# What does Mirrors use?

Mirrors (mirrors.dev) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-10-30).

- Industry: Engineering, Product and Design
- Size: 1–10 employees
- Based in: San Francisco, United States
- Founded: 2026
- LinkedIn: https://www.linkedin.com/company/runmirrors

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, Website code |  |
| [Porkbun](https://www.runsonwhat.com/reverse/porkbun) | DNS | Custom domain |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Three.js](https://www.runsonwhat.com/reverse/threejs) | Media & UI | Website code |  |
| [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code |  |

## Data & Observability

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

## Recent changes at Mirrors

- 2026-10-30: stopped using [Google Search Console](https://www.runsonwhat.com/reverse/gsc)

## FAQ

### What tools does Mirrors use?

As of November 2026, runsonwhat has found 7 tools at Mirrors (mirrors.dev) in public records. Edge & Hosting: Vercel and Porkbun. Application: Three.js and Astro. Data & Observability: Sentry and PostHog. Last checked October 30, 2026.

### What cloud does Mirrors run on?

Mirrors uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and code on mirrors.dev. Vercel is used by 51,248 companies runsonwhat tracks.

### What analytics tools does Mirrors use?

Mirrors uses PostHog for analytics, according to runsonwhat (November 2026). runsonwhat found PostHog through PostHog code on mirrors.dev. PostHog is used by 10,744 companies runsonwhat tracks.

### What monitoring tools does Mirrors use?

Mirrors uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on mirrors.dev. Sentry is used by 80,054 companies runsonwhat tracks.

### Does Mirrors use Three.js?

Yes. runsonwhat found Three.js at Mirrors through Three.js code on mirrors.dev. Three.js is a Media & UI tool used by 17,745 companies runsonwhat tracks.

### Has Mirrors changed tools recently?

Yes. On runsonwhat's rechecks, Mirrors stopped using Google Search Console (latest on October 30, 2026). A change counts only between two checks of mirrors.dev done the same way.

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

The companies with the stacks most like Mirrors' are Persana AI, AbjadPro, Dispatch and Tweeks, according to runsonwhat (November 2026). Each shares 1 to 5 tools with Mirrors, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Mirrors uses?

runsonwhat reads public records only. Of the 7 tools at Mirrors, 4 were found through code on mirrors.dev, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and mirrors.dev about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/mirrors.dev (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.