What powers 
abakus.cz?
Last seen Sep 2026 · 13 technologies across 9 categories
Analytics
Font scripts
JavaScript libraries
Miscellaneous
Performance
Security
UI frameworks
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.71 / 10 · ranked #307,338 of all domains
81 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Google
- Weight: 1.1 MB · 66 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Abakus
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Feb 2017 (9 years) via Webglobe, s.r.o., renews Feb 2027
- Hosted on Google Cloud (35.187.33.92)
- DNS: Google Cloud DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject, CAA, MTA-STS, BIMI
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 9,821,957, 3 hosts
- Verified with: Apple Business, Google, Jamf
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped CookieYes May 2026
- detected Apple iCloud Mail Apr 2026
- detected HSTS Apr 2026