What powers doors3.io?
Last seen Oct 2026 · 18 technologies across 13 categories
Analytics
CDN
Hosting
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Performance
Security
Tag managers
UI frameworks
Web frameworks
Webmail
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Allowed
- GPTBot Allowed
Search and AI assistants
- PerplexityBot Allowed
The other 30 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.01 / 10 · ranked #3,562,749 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0.4 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.3 MB · 72 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Doors3
- Profiles: LinkedIn
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (185.158.133.1)
- DNS: IONOS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 8,424,770, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted