# What does https://www.ptj.de/ use?

https://www.ptj.de/ (ptj.de) shows public evidence of 6 tools, according to runsonwhat (last checked 2026-10-31).

- Based in: Germany
- LinkedIn: https://www.linkedin.com/company/projekttraeger-juelich

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [Wistia](https://www.runsonwhat.com/reverse/wistia) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Matomo](https://www.runsonwhat.com/reverse/matomo) | Analytics | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Proton Mail](https://www.runsonwhat.com/reverse/proton) | Workspace | DNS verification records, Website code |  |

## FAQ

### What tools does https://www.ptj.de/ use?

As of November 2026, runsonwhat has found 6 tools at https://www.ptj.de/ (ptj.de) in public records. Application: jQuery, Vimeo and Wistia. Data & Observability: Matomo. Company Ops: Proton Mail. Last checked October 31, 2026.

### What email provider does https://www.ptj.de/ use?

https://www.ptj.de/ uses Proton Mail for email and office software, according to runsonwhat (November 2026). runsonwhat found Proton Mail through a DNS verification record for Proton Mail and code on ptj.de. Proton Mail is used by 2,582 companies runsonwhat tracks.

### What analytics tools does https://www.ptj.de/ use?

https://www.ptj.de/ uses Matomo for analytics, according to runsonwhat (November 2026). runsonwhat found Matomo through Matomo code on ptj.de. Matomo is used by 35,752 companies runsonwhat tracks.

### Does https://www.ptj.de/ use jQuery?

Yes. runsonwhat found jQuery at https://www.ptj.de/ through jQuery code on ptj.de. jQuery is a Frontend tool used by 930,017 companies runsonwhat tracks.

### Which companies have a tech stack similar to https://www.ptj.de/'s?

The companies with the stacks most like https://www.ptj.de/'s are Ace & Company, Applovin, Arktos.com and Petra Realty Group, according to runsonwhat (November 2026). Each shares 2 to 2 tools with https://www.ptj.de/, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what https://www.ptj.de/ uses?

runsonwhat reads public records only. Of the 6 tools at https://www.ptj.de/, 5 were found through code on ptj.de, 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ptj.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/ptj.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.