklab.cz | 12 |
| www.dklab.cz | 8 |