# What does Personalunion Siegen use?

Personalunion Siegen (personalunion.de) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-11-15).

- Industry: Staffing and Recruiting
- Size: 201–1,000 employees
- Based in: Siegen, Germany
- Founded: 1984
- LinkedIn: https://www.linkedin.com/company/personalunion-siegen

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code |  |
| [Wistia](https://www.runsonwhat.com/reverse/wistia) | Media & UI | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [WhatsApp Business](https://www.runsonwhat.com/reverse/whatsapp) | Support & Docs | Website code |  |
| [All in One SEO](https://www.runsonwhat.com/reverse/aioseo) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [Hornetsecurity](https://www.runsonwhat.com/reverse/hornetsecurity) | Security & Compliance | Email records |  |

## Recent changes at Personalunion Siegen

- 2026-11-08: started using [llms.txt](https://www.runsonwhat.com/reverse/llms-txt)
- 2026-11-08: stopped using [WP Engine](https://www.runsonwhat.com/reverse/wpengine)

## FAQ

### What tools does Personalunion Siegen use?

As of November 2026, runsonwhat has found 15 tools at Personalunion Siegen (personalunion.de) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Vimeo. Go-to-market: WordPress, Meta Pixel and WhatsApp Business. Company Ops: Microsoft 365 and Hornetsecurity. Last checked November 15, 2026.

### What email provider does Personalunion Siegen use?

Personalunion Siegen uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 739,102 companies runsonwhat tracks.

### What does Personalunion Siegen use for customer support?

Personalunion Siegen uses WhatsApp Business for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on personalunion.de. WhatsApp Business is used by 139,444 companies runsonwhat tracks.

### What is Personalunion Siegen's website built with?

Personalunion Siegen uses WordPress for its website, alongside All in One SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on personalunion.de. WordPress is used by 607,356 companies runsonwhat tracks.

### Does Personalunion Siegen use jQuery?

Yes. runsonwhat found jQuery at Personalunion Siegen through jQuery code on personalunion.de. jQuery is a Frontend tool used by 927,436 companies runsonwhat tracks.

### Has Personalunion Siegen changed tools recently?

Yes. On runsonwhat's rechecks, Personalunion Siegen started using llms.txt (latest on November 8, 2026) and stopped using WP Engine (latest on November 8, 2026). A change counts only between two checks of personalunion.de done the same way.

### How does runsonwhat know what Personalunion Siegen uses?

runsonwhat reads public records only. Of the 15 tools at Personalunion Siegen, 12 were found through code on personalunion.de, 1 through DNS records, 1 through website configuration files and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and personalunion.de about monthly.


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