What powers letraslibras.com.br?
Last seen Jun 2026 · 13 technologies across 10 categories
Analytics
Live chat
WhatsApp Business Chat
since Apr 2022
Marketing automation
Mautic
since Oct 2023
Miscellaneous
Open Graph
since Sep 2022
Performance
Partytown
since Mar 2026
Priority Hints
since Mar 2026
Static site generator
Astro
since Mar 2026
Tag managers
Google Tag Manager
since Apr 2022
UI frameworks
Tailwind CSS
since Apr 2022
Video players
YouTube
since Apr 2022
Web servers
Apache HTTP Server
since Apr 2022
Audience
- 100% phone
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.05 / 10 · ranked #11,796,840 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Portuguese (Brazil)
- Weight: 0.7 MB · 24 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Bootstrap Jun 2026
- dropped core-js Jun 2026
- dropped ZURB Foundation Jun 2026