# What does Castillo de If use?

Castillo de If (castillodeif.com) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-11-01).

- Industry: Marketing and Advertising
- Size: 51–200 employees
- Based in: Zona 14, Guatemala
- Founded: 2015
- LinkedIn: https://www.linkedin.com/company/castillo-de-if

## 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 |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |

## Go-to-market

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

## FAQ

### What tools does Castillo de If use?

As of November 2026, runsonwhat has found 9 tools at Castillo de If (castillodeif.com) in public records. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress and Yoast SEO. Last checked November 1, 2026.

### What is Castillo de If's website built with?

Castillo de If uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on castillodeif.com. WordPress is used by 606,863 companies runsonwhat tracks.

### Does Castillo de If use jQuery?

Yes. runsonwhat found jQuery at Castillo de If through jQuery code on castillodeif.com. jQuery is a Frontend tool used by 928,143 companies runsonwhat tracks.

### How does runsonwhat know what Castillo de If uses?

runsonwhat reads public records only. Of the 9 tools at Castillo de If, 8 were found through code on castillodeif.com, 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and castillodeif.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/castillodeif.com (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.