# What does CLESA use?

CLESA (clesa.net) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-10-20).

- Founded: 1943

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Hornetsecurity](https://www.runsonwhat.com/reverse/hornetsecurity) | Security & Compliance | Email records |  |
| [MailerSend](https://www.runsonwhat.com/reverse/mailersend) | Email Delivery | Email records |  |

## FAQ

### What tools does CLESA use?

As of October 2026, runsonwhat has found 11 tools at CLESA (clesa.net) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Font Awesome and Vimeo. Data & Observability: Google Analytics. Go-to-market: WordPress. Company Ops: Microsoft 365, reCAPTCHA and Hornetsecurity. Last checked October 20, 2026.

### What email provider does CLESA use?

CLESA uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 711,314 companies runsonwhat tracks.

### What analytics tools does CLESA use?

CLESA uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on clesa.net. Google Analytics is used by 881,421 companies runsonwhat tracks.

### What is CLESA's website built with?

CLESA uses WordPress for its website, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on clesa.net. WordPress is used by 597,984 companies runsonwhat tracks.

### Does CLESA use jQuery?

Yes. runsonwhat found jQuery at CLESA through jQuery code on clesa.net. jQuery is a Frontend tool used by 916,790 companies runsonwhat tracks.

### How does runsonwhat know what CLESA uses?

runsonwhat reads public records only. Of the 11 tools at CLESA, 6 were found through code on clesa.net, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and clesa.net about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/clesa.net (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.