runsonwhat

Yello's tech stack

What does Yello use?

Yello (yello.de) uses at least 24 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Contentful for its website. Last checked .

Industry
Utilities
Size
51–200 employees
Based in
Köln, Germany
Founded
1999
LinkedIn
Company page
Tools found
24
Categories
15
Layers
5 of 5
Last checked
Oct 2026

Yello'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

2 tools, where the bytes are served from

Application

6 tools, what the product is built with

Data & Observability

2 tools, what they measure and store

Company Ops

7 tools, what the team runs on day to day

Email Delivery

Collaboration

Dev Tools

Security & Compliance

Yello tech stack FAQ

What tools does Yello use?

We've found 24 tools at Yello (yello.de). Edge & Hosting: Amazon CloudFront and Microsoft Azure. Application: Google Fonts, YouTube and Vue.js. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Meta Pixel, Google Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 2, 2026.

What cloud does Yello run on?

Yello uses Microsoft Azure for hosting. We found Microsoft Azure through custom domain and website code.

What email provider does Yello use?

Yello uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records and DNS verification records.

What analytics tools does Yello use?

Yello uses Google Analytics and Google Tag Manager for analytics. We found Google Analytics through website code.

What CMS does Yello use?

Yello uses Contentful for its website. We found Contentful through website code.

Does Yello use Microsoft 365?

Yes. We found Microsoft 365 at Yello through email records and DNS verification records. Microsoft 365 is used by 245,233 companies we track.

How does runsonwhat know what Yello uses?

We read public traces only: Yello's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.