GSAK's tech stack
What does GSAK use?
GSAK (gsak.de) uses at least 16 tools we can see from public records, including Microsoft Azure for hosting, Hotjar for analytics, Usercentrics for security and Microsoft 365 for email and documents. Last checked .
- Industry
- Waste Management
- Size
- 11–50 employees
- Based in
- Krefeld, Germany
- Founded
- 1994
- Company page
- Tools found
- 16
- Categories
- 8
- Layers
- 5 of 5
- Last checked
- Nov 2026
GSAK's stack, layer by layer
Of 16 tools, 13 came from website code, 2 from DNS verification records and 1 from custom domain. Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
Hosting & Cloud
Application
3 tools, what the product is built with
Data & Observability
4 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Company Ops
3 tools, what the team runs on day to day
GSAK tech stack FAQ
What tools does GSAK use?
As of November 2026, runsonwhat has found 16 tools at GSAK (gsak.de) in public records. Edge & Hosting: Microsoft Azure. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Hotjar and Contentsquare. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Atlassian and Usercentrics. Last checked November 10, 2026.
What cloud does GSAK run on?
GSAK uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure. Microsoft Azure is used by 50,512 companies runsonwhat tracks.
What email provider does GSAK use?
GSAK uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 734,153 companies runsonwhat tracks.
What analytics tools does GSAK use?
GSAK uses Google Analytics for analytics, alongside Hotjar, Contentsquare and Azure Monitor, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on gsak.de. Google Analytics is used by 903,917 companies runsonwhat tracks.
Does GSAK use Google Ads?
Yes. runsonwhat found Google Ads at GSAK through Google Ads code on gsak.de. Google Ads is a Ads & Pixels tool used by 540,609 companies runsonwhat tracks.
How does runsonwhat know what GSAK uses?
runsonwhat reads public records only. Of the 16 tools at GSAK, 13 were found through code on gsak.de, 2 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and gsak.de about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.