What powers 
cryptology.school?
Last seen Aug 2026 · 28 technologies across 14 categories
Advertising
Analytics
CDN
Cookie compliance
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
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
- Sep 2026 *: Restricted (was Blocked)
- Aug 2026 *: Blocked (was Restricted)
- Aug 2026 *: Restricted (was Blocked)
AI Crawlers
No AI crawlers blocked
Audience
- 74% desktop
- 26% phone
Ukraine
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.09 / 10 · ranked #512,707 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Ukrainian
- CDN: Cloudflare
- Weight: 34.4 MB · 86 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Cryptology Key
- Profiles: Instagram
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.87.94, IPv6)
- DNS: Cloudflare DNS
- Email: Hosting Ukraine
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 7,474,883, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| education.cryptology.school | 18 |
| edu.cryptology.school | 17 |
| cryptology.school | 16 |
| my.cryptology.school | 13 |
| bf.cryptology.school | 11 |
| early.cryptology.school | 11 |
| track.cryptology.school | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped FullCalendar Apr 2026
- dropped Plyr Apr 2026
- dropped TypeScript Apr 2026
- dropped Angular Dec 2025
- dropped Apollo Dec 2025
- dropped Express Dec 2025
- dropped GraphQL Dec 2025
- dropped Microsoft Clarity Dec 2025
- dropped Node.js Dec 2025
- dropped Priority Hints Dec 2025
- dropped Zone.js Dec 2025
- detected Bootstrap Nov 2025
- detected CodeIgniter Nov 2025
- detected DataTables Nov 2025
- detected jQuery Migrate Nov 2025
- detected Select2 Nov 2025
- detected Slick Nov 2025