# What does Citigroup use?

Citigroup (citigroup.de) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-11-03).

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

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Adobe Experience Platform Tags](https://www.runsonwhat.com/reverse/adobe-launch) | Data Pipeline | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |

## FAQ

### What tools does Citigroup use?

As of November 2026, runsonwhat has found 8 tools at Citigroup (citigroup.de) in public records. Edge & Hosting: Akamai. Application: Vimeo, YouTube and Next.js. Data & Observability: Adobe Experience Platform Tags. Company Ops: Proofpoint and DigiCert. Last checked November 3, 2026.

### Does Citigroup use Vimeo?

Yes. runsonwhat found Vimeo at Citigroup through Vimeo code on citigroup.de. Vimeo is a Media & UI tool used by 458,052 companies runsonwhat tracks.

### How does runsonwhat know what Citigroup uses?

runsonwhat reads public records only. Of the 8 tools at Citigroup, 6 were found through code on citigroup.de, 1 through email records and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and citigroup.de about monthly.


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