# What does b13 GmbH use?

b13 GmbH (b13.com) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-21).

- Industry: Internet
- Size: 11–50 employees
- Based in: Stuttgart, Germany
- Founded: 2007
- LinkedIn: https://www.linkedin.com/company/b13-gmbh

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Umami](https://www.runsonwhat.com/reverse/umami) | Analytics | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records |  |

## FAQ

### What tools does b13 use?

As of October 2026, runsonwhat has found 10 tools at b13 (b13.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Data & Observability: Umami. Company Ops: Microsoft 365, Google Workspace and Let's Encrypt. Last checked October 21, 2026.

### What cloud does b13 run on?

b13 uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 76,233 companies runsonwhat tracks.

### What email provider does b13 use?

b13 uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,969 companies runsonwhat tracks.

### What analytics tools does b13 use?

b13 uses Umami for analytics, according to runsonwhat (October 2026). runsonwhat found Umami through Umami code on b13.com. Umami is used by 2,303 companies runsonwhat tracks.

### Does b13 use Cloudflare?

Yes. runsonwhat found Cloudflare at b13 through DNS records that point at Cloudflare and code on b13.com. Cloudflare is a CDN & Edge tool used by 708,870 companies runsonwhat tracks.

### Which companies have a tech stack similar to b13's?

The companies with the stacks most like b13's are AHM Insights, CALOG Transportes is under maintenance - We are doing some work on our site. Please come back later. We'll be up and running in no time., Duncan Chiropractic Group and Modern Machine Shop México, according to runsonwhat (October 2026). Each shares 2 to 3 tools with b13, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what b13 uses?

runsonwhat reads public records only. Of the 10 tools at b13, 7 were found through DNS records, 1 through email records, 1 through subdomains that point at the vendor and 1 through code on b13.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and b13.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/b13.com (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.