Circle U.'s tech stack
What does Circle U. use?
Circle U. (circle-u.eu) uses at least 9 tools we can see from public records, including OVHcloud for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Mailchimp Transactional for email delivery. Last checked .
- Company page
- Tools found
- 9
- Categories
- 8
- Layers
- 5 of 5
- Last checked
- Oct 2026
Circle U.'s stack, layer by layer
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
2 tools, what the product is built with
Frontend
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
Circle U. tech stack FAQ
What tools does Circle U. use?
As of November 2026, runsonwhat has found 9 tools at Circle U. (circle-u.eu) in public records. Edge & Hosting: OVHcloud. Application: jQuery and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads. Company Ops: Microsoft 365 and Mailchimp Transactional. Last checked October 31, 2026.
What cloud does Circle U. run on?
Circle U. uses OVHcloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found OVHcloud through DNS records that point at OVHcloud. OVHcloud is used by 27,423 companies runsonwhat tracks.
What email provider does Circle U. use?
Circle U. 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 and email records. Microsoft 365 is used by 720,910 companies runsonwhat tracks.
What analytics tools does Circle U. use?
Circle U. uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on circle-u.eu. Google Analytics is used by 906,014 companies runsonwhat tracks.
Does Circle U. use jQuery?
Yes. runsonwhat found jQuery at Circle U. through jQuery code on circle-u.eu. jQuery is a Frontend tool used by 929,922 companies runsonwhat tracks.
How does runsonwhat know what Circle U. uses?
runsonwhat reads public records only. Of the 9 tools at Circle U., 5 were found through code on circle-u.eu, 3 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 circle-u.eu 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.