# What does The Lean Startup use?

The Lean Startup (theleanstartup.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-31).

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## 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 |  |
| [Crazy Egg](https://www.runsonwhat.com/reverse/crazyegg) | 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 |  |
| [beehiiv](https://www.runsonwhat.com/reverse/beehiiv) | Marketing | Website code |  |

## Company Ops

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

## FAQ

### What tools does The Lean Startup use?

As of October 2026, runsonwhat has found 14 tools at The Lean Startup (theleanstartup.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: jQuery, Google Fonts and React. Data & Observability: Google Analytics, Google Tag Manager and Crazy Egg. Go-to-market: Google Ads, Meta Pixel and beehiiv. Company Ops: Google Workspace and HUMAN Security. Last checked October 31, 2026.

### What email provider does The Lean Startup use?

The Lean Startup 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 theleanstartup.com. Google Workspace is used by 406,784 companies runsonwhat tracks.

### What analytics tools does The Lean Startup use?

The Lean Startup uses Google Analytics for analytics, alongside Google Tag Manager and Crazy Egg, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on theleanstartup.com. Google Analytics is used by 897,640 companies runsonwhat tracks.

### What marketing software does The Lean Startup use?

The Lean Startup uses beehiiv for marketing, according to runsonwhat (October 2026). runsonwhat found beehiiv through beehiiv code on theleanstartup.com. beehiiv is used by 649 companies runsonwhat tracks.

### Does The Lean Startup use jQuery?

Yes. runsonwhat found jQuery at The Lean Startup through jQuery code on theleanstartup.com. jQuery is a Frontend tool used by 924,929 companies runsonwhat tracks.

### Does The Lean Startup use AI tools?

Yes. runsonwhat has found OpenAI at The Lean Startup; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so The Lean Startup may use more AI tools than these.

### Which companies have a tech stack similar to The Lean Startup's?

The companies with the stacks most like The Lean Startup's are Zartek Technologies, Stacks, Telegrafi and 9to5Toys, according to runsonwhat (October 2026). Each shares 9 to 10 tools with The Lean Startup, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what The Lean Startup uses?

runsonwhat reads public records only. Of the 14 tools at The Lean Startup, 11 were found through code on theleanstartup.com, 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 theleanstartup.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/theleanstartup.com (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.