# What does Sei System use?

Sei System (seisystem.it) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: Construction
- Size: 11–50 employees
- Based in: Putignano, Italy
- Founded: 2003
- LinkedIn: https://www.linkedin.com/company/sei-system

## 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 |  |

## 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 |  |
| [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 | Email records, Website code |  |

## FAQ

### What tools does Sei System use?

As of November 2026, runsonwhat has found 9 tools at Sei System (seisystem.it) in public records. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics. Go-to-market: WordPress and Yoast SEO. Company Ops: Microsoft 365. Last checked November 10, 2026.

### What email provider does Sei System use?

Sei System uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on seisystem.it. Microsoft 365 is used by 732,285 companies runsonwhat tracks.

### What analytics tools does Sei System use?

Sei System uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on seisystem.it. Google Analytics is used by 903,824 companies runsonwhat tracks.

### What is Sei System's website built with?

Sei System uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on seisystem.it. WordPress is used by 606,717 companies runsonwhat tracks.

### Does Sei System use jQuery?

Yes. runsonwhat found jQuery at Sei System through jQuery code on seisystem.it. jQuery is a Frontend tool used by 927,188 companies runsonwhat tracks.

### How does runsonwhat know what Sei System uses?

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


---

Source: runsonwhat, https://www.runsonwhat.com/company/seisystem.it (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.