# What does Celsa use?

Celsa (celsa.com.pe) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Electrical/electronic Manufacturing
- Size: 201–1,000 employees
- Based in: Lima, Peru
- Founded: 1983
- LinkedIn: https://www.linkedin.com/company/celsaperu

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |

## Data & Observability

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |

## FAQ

### What tools does Celsa use?

As of October 2026, runsonwhat has found 9 tools at Celsa (celsa.com.pe) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: Google Fonts and React. Data & Observability: Google Analytics. Company Ops: Google Workspace and SendGrid. Last checked October 20, 2026.

### What cloud does Celsa run on?

Celsa uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 145,632 companies runsonwhat tracks.

### What email provider does Celsa use?

Celsa 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 celsa.com.pe. Google Workspace is used by 402,386 companies runsonwhat tracks.

### What analytics tools does Celsa use?

Celsa uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on celsa.com.pe. Google Analytics is used by 879,330 companies runsonwhat tracks.

### Does Celsa use Google Fonts?

Yes. runsonwhat found Google Fonts at Celsa through Google Fonts code on celsa.com.pe. Google Fonts is a Media & UI tool used by 809,455 companies runsonwhat tracks.

### How does runsonwhat know what Celsa uses?

runsonwhat reads public records only. Of the 9 tools at Celsa, 3 were found through code on celsa.com.pe, 2 through DNS records, 2 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and celsa.com.pe about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/celsa.com.pe (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.