# What does Seysso use?

Seysso (seysso.pl) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-10-19).

- Industry: Consumer Goods
- Size: 51–200 employees
- Based in: Warsaw, Poland
- LinkedIn: https://www.linkedin.com/company/seysso

## Edge & Hosting

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

## Application

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | Website code |  |

## Company Ops

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

## FAQ

### What tools does Seysso use?

As of October 2026, runsonwhat has found 11 tools at Seysso (seysso.pl) in public records. Edge & Hosting: Cloudflare. Application: YouTube. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Klaviyo. Company Ops: Microsoft 365 and reCAPTCHA. Last checked October 19, 2026.

### What email provider does Seysso use?

Seysso 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. Microsoft 365 is used by 712,515 companies runsonwhat tracks.

### What analytics tools does Seysso use?

Seysso uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on seysso.pl. Google Analytics is used by 883,213 companies runsonwhat tracks.

### What marketing software does Seysso use?

Seysso uses Klaviyo for marketing, according to runsonwhat (October 2026). runsonwhat found Klaviyo through Klaviyo code on seysso.pl. Klaviyo is used by 35,304 companies runsonwhat tracks.

### Does Seysso use Cloudflare?

Yes. runsonwhat found Cloudflare at Seysso through Cloudflare code on seysso.pl. Cloudflare is a CDN & Edge tool used by 704,827 companies runsonwhat tracks.

### How does runsonwhat know what Seysso uses?

runsonwhat reads public records only. Of the 11 tools at Seysso, 8 were found through code on seysso.pl, 2 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and seysso.pl about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/seysso.pl (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.