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2026-08-01 crawl · observed, not inferred

Technology used by ef.edu

33
technologies detected
ef executive language institute
company
1-10
employees
higher education
industry
united kingdom
location

Full detected stack

Everything detected on this domain in the latest monthly crawl, grouped by what it does. ↩ marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.

Analytics
Microsoft Clarity↩ Feb 2022Linkedin Insight Tag↩ Mar 2021Google Analytics↩ May 2018Facebook Pixel2.9.373↩ Jul 2021
CDN
cdnjs↩ Dec 2021Cloudflare↩ Jul 2020Amazon S3↩ May 2026Amazon CloudFront↩ Mar 2025
Miscellaneous
Webpack↩ Dec 2022Open Graph↩ Sept 2022HTTP/3↩ Dec 2024
Webmail
Apple iCloud Mail↩ Jan 2023Microsoft 365↩ Aug 2022
UI frameworks
Radix UI↩ Sept 2024Tailwind CSS↩ Apr 2022
JavaScript frameworks
React↩ Nov 2020Gatsby3.15.0|3.15.0↩ Nov 2020
JavaScript libraries
core-js3.45.1↩ Sept 2021Preact↩ Nov 2021
Advertising
Reddit Ads↩ May 2023Microsoft Advertising↩ Feb 2021
Security
HSTS↩ Sept 2022Cloudflare Bot Management↩ Jun 2025
CMS
Storyblok↩ May 2024
CRM
Salesforce↩ Oct 2023
Load balancers
Amazon ALB↩ Oct 2021
PaaS
Amazon Web Services↩ Apr 2021
A/B Testing
Optimizely↩ Aug 2023
Customer data platform
BlueConic↩ Feb 2022
Reviews
Trustpilot↩ Jan 2025
Email
Sendgrid↩ Feb 2026
Cookie compliance
OneTrust↩ Aug 2024
Tag managers
Google Tag Manager↩ Jul 2016
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