What powers ef.co.uk?
Last seen Jun 2026 · 31 technologies across 19 categories
A/B Testing
Optimizely
since Aug 2023
Advertising
Microsoft Advertising
since Jun 2025
Reddit Ads
since May 2023
Analytics
Google Analytics
since Jun 2018
Linkedin Insight Tag
since Mar 2021
CDN
Amazon CloudFront
since Mar 2025
Amazon S3
since May 2026
cdnjs
since Dec 2021
Cloudflare
since Oct 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 Apr 2026
Load balancers
Amazon ALB
since Nov 2021
Miscellaneous
PaaS
Amazon Web Services
since May 2021
Performance
Priority Hints
since Apr 2026
Programming languages
Node.js
since Apr 2026
Reviews
Trustpilot
since Jan 2025
Security
Cloudflare Bot Management
since Nov 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
Webmail
Microsoft 365
since May 2024
Audience
- 65% phone
- 32% desktop
- 2% tablet
United Kingdom
France
Spain
Pakistan
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.99 / 10 · ranked #247,227 of all domains
211 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United Kingdom)
- CDN: Amazon CloudFront, Cloudflare
- Weight: 2.9 MB · 145 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Amazon S3 May 2026
- dropped Gatsby May 2026
- dropped Preact May 2026
- detected Keen-Slider Apr 2026
- detected Next.js Apr 2026
- detected Node.js Apr 2026
- detected OneTrust Apr 2026
- detected Priority Hints Apr 2026
- detected Google Tag Manager Mar 2026