# What does First Principles use?

First Principles (readfp.com) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-11-02).

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Umami](https://www.runsonwhat.com/reverse/umami) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | DNS verification records, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records |  |

## FAQ

### What tools does First Principles use?

As of November 2026, runsonwhat has found 7 tools at First Principles (readfp.com) in public records. Edge & Hosting: Vercel and Namecheap. Application: Next.js. Data & Observability: Umami. Go-to-market: Zoho. Company Ops: Resend. Last checked November 2, 2026.

### What cloud does First Principles run on?

First Principles uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and DNS records. Vercel is used by 51,635 companies runsonwhat tracks.

### What CRM does First Principles use?

First Principles uses Zoho for its CRM, according to runsonwhat (November 2026). runsonwhat found Zoho through a DNS verification record for Zoho and email records. Zoho is used by 63,826 companies runsonwhat tracks.

### What analytics tools does First Principles use?

First Principles uses Umami for analytics, according to runsonwhat (November 2026). runsonwhat found Umami through Umami code on readfp.com. Umami is used by 2,451 companies runsonwhat tracks.

### Does First Principles use Next.js?

Yes. runsonwhat found Next.js at First Principles through Next.js code on readfp.com. Next.js is a Frontend tool used by 69,279 companies runsonwhat tracks.

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

The companies with the stacks most like First Principles' are CTCエスピー株式会社, Wittkieffer, AHM Insights and Nuclear Engineering International, according to runsonwhat (November 2026). Each shares 1 to 2 tools with First Principles, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what First Principles uses?

runsonwhat reads public records only. Of the 7 tools at First Principles, 2 were found through code on readfp.com, 2 through email records, 1 through website configuration files, 1 through DNS 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 readfp.com about monthly.


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