# What does Bollfilter use?

Bollfilter (bollfilter.com) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Machinery
- Size: 201–1,000 employees
- Based in: Kerpen, Germany
- Founded: 1950
- LinkedIn: https://www.linkedin.com/company/boll-kirch-filterbau-gmbh

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | 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 |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code |  |
| [Haufe umantis](https://www.runsonwhat.com/reverse/umantis) | People & HR | Email records |  |

## FAQ

### What tools does Bollfilter use?

As of October 2026, runsonwhat has found 15 tools at Bollfilter (bollfilter.com) in public records. Edge & Hosting: Cloudflare and Hetzner. Application: jQuery. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Microsoft Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365, Apple Business and Cookiebot. Last checked October 20, 2026.

### What cloud does Bollfilter run on?

Bollfilter uses Hetzner for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Hetzner through DNS records that point at Hetzner. Hetzner is used by 5,105 companies runsonwhat tracks.

### What email provider does Bollfilter use?

Bollfilter uses Microsoft 365 for email and office software, alongside Apple Business, 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 709,039 companies runsonwhat tracks.

### What analytics tools does Bollfilter use?

Bollfilter uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on bollfilter.com. Google Analytics is used by 875,834 companies runsonwhat tracks.

### What does Bollfilter use for hiring and HR?

Bollfilter uses Haufe umantis for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Haufe umantis through email records that authorize Haufe umantis. Haufe umantis is used by 570 companies runsonwhat tracks.

### Does Bollfilter use jQuery?

Yes. runsonwhat found jQuery at Bollfilter through jQuery code on bollfilter.com. jQuery is a Frontend tool used by 913,258 companies runsonwhat tracks.

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

The companies with the stacks most like Bollfilter's are Gwk Gesellschaft Wärme Kältetechnik, Regionalverband Ruhr, HENN and Baader Bank, according to runsonwhat (October 2026). Each shares 5 to 7 tools with Bollfilter, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Bollfilter uses?

runsonwhat reads public records only. Of the 15 tools at Bollfilter, 10 were found through code on bollfilter.com, 4 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and bollfilter.com about monthly.


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