# What does 121 СУ "Георги Измирлиев" use?

121 СУ "Георги Измирлиев" (121su.org) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Primary/secondary Education
- Size: 51–200 employees
- Based in: Bulgaria
- Founded: 1972
- LinkedIn: https://www.linkedin.com/school/su121

## 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 |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [AddToAny](https://www.runsonwhat.com/reverse/addtoany) | Media & UI | Website code |  |

## Go-to-market

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

## FAQ

### What tools does 121 СУ "Георги Измирлиев" use?

As of October 2026, runsonwhat has found 9 tools at 121 СУ "Георги Измирлиев" (121su.org) in public records. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress, Google Ads and Yoast SEO. Last checked October 20, 2026.

### What is 121 СУ "Георги Измирлиев"'s website built with?

121 СУ "Георги Измирлиев" uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on 121su.org. WordPress is used by 598,994 companies runsonwhat tracks.

### Does 121 СУ "Георги Измирлиев" use jQuery?

Yes. runsonwhat found jQuery at 121 СУ "Георги Измирлиев" through jQuery code on 121su.org. jQuery is a Frontend tool used by 918,383 companies runsonwhat tracks.

### How does runsonwhat know what 121 СУ "Георги Измирлиев" uses?

runsonwhat reads public records only. Of the 9 tools at 121 СУ "Георги Измирлиев", 8 were found through code on 121su.org, 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 121su.org about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/121su.org (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.