runsonwhat

Felss's tech stack

What does Felss use?

Felss (felss.com) uses at least 20 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, Leadinfo for sales and Google Analytics for analytics. Last checked .

Based in
Germany
Founded
1905
LinkedIn
Company page
Tools found
20
Categories
11
Layers
5 of 5
Last checked
Oct 2026

Felss'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

1 tool, where the bytes are served from

Hosting & Cloud

Application

5 tools, what the product is built with

Data & Observability

3 tools, what they measure and store

Go-to-market

7 tools, how they find and keep customers

Company Ops

4 tools, what the team runs on day to day

Felss tech stack FAQ

What tools does Felss use?

As of October 2026, runsonwhat has found 20 tools at Felss (felss.com) in public records. Edge & Hosting: Vercel. Application: jQuery, Font Awesome and YouTube. Data & Observability: Google Analytics, Google Tag Manager and etracker. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 20, 2026.

What cloud does Felss run on?

Felss uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a DNS verification record for Vercel. Vercel is used by 48,104 companies runsonwhat tracks.

What sales tools does Felss use?

The sales tools runsonwhat has found at Felss are Leadinfo (October 2026); no CRM shows up in Felss' public records. runsonwhat found Leadinfo through Leadinfo code on felss.com. Leadinfo is used by 5,861 companies runsonwhat tracks.

What email provider does Felss use?

Felss uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 710,143 companies runsonwhat tracks.

What analytics tools does Felss use?

Felss uses Google Analytics for analytics, alongside Google Tag Manager and etracker, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on felss.com. Google Analytics is used by 879,108 companies runsonwhat tracks.

What is Felss's website built with?

Felss uses WordPress for its website, alongside Rank Math, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on felss.com. WordPress is used by 596,653 companies runsonwhat tracks.

Does Felss use jQuery?

Yes. runsonwhat found jQuery at Felss through jQuery code on felss.com. jQuery is a Frontend tool used by 915,100 companies runsonwhat tracks.

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

The companies with the stacks most like Felss' are pronovabkk, KPS, Tedesio and Heidelberg Materials, according to runsonwhat (October 2026). Each shares 3 to 8 tools with Felss, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Felss uses?

runsonwhat reads public records only. Of the 20 tools at Felss, 13 were found through code on felss.com, 6 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and felss.com 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.