# What does Proof 8 use?

Proof 8 (proof-8.com) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-10-31).

- Industry: Software
- Size: 11–50 employees
- Based in: Zug, Switzerland
- Founded: 2021
- LinkedIn: https://www.linkedin.com/company/proof-8

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code |  |
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | Email records |  |
| [Sanity](https://www.runsonwhat.com/reverse/sanity) | Website & CMS | 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 |  |
| [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code |  |
| [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain |  |

## FAQ

### What tools does Proof 8 use?

As of November 2026, runsonwhat has found 17 tools at Proof 8 (proof-8.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: Google Fonts, React and Adobe Fonts. Data & Observability: Google Tag Manager. Go-to-market: Microsoft Ads, HubSpot and Zoho. Company Ops: Microsoft 365, Google Workspace and Cookiebot. Last checked October 31, 2026.

### What cloud does Proof 8 run on?

Proof 8 uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on proof-8.com. Amazon Web Services is used by 146,678 companies runsonwhat tracks.

### What CRM does Proof 8 use?

Proof 8 uses HubSpot for its CRM, alongside Zoho, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on proof-8.com. HubSpot is used by 96,192 companies runsonwhat tracks.

### What email provider does Proof 8 use?

Proof 8 uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 719,244 companies runsonwhat tracks.

### What analytics tools does Proof 8 use?

Proof 8 uses Google Tag Manager for analytics, according to runsonwhat (November 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on proof-8.com. Google Tag Manager is used by 515,332 companies runsonwhat tracks.

### What is Proof 8's website built with?

Proof 8 uses Sanity for its website, according to runsonwhat (November 2026). runsonwhat found Sanity through Sanity code on proof-8.com. Sanity is used by 5,217 companies runsonwhat tracks.

### Does Proof 8 use Google Fonts?

Yes. runsonwhat found Google Fonts at Proof 8 through Google Fonts code on proof-8.com. Google Fonts is a Media & UI tool used by 825,951 companies runsonwhat tracks.

### Which companies have a tech stack similar to Proof 8's?

The companies with the stacks most like Proof 8's are Milu Health, Talkoot, Nue.io and Pluvo, according to runsonwhat (November 2026). Each shares 5 to 10 tools with Proof 8, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Proof 8 uses?

runsonwhat reads public records only. Of the 17 tools at Proof 8, 9 were found through code on proof-8.com, 3 through DNS records, 3 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and proof-8.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/proof-8.com (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.