# What does Joyn use?

Joyn (prosieben.de) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-20).

- Based in: Germany

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain |  |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [Extensis](https://www.runsonwhat.com/reverse/extensis) | Media & UI | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |
| [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code |  |
| [LaunchDarkly](https://www.runsonwhat.com/reverse/launchdarkly) | Flags & Experiments | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website config |  |
| [PubMatic](https://www.runsonwhat.com/reverse/pubmatic) | Ads & Pixels | Website config |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records |  |
| [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records |  |
| [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) | Email Delivery | Custom domain |  |
| [QuoVadis](https://www.runsonwhat.com/reverse/quovadis) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Joyn use?

As of November 2026, runsonwhat has found 18 tools at Joyn (prosieben.de) in public records. Edge & Hosting: Amazon Web Services, Amazon CloudFront and Vercel. Application: Next.js and Extensis. Data & Observability: Hotjar, Datadog and LaunchDarkly. Go-to-market: Google Ad Manager and PubMatic. Company Ops: Microsoft 365, Amazon SES and Valimail. Last checked October 20, 2026.

### What cloud does Joyn run on?

Joyn uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 146,612 companies runsonwhat tracks.

### What email provider does Joyn use?

Joyn uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 718,598 companies runsonwhat tracks.

### What analytics tools does Joyn use?

Joyn uses Hotjar for analytics, according to runsonwhat (November 2026). runsonwhat found Hotjar through Hotjar code on prosieben.de. Hotjar is used by 68,718 companies runsonwhat tracks.

### What monitoring tools does Joyn use?

Joyn uses Datadog for monitoring, according to runsonwhat (November 2026). runsonwhat found Datadog through Datadog code on prosieben.de. Datadog is used by 11,746 companies runsonwhat tracks.

### Does Joyn use Next.js?

Yes. runsonwhat found Next.js at Joyn through Next.js code on prosieben.de. Next.js is a Frontend tool used by 68,897 companies runsonwhat tracks.

### Which companies have a tech stack similar to Joyn's?

The companies with the stacks most like Joyn's are OmnicomGroup, Orion - Bringing You News From Our World To Yours, Cimpress and Snow Companies, according to runsonwhat (November 2026). Each shares 3 to 6 tools with Joyn, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Joyn uses?

runsonwhat reads public records only. Of the 18 tools at Joyn, 5 were found through DNS records, 5 through code on prosieben.de, 3 through email records, 3 through subdomains that point at the vendor and 2 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and prosieben.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/prosieben.de (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.