What powers 
efacademy.org?
Last seen Sep 2026 · 28 technologies across 16 categories
A/B Testing
Optimizely
since Sep 2023
Advertising
Microsoft Advertising
since Jun 2025
Analytics
Google Analytics
since Sep 2021
Microsoft Clarity
since Aug 2026
CDN
CMS
Storyblok
since Mar 2023
Cookie compliance
OneTrust
since Apr 2026
JavaScript frameworks
JavaScript libraries
Keen-Slider
since Oct 2025
Miscellaneous
PaaS
Amazon Web Services
since May 2026
Vercel
since Jan 2024
Performance
Priority Hints
since Feb 2024
Programming languages
Node.js
since Sep 2021
Security
Cloudflare Bot Management
since Oct 2024
HSTS
since Jan 2024
Tag managers
Google Tag Manager
since Sep 2021
UI frameworks
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% phone
- 46% desktop
- 3% tablet
Spain
Brazil
United Kingdom
France
Poland
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #460,083 of all domains
100 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 175 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.9 MB · 76 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.18.36.116, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,943,034, 5 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity Aug 2026
- detected Bootstrap Jun 2026
- detected Amazon S3 May 2026
- detected Amazon Web Services May 2026
- dropped Datadog May 2026
- dropped Linkedin Insight Tag May 2026
- dropped Nextdoor Ads May 2026
- detected Google Tag Manager Apr 2026
- detected OneTrust Apr 2026