# What does F+U use?

F+U (fuu.de) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-10-07).

- Industry: Education Management
- Size: 201–1,000 employees
- Based in: Heidelberg, Germany
- Founded: 1980
- LinkedIn: https://www.linkedin.com/company/fuu

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Entra ID](https://www.runsonwhat.com/reverse/entra-id) | Auth & Identity | Custom domain |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code |  |
| [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | DNS verification records |  |
| [CleverReach](https://www.runsonwhat.com/reverse/cleverreach) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records |  |

## FAQ

### What tools does F+U use?

As of October 2026, runsonwhat has found 11 tools at F+U (fuu.de) in public records. Application: Microsoft Entra ID. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Meta Pixel and Ahrefs. Company Ops: Microsoft 365 and Adobe. Last checked October 7, 2026.

### What email provider does F+U use?

F+U uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 701,710 companies runsonwhat tracks.

### What analytics tools does F+U use?

F+U uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on fuu.de. Google Analytics is used by 853,379 companies runsonwhat tracks.

### What marketing software does F+U use?

F+U uses Ahrefs for marketing, alongside CleverReach, according to runsonwhat (October 2026). runsonwhat found Ahrefs through a DNS verification record for Ahrefs. Ahrefs is used by 22,994 companies runsonwhat tracks.

### What does F+U use for login and identity?

F+U uses Microsoft Entra ID for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Microsoft Entra ID through a subdomain that points at Microsoft Entra ID. Microsoft Entra ID is used by 3,101 companies runsonwhat tracks.

### Does F+U use Google Ads?

Yes. runsonwhat found Google Ads at F+U through Google Ads code on fuu.de. Google Ads is a Ads & Pixels tool used by 461,054 companies runsonwhat tracks.

### How does runsonwhat know what F+U uses?

runsonwhat reads public records only. Of the 11 tools at F+U, 4 were found through code on fuu.de, 4 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and fuu.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/fuu.de (updated October 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.