What powers professorpinguim.com.br?
Last seen Sep 2026 · 49 technologies across 29 categories
Analytics
Authentication
Caching
CDN
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Miscellaneous
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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
AI Crawlers
No AI crawlers blocked
Audience
- 52% desktop
- 32% phone
- 16% tablet
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.36 / 10 · ranked #7,973,633 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Portuguese (Brazil)
- CDN: Cloudflare
- Weight: 0.4 MB · 32 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Professor Pinguim
- Industry: Education (declares
EducationalOrganization) - Profiles: Instagram, YouTube
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.63.232, IPv6)
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 17,779,834, 6 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| curso.professorpinguim.com.br | 22 |
| professorpinguim.com.br | 20 |
| aluno.professorpinguim.com.br | 15 |
| imersao.professorpinguim.com.br | 15 |
| fuvest.professorpinguim.com.br | 10 |
| mentoria.professorpinguim.com.br | 10 |
| premiumlive.professorpinguim.com.br | 10 |
| live.professorpinguim.com.br | 9 |
Full technology history →
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Recent changes
- dropped reCAPTCHA Aug 2026
- detected Cloudflare Bot Management Jun 2026
- dropped jQuery Migrate May 2026
- dropped jQuery UI May 2026
- dropped Swiper Feb 2026
- dropped Google Hosted Libraries Jan 2026
- dropped WhatsApp Business Chat Jan 2026
- detected Yoast SEO Jan 2026
- detected jQuery Migrate Dec 2025
- detected jQuery UI Dec 2025
- detected Priority Hints Dec 2025
- detected Swiper Dec 2025
- detected Cloudflare Browser Insights Nov 2025