# What does Oper Köln use?

Oper Köln (oper.koeln) shows public evidence of 5 tools, according to runsonwhat (last checked 2026-11-12).

- Industry: Performing Arts
- Size: 201–1,000 employees
- Based in: Köln, Germany
- LinkedIn: https://www.linkedin.com/company/oper-k%C3%B6ln

## Application

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

## Data & Observability

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [consentmanager](https://www.runsonwhat.com/reverse/consentmanager) | Security & Compliance | Website code |  |

## Recent changes at Oper Köln

- 2026-11-12: stopped using [Google Analytics](https://www.runsonwhat.com/reverse/ga)
- 2026-11-12: stopped using [Google Ads](https://www.runsonwhat.com/reverse/google-ads)
- 2026-11-12: stopped using [Hotjar](https://www.runsonwhat.com/reverse/hotjar)
- 2026-11-12: stopped using [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel)

## FAQ

### What tools does Oper Köln use?

As of November 2026, runsonwhat has found 5 tools at Oper Köln (oper.koeln) in public records. Application: jQuery and GSAP. Data & Observability: Google Tag Manager. Company Ops: consentmanager. Last checked November 12, 2026.

### What analytics tools does Oper Köln use?

Oper Köln uses Google Tag Manager for analytics, according to runsonwhat (November 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on oper.koeln. Google Tag Manager is used by 516,309 companies runsonwhat tracks.

### Does Oper Köln use jQuery?

Yes. runsonwhat found jQuery at Oper Köln through jQuery code on oper.koeln. jQuery is a Frontend tool used by 927,260 companies runsonwhat tracks.

### Has Oper Köln changed tools recently?

Yes. On runsonwhat's rechecks, Oper Köln stopped using Google Analytics, Google Ads and Hotjar (latest on November 12, 2026). A change counts only between two checks of oper.koeln done the same way.

### How does runsonwhat know what Oper Köln uses?

runsonwhat reads public records only. Of the 5 tools at Oper Köln, 4 were found through code on oper.koeln, 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and oper.koeln about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/oper.koeln (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.