What powers theoryanddata.com?
Last seen Sep 2026 · 15 technologies across 11 categories
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Web servers
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.10 / 10 · ranked #114,559,527 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Italian (Italy)
- Weight: 0.3 MB · 12 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (5.9.138.220)
- DNS: supporthost.com
- Email: theoryanddata.com
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 113,554,080
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Sep 2026
- dropped Priority Hints Jun 2026
- dropped Bootstrap May 2026
- dropped core-js May 2026
- dropped Elementor May 2026
- dropped Google Tag Manager May 2026
- dropped iubenda May 2026
- dropped jQuery UI May 2026
- dropped Microsoft Advertising May 2026
- dropped RSS May 2026
- dropped Swiper May 2026
- dropped Trustpilot May 2026
- dropped Yoast SEO May 2026
- detected Bunny Apr 2026
- detected Bunny Fonts Apr 2026
- detected WebFactory Maintenance Apr 2026
- detected HSTS Dec 2025