# What does Site Spy use?

Site Spy (sitespy.app) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-11-09).

## Edge & Hosting

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mintlify](https://www.runsonwhat.com/reverse/mintlify) | Support & Docs | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [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 |  |
| [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records |  |
| [iCloud Mail](https://www.runsonwhat.com/reverse/icloud-mail) | Workspace | DNS verification records, Email records |  |

## Recent changes at Site Spy

- 2026-11-09: started using [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare)
- 2026-11-09: started using [DigiCert](https://www.runsonwhat.com/reverse/digicert)
- 2026-10-09: started using [iCloud Mail](https://www.runsonwhat.com/reverse/icloud-mail)

## FAQ

### What tools does Site Spy use?

As of November 2026, runsonwhat has found 11 tools at Site Spy (sitespy.app) in public records. Edge & Hosting: Cloudflare and Vercel. Data & Observability: Sentry. Go-to-market: Mintlify. Company Ops: Let's Encrypt, Sectigo and DigiCert. Last checked November 9, 2026.

### What cloud does Site Spy run on?

Site Spy uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through DNS records that point at Vercel and code on sitespy.app. Vercel is used by 52,819 companies runsonwhat tracks.

### What email provider does Site Spy use?

Site Spy uses iCloud Mail for email and office software, according to runsonwhat (November 2026). runsonwhat found iCloud Mail through a DNS verification record for iCloud Mail and email records. iCloud Mail is used by 985 companies runsonwhat tracks.

### What does Site Spy use for customer support?

Site Spy uses Mintlify for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Mintlify through a subdomain that points at Mintlify. Mintlify is used by 1,236 companies runsonwhat tracks.

### What monitoring tools does Site Spy use?

Site Spy uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on sitespy.app. Sentry is used by 80,046 companies runsonwhat tracks.

### Does Site Spy use Cloudflare?

Yes. runsonwhat found Cloudflare at Site Spy through DNS records that point at Cloudflare. Cloudflare is a CDN & Edge tool used by 732,099 companies runsonwhat tracks.

### Has Site Spy changed tools recently?

Yes. On runsonwhat's rechecks, Site Spy started using Cloudflare, DigiCert and iCloud Mail (latest on November 9, 2026). A change counts only between two checks of sitespy.app done the same way.

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

The companies with the stacks most like Site Spy's are TryPost, Minerva BI, Rekody and TesterArmy, according to runsonwhat (November 2026). Each shares 4 to 9 tools with Site Spy, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Site Spy uses?

runsonwhat reads public records only. Of the 11 tools at Site Spy, 8 were found through DNS records, 1 through code on sitespy.app, 1 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sitespy.app about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/sitespy.app (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.