# What does Clar System use?

Clar System (clarsystem.pl) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-10-25).

- Industry: Facilities Services
- Size: 5,001–10,000 employees
- Based in: Poznań, Poland
- Founded: 1999
- LinkedIn: https://www.linkedin.com/company/clar-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 |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | 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 | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code |  |
| [D&B Visitor Intelligence](https://www.runsonwhat.com/reverse/dnb-visitor-intelligence) | Sales & CRM | Website code |  |

## Company Ops

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

## FAQ

### What tools does Clar System use?

As of October 2026, runsonwhat has found 16 tools at Clar System (clarsystem.pl) in public records. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Meta Pixel and Yoast SEO. Company Ops: Microsoft 365 and reCAPTCHA. Last checked October 25, 2026.

### What sales tools does Clar System use?

The sales tools runsonwhat has found at Clar System are D&B Visitor Intelligence (October 2026); no CRM shows up in Clar System's public records. runsonwhat found D&B Visitor Intelligence through D&B Visitor Intelligence code on clarsystem.pl. D&B Visitor Intelligence is used by 363 companies runsonwhat tracks.

### What email provider does Clar System use?

Clar System 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 and email records. Microsoft 365 is used by 715,077 companies runsonwhat tracks.

### What analytics tools does Clar System use?

Clar System uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on clarsystem.pl. Google Analytics is used by 888,740 companies runsonwhat tracks.

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

Clar System uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on clarsystem.pl. WordPress is used by 600,434 companies runsonwhat tracks.

### Does Clar System use jQuery?

Yes. runsonwhat found jQuery at Clar System through jQuery code on clarsystem.pl. jQuery is a Frontend tool used by 920,650 companies runsonwhat tracks.

### Which companies have a tech stack similar to Clar System's?

The companies with the stacks most like Clar System's are QuestMark, Thumbtack, WEX Card and Magnit, according to runsonwhat (October 2026). Each shares 6 to 10 tools with Clar System, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

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

runsonwhat reads public records only. Of the 16 tools at Clar System, 14 were found through code on clarsystem.pl, 1 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 clarsystem.pl about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/clarsystem.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.