What powers ef.com.br?
Last seen Jun 2026 · 31 technologies across 18 categories
A/B Testing
Optimizely
since Aug 2023
Advertising
Microsoft Advertising
since Feb 2021
Reddit Ads
since May 2023
Analytics
Google Analytics
since Jun 2018
Linkedin Insight Tag
since Mar 2021
Microsoft Clarity
since Feb 2022
CDN
Amazon CloudFront
since Mar 2025
Amazon S3
since May 2026
cdnjs
since Dec 2021
Cloudflare
since Nov 2019
CMS
Storyblok
since May 2024
Cookie compliance
OneTrust
since Aug 2024
Customer data platform
BlueConic
since Feb 2022
JavaScript frameworks
JavaScript libraries
Keen-Slider
since Nov 2025
Load balancers
Amazon ALB
since Oct 2021
Miscellaneous
PaaS
Amazon Web Services
since May 2021
Performance
Priority Hints
since Nov 2025
Programming languages
Node.js
since Nov 2025
Reviews
Trustpilot
since Jan 2025
Security
Cloudflare Bot Management
since Dec 2024
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Apr 2018
UI frameworks
Radix UI
since Sep 2024
Tailwind CSS
since Apr 2022
Audience
- 73% phone
- 24% desktop
- 3% tablet
Brazil
United Kingdom
France
Portugal
Angola
Mozambique
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.75 / 10 · ranked #279,899 of all domains
126 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Portuguese (Brazil)
- CDN: Amazon CloudFront, Cloudflare
- Weight: 3.6 MB · 153 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon S3 May 2026
- detected OneTrust Apr 2026
- detected Google Tag Manager Mar 2026
- dropped Gatsby Dec 2025
- dropped Preact Dec 2025
- detected Keen-Slider Nov 2025
- detected Next.js Nov 2025
- detected Node.js Nov 2025
- detected Priority Hints Nov 2025