What powers threo.cz?
Last seen Oct 2026 · 24 technologies across 15 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
Payment processors
Performance
Programming languages
Security
WordPress plugins
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.00 / 10 · ranked #1,591,341 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 1.3 MB · 71 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Threo
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.71.250, IPv6)
- DNS: Cloudflare DNS
- Email: threo.cz
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 63,676,923
- Verified with: Google, Klaviyo, Yahoo
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Sep 2026
- detected Google Analytics Sep 2026
- detected jQuery Sep 2026
- detected jQuery Migrate Sep 2026
- detected Klaviyo Sep 2026
- detected Modernizr Sep 2026
- detected Underscore.js Sep 2026