# What does YouTube use?

YouTube (nbclearn.com) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-10-24).

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Sailthru](https://www.runsonwhat.com/reverse/sailthru) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |

## FAQ

### What tools does YouTube use?

As of October 2026, runsonwhat has found 7 tools at YouTube (nbclearn.com) in public records. Application: Google Fonts and YouTube. Go-to-market: Google Ads and Sailthru. Company Ops: Microsoft 365 and Proofpoint. Last checked October 24, 2026.

### What email provider does YouTube use?

YouTube uses Microsoft 365 for email and office software, 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 marketing software does YouTube use?

YouTube uses Sailthru for marketing, according to runsonwhat (October 2026). runsonwhat found Sailthru through email records that authorize Sailthru. Sailthru is used by 941 companies runsonwhat tracks.

### Does YouTube use Google Fonts?

Yes. runsonwhat found Google Fonts at YouTube through Google Fonts code on nbclearn.com. Google Fonts is a Media & UI tool used by 815,941 companies runsonwhat tracks.

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

The companies with the stacks most like YouTube's are The Bouqs Company, CelticsBlog, Netted and City & State New York, according to runsonwhat (October 2026). Each shares 3 to 5 tools with YouTube, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what YouTube uses?

runsonwhat reads public records only. Of the 7 tools at YouTube, 3 were found through code on nbclearn.com, 2 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and nbclearn.com about monthly.


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