Celtys's tech stack
What does Celtys use?
Celtys (celtys.fr) uses at least 14 tools we can see from public records, including Google Workspace for email and documents, Google Analytics for analytics, WordPress for its website and Mailchimp for marketing. Last checked .
- Industry
- Architecture & Planning
- Size
- 201–1,000 employees
- Based in
- Landivisiau, France
- Founded
- 1954
- Company page
- Tools found
- 14
- Categories
- 10
- Layers
- 5 of 5
- Last checked
- Oct 2026
Celtys'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
DNS
Application
3 tools, what the product is built with
Frontend
Media & UI
Data & Observability
3 tools, what they measure and store
Go-to-market
4 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
Celtys tech stack FAQ
What tools does Celtys use?
As of November 2026, runsonwhat has found 14 tools at Celtys (celtys.fr) in public records. Edge & Hosting: Gandi. Application: jQuery, Vimeo and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Matomo. Go-to-market: WordPress, Google Ads and Mailchimp. Company Ops: Google Workspace, Mailchimp Transactional and Axeptio. Last checked October 31, 2026.
What email provider does Celtys use?
Celtys uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 412,629 companies runsonwhat tracks.
What analytics tools does Celtys use?
Celtys uses Google Analytics for analytics, alongside Google Tag Manager and Matomo, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on celtys.fr. Google Analytics is used by 905,976 companies runsonwhat tracks.
What is Celtys's website built with?
Celtys uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on celtys.fr. WordPress is used by 607,146 companies runsonwhat tracks.
What marketing software does Celtys use?
Celtys uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 117,854 companies runsonwhat tracks.
Does Celtys use jQuery?
Yes. runsonwhat found jQuery at Celtys through jQuery code on celtys.fr. jQuery is a Frontend tool used by 929,942 companies runsonwhat tracks.
How does runsonwhat know what Celtys uses?
runsonwhat reads public records only. Of the 14 tools at Celtys, 9 were found through code on celtys.fr, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and celtys.fr 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.