# What does Opti use?

Opti (opti.de) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-10-08).

- Industry: Events Services
- Size: 51–200 employees
- Based in: München, Germany
- Founded: 1998
- LinkedIn: https://www.linkedin.com/company/opti

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Hetzner](https://www.runsonwhat.com/reverse/hetzner) | Hosting & Cloud | Email records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Dynamics 365 Customer Insights](https://www.runsonwhat.com/reverse/dynamics-365-marketing) | Marketing | DNS verification records |  |
| [MessageGears](https://www.runsonwhat.com/reverse/messagegears) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code |  |
| [CookieFirst](https://www.runsonwhat.com/reverse/cookiefirst) | Security & Compliance | Website code |  |

## FAQ

### What tools does Opti use?

As of October 2026, runsonwhat has found 8 tools at Opti (opti.de) in public records. Edge & Hosting: Amazon Web Services and Hetzner. Application: Tailwind CSS. Go-to-market: Microsoft Ads, Dynamics 365 Customer Insights and MessageGears. Company Ops: Amazon SES and CookieFirst. Last checked October 8, 2026.

### What cloud does Opti run on?

Opti uses Amazon Web Services for hosting and cloud infrastructure, alongside Hetzner, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on opti.de. Amazon Web Services is used by 144,750 companies runsonwhat tracks.

### What marketing software does Opti use?

Opti uses Dynamics 365 Customer Insights for marketing, alongside MessageGears, according to runsonwhat (October 2026). runsonwhat found Dynamics 365 Customer Insights through a DNS verification record for Dynamics 365 Customer Insights. Dynamics 365 Customer Insights is used by 5,975 companies runsonwhat tracks.

### Does Opti use Microsoft Ads?

Yes. runsonwhat found Microsoft Ads at Opti through Microsoft Ads code on opti.de. Microsoft Ads is a Ads & Pixels tool used by 115,046 companies runsonwhat tracks.

### Which companies have a tech stack similar to Opti's?

The companies with the stacks most like Opti's are AFFLINK, Fellowmind, Bennett College and Furley Page Solicitors, according to runsonwhat (October 2026). Each shares 1 to 2 tools with Opti, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Opti uses?

runsonwhat reads public records only. Of the 8 tools at Opti, 4 were found through code on opti.de, 3 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 opti.de about monthly.


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