# What does Codebase.Observer use?

Codebase.Observer (codebase.observer) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-10-09).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code |  |
| [Namecheap](https://www.runsonwhat.com/reverse/namecheap) | DNS | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | Custom domain, DNS records |  |

## Data & Observability

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

## Company Ops

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

## FAQ

### What tools does Codebase.Observer use?

As of October 2026, runsonwhat has found 8 tools at Codebase.Observer (codebase.observer) in public records. Edge & Hosting: Google Cloud, Fastly and Namecheap. Application: Firebase. Data & Observability: Google Analytics and Sentry. Company Ops: reCAPTCHA. Last checked October 9, 2026.

### What cloud does Codebase.Observer run on?

Codebase.Observer uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through Google Cloud code on codebase.observer. Google Cloud is used by 73,949 companies runsonwhat tracks.

### What analytics tools does Codebase.Observer use?

Codebase.Observer uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on codebase.observer. Google Analytics is used by 761,460 companies runsonwhat tracks.

### What monitoring tools does Codebase.Observer use?

Codebase.Observer uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on codebase.observer. Sentry is used by 67,394 companies runsonwhat tracks.

### Does Codebase.Observer use reCAPTCHA?

Yes. runsonwhat found reCAPTCHA at Codebase.Observer through reCAPTCHA code on codebase.observer. reCAPTCHA is a Security & Compliance tool used by 234,082 companies runsonwhat tracks.

### How does runsonwhat know what Codebase.Observer uses?

runsonwhat reads public records only. Of the 8 tools at Codebase.Observer, 5 were found through code on codebase.observer, 2 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 codebase.observer about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/codebase.observer (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.