What powers sigmachallenge.com.br?
Last seen Oct 2026 · 19 technologies across 12 categories
CDN
Cloudflare
since Jul 2025
Google Cloud CDN
since Jul 2026
jsDelivr
since Jul 2026
Unpkg
since Jul 2026
Font scripts
Google Font API
since Jul 2025
IaaS
Google Cloud
since Jul 2026
JavaScript frameworks
JavaScript graphics
Miscellaneous
HTTP/3
since Jul 2025
Open Graph
since Jul 2025
Performance
Google Cloud Trace
since Jul 2026
Programming languages
Python
since Jul 2026
Security
HSTS
since Jul 2025
UI frameworks
Radix UI
since Jul 2025
Tailwind CSS
since Jul 2025
Web frameworks
Django
since Jul 2026
Webmail
Google Workspace
since Jul 2025
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
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 60% desktop
- 40% phone
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.33 / 10 · ranked #8,276,866 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 8.9 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.60.32, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 19,723,735, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| platform.sigmachallenge.com.br | 12 |
| sigmachallenge.com.br | 10 |
| www.sigmachallenge.com.br | 10 |