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
- 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
Hosting & Cloud
CDN & Edge
Application
6 tools, what the product is built with
Frontend
Auth & Identity
Backend & Database
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
7 tools, how they find and keep customers
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Workspace
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.