# What does Testlum use?

Testlum (testlum.com) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-10-23).

- Industry: Software
- Size: 51–200 employees
- Based in: New York, United States
- LinkedIn: https://www.linkedin.com/company/testlum

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code |  |

## 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 |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | Website code |  |

## Company Ops

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

## FAQ

### What tools does Testlum use?

As of October 2026, runsonwhat has found 11 tools at Testlum (testlum.com) in public records. Edge & Hosting: Cloudflare. Application: YouTube, GSAP and Vue.js. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads and Ahrefs. Company Ops: Google Workspace and reCAPTCHA. Last checked October 23, 2026.

### What email provider does Testlum use?

Testlum uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 401,481 companies runsonwhat tracks.

### What analytics tools does Testlum use?

Testlum uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on testlum.com. Google Analytics is used by 873,460 companies runsonwhat tracks.

### What marketing software does Testlum use?

Testlum uses Ahrefs for marketing, according to runsonwhat (October 2026). runsonwhat found Ahrefs through Ahrefs code on testlum.com. Ahrefs is used by 23,401 companies runsonwhat tracks.

### Does Testlum use Cloudflare?

Yes. runsonwhat found Cloudflare at Testlum through DNS records that point at Cloudflare and code on testlum.com. Cloudflare is a CDN & Edge tool used by 700,760 companies runsonwhat tracks.

### How does runsonwhat know what Testlum uses?

runsonwhat reads public records only. Of the 11 tools at Testlum, 8 were found through code on testlum.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 testlum.com about monthly.


---

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