# What does FreeSTDCheck use?

FreeSTDCheck (freestdcheck.org) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-11-08).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [WP Engine](https://www.runsonwhat.com/reverse/wpengine) | Hosting & Cloud | Custom domain, 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 |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [GTranslate](https://www.runsonwhat.com/reverse/gtranslate) | Media & UI | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | 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 |  |
| [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |
| [UserWay](https://www.runsonwhat.com/reverse/userway) | Security & Compliance | Website code |  |

## FAQ

### What tools does FreeSTDCheck use?

As of November 2026, runsonwhat has found 14 tools at FreeSTDCheck (freestdcheck.org) in public records. Edge & Hosting: Cloudflare and WP Engine. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress, Meta Pixel and Yoast SEO. Company Ops: Microsoft 365, CookieYes and Mimecast. Last checked November 8, 2026.

### What cloud does FreeSTDCheck run on?

FreeSTDCheck uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found WP Engine through a subdomain that points at WP Engine and code on freestdcheck.org. WP Engine is used by 52,198 companies runsonwhat tracks.

### What email provider does FreeSTDCheck use?

FreeSTDCheck uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 732,144 companies runsonwhat tracks.

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

FreeSTDCheck uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on freestdcheck.org. WordPress is used by 606,706 companies runsonwhat tracks.

### Does FreeSTDCheck use jQuery?

Yes. runsonwhat found jQuery at FreeSTDCheck through jQuery code on freestdcheck.org. jQuery is a Frontend tool used by 927,183 companies runsonwhat tracks.

### How does runsonwhat know what FreeSTDCheck uses?

runsonwhat reads public records only. Of the 14 tools at FreeSTDCheck, 8 were found through code on freestdcheck.org, 4 through DNS records, 1 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and freestdcheck.org about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/freestdcheck.org (updated November 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.