Ernst Klett Verlag's tech stack
What does Ernst Klett Verlag use?
Ernst Klett Verlag (klett.de) uses at least 12 tools we can see from public records, including Zendesk for customer support, Matomo for analytics, Valimail for security and Microsoft 365 for email and documents. Ernst Klett Verlag started using Zendesk in Oct 2026. Last checked .
- Industry
- Publishing
- Size
- 201–1,000 employees
- Based in
- Stuttgart, Germany
- Founded
- 1897
- Company page
- Tools found
- 12
- Categories
- 10
- Layers
- 5 of 5
- Changes seen
- 1
Ernst Klett Verlag's stack, layer by layer
Of 12 tools, 6 came from DNS verification records, 4 from website code and 2 from email records. 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
CDN & Edge
Application
2 tools, what the product is built with
Frontend
Media & UI
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
2 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
6 tools, what the team runs on day to day
Workspace
Dev Tools
Security & Compliance
What changed at Ernst Klett Verlag
Recent starts and stops
- StartedZendesk
Ernst Klett Verlag tech stack FAQ
What tools does Ernst Klett Verlag use?
As of November 2026, runsonwhat has found 12 tools at Ernst Klett Verlag (klett.de) in public records. Edge & Hosting: Cloudflare. Application: Font Awesome and Vue.js. Data & Observability: Matomo. Go-to-market: Zendesk. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked November 14, 2026.
What email provider does Ernst Klett Verlag use?
Ernst Klett Verlag uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 737,886 companies runsonwhat tracks.
What does Ernst Klett Verlag use for customer support?
Ernst Klett Verlag uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 43,849 companies runsonwhat tracks.
What analytics tools does Ernst Klett Verlag use?
Ernst Klett Verlag uses Matomo for analytics, according to runsonwhat (November 2026). runsonwhat found Matomo through Matomo code on klett.de. Matomo is used by 35,843 companies runsonwhat tracks.
Does Ernst Klett Verlag use Cloudflare?
Yes. runsonwhat found Cloudflare at Ernst Klett Verlag through Cloudflare code on klett.de. Cloudflare is a CDN & Edge tool used by 736,663 companies runsonwhat tracks.
Has Ernst Klett Verlag changed tools recently?
Yes. On runsonwhat's rechecks, Ernst Klett Verlag started using Zendesk (latest on October 20, 2026). A change counts only between two checks of klett.de done the same way.
How does runsonwhat know what Ernst Klett Verlag uses?
runsonwhat reads public records only. Of the 12 tools at Ernst Klett Verlag, 6 were found through DNS records, 4 through code on klett.de and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and klett.de 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.