# What does Diffui use?

Diffui (diffui.ai) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-23).

## Edge & Hosting

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

## Application

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

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |

## FAQ

### What tools does Diffui use?

As of October 2026, runsonwhat has found 9 tools at Diffui (diffui.ai) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and ChatGPT Ads. Company Ops: Google Workspace. Last checked October 23, 2026.

### What email provider does Diffui use?

Diffui uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on diffui.ai. Google Workspace is used by 406,620 companies runsonwhat tracks.

### What analytics tools does Diffui use?

Diffui uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on diffui.ai. Google Analytics is used by 894,005 companies runsonwhat tracks.

### Does Diffui use Google Fonts?

Yes. runsonwhat found Google Fonts at Diffui through Google Fonts code on diffui.ai. Google Fonts is a Media & UI tool used by 818,224 companies runsonwhat tracks.

### How does runsonwhat know what Diffui uses?

runsonwhat reads public records only. Of the 9 tools at Diffui, 6 were found through code on diffui.ai, 2 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and diffui.ai about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/diffui.ai (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.