runsonwhat

EF's tech stack

What does EF use?

EF (ef.fr) uses at least 26 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Storyblok for its website. Last checked .

Industry
Leisure, Travel & Tourism
Size
11–50 employees
Based in
Offenburg, Germany
LinkedIn
Company page
Re-check liveVisit ef.fr
Tools found
26
Categories
12
Layers
5 of 5
Last checked
Oct 2026

EF's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

3 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

4 tools, what the product is built with

Frontend

AI

Data & Observability

6 tools, what they measure and store

Analytics

Flags & Experiments

Data Pipeline

Go-to-market

11 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Company Ops

2 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like EF also use

Tools common among companies with a similar stack that we haven't found at EF.

Companies with a stack like EF's

Ranked by shared tools, with rare tools counting more.

EF tech stack FAQ

What tools does EF use?

As of November 2026, runsonwhat has found 26 tools at EF (ef.fr) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon CloudFront. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365 and OneTrust. Last checked October 30, 2026.

What cloud does EF run on?

EF uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on ef.fr. Amazon Web Services is used by 146,692 companies runsonwhat tracks.

What email provider does EF use?

EF uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 719,161 companies runsonwhat tracks.

What analytics tools does EF use?

EF uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on ef.fr. Google Analytics is used by 906,437 companies runsonwhat tracks.

What is EF's website built with?

EF uses Storyblok for its website, according to runsonwhat (November 2026). runsonwhat found Storyblok through Storyblok code on ef.fr. Storyblok is used by 2,772 companies runsonwhat tracks.

What marketing software does EF use?

EF uses Trustpilot for marketing, according to runsonwhat (November 2026). runsonwhat found Trustpilot through Trustpilot code on ef.fr. Trustpilot is used by 16,360 companies runsonwhat tracks.

Does EF use Cloudflare?

Yes. runsonwhat found Cloudflare at EF through DNS records that point at Cloudflare and code on ef.fr. Cloudflare is a CDN & Edge tool used by 724,111 companies runsonwhat tracks.

Does EF use AI tools?

Yes. runsonwhat has found Chatbase at EF; Chatbase, for example, through Chatbase code on ef.fr. AI services called only from servers leave no public trace, so EF may use more AI tools than these.

Which companies have a tech stack similar to EF's?

The companies with the stacks most like EF's are Ef Efekta English For Adults, EF, Broadway Veterinary Hospital and Convertiv, according to runsonwhat (November 2026). Each shares 8 to 26 tools with EF, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what EF uses?

runsonwhat reads public records only. Of the 26 tools at EF, 23 were found through code on ef.fr, 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ef.fr about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.