What powers ptbk.io?
Last seen Sep 2026 · 22 technologies across 14 categories
Analytics
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Rich text editors
Security
UI frameworks
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
AI Crawlers
No AI crawlers blocked
Audience
- 64% phone
- 36% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.71 / 10 · ranked #4,869,216 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 2.0 MB · 61 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,637,804, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cart Functionality May 2026
- detected core-js May 2026
- dropped DigitalOcean Spaces May 2026
- detected Facebook Pixel May 2026
- detected Google Workspace May 2026
- dropped Leaflet May 2026
- dropped Livefyre May 2026
- detected Monaco Editor Apr 2026
- detected DigitalOcean Spaces Mar 2026
- dropped Gravatar Mar 2026
- dropped jsDelivr Mar 2026
- detected Leaflet Mar 2026
- detected Livefyre Mar 2026
- dropped Monaco Editor Mar 2026
- dropped Babylon.js Feb 2026
- dropped Recharts Feb 2026