What powers 
cnen.gov.br?
Last seen Sep 2026 · 38 technologies across 19 categories
Analytics
Caching
CDN
CMS
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Operating systems
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 88% desktop
- 12% phone
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.39 / 10 · ranked #24,136 of all domains
563 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.2 MB · 20 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- National Nuclear Energy Commission
- Founded: 1956
- Country: Brazil
From Wikidata (CC0).
Infrastructure
- Hosted on Fundacao Carlos Chagas Filho de Amparo a Pesquisa (200.156.7.136)
- DNS: cnen.gov.br
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: GlobalSign, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 61,887, 18 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| appasp.cnen.gov.br | 17 |
| appasp2019.cnen.gov.br | 17 |
| memoria.cnen.gov.br | 15 |
| www.cnen.gov.br | 12 |
| antigo.cnen.gov.br | 8 |
| bibliotecas.cnen.gov.br | 7 |
| livre.cnen.gov.br | 7 |
| extranet.cnen.gov.br | 6 |
| sei.cnen.gov.br | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped DreamWeaver Dec 2025
- detected Google Font API Nov 2025
- detected jQuery CDN Nov 2025
- detected jsDelivr Nov 2025
- detected reCAPTCHA Nov 2025
- detected Select2 Nov 2025
- detected Unpkg Nov 2025