What powers checkfast.app.br?
Last seen Aug 2026 · 8 technologies across 6 categories
Databases
Firebase
since Jul 2026
Miscellaneous
Programming languages
Dart
since Jul 2026
Security
HSTS
since Jul 2026
UI frameworks
Webmail
Microsoft 365
since Jul 2026
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 99% phone
- 1% desktop
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.7 s |
| INP | 500 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Portuguese (Brazil)
- CDN: Fastly
- Weight: 3.9 MB · 29 requests
Homepage as crawled by the HTTP Archive, Aug 2026.