runsonwhat

Citadium's tech stack

What does Citadium use?

Citadium (citadium.com) uses at least 24 tools we can see from public records, including Microsoft 365 for email and documents, Zendesk for customer support, Google Analytics for analytics and PayPal for payments. Last checked .

Industry
Apparel & Fashion
Size
201–1,000 employees
Based in
Paris, France
Founded
2000
LinkedIn
Company page
Re-check liveVisit citadium.com
Tools found
24
Categories
12
Layers
5 of 5
Last checked
Oct 2026

Citadium'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

2 tools, where the bytes are served from

CDN & Edge

DNS

Application

1 tool, what the product is built with

Payments & Billing

Data & Observability

4 tools, what they measure and store

Analytics

Flags & Experiments

Go-to-market

11 tools, how they find and keep customers

Marketing

Ads & Pixels

Support & Docs

Company Ops

6 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Security & Compliance

Companies like Citadium also use

Tools common among companies with a similar stack that we haven't found at Citadium.

Companies with a stack like Citadium's

Ranked by shared tools, with rare tools counting more.

More Apparel & Fashion companies

Other Apparel & Fashion companies we've checked.

Citadium tech stack FAQ

What tools does Citadium use?

As of October 2026, runsonwhat has found 24 tools at Citadium (citadium.com) in public records. Edge & Hosting: Cloudflare and Gandi. Application: PayPal. Data & Observability: Google Analytics, Google Tag Manager and Contentsquare. Go-to-market: Meta Pixel, Microsoft Ads and TikTok Pixel. Company Ops: Microsoft 365, SendGrid and Proofpoint. Last checked October 20, 2026.

What email provider does Citadium use?

Citadium 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 709,037 companies runsonwhat tracks.

What does Citadium use for customer support?

Citadium uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 41,616 companies runsonwhat tracks.

What payment provider does Citadium use?

Citadium uses PayPal for payments and billing, according to runsonwhat (October 2026). runsonwhat found PayPal through PayPal code on citadium.com. PayPal is used by 34,260 companies runsonwhat tracks.

What analytics tools does Citadium use?

Citadium uses Google Analytics for analytics, alongside Google Tag Manager and Contentsquare, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on citadium.com. Google Analytics is used by 875,601 companies runsonwhat tracks.

What marketing software does Citadium use?

Citadium uses Trusted Shops for marketing, according to runsonwhat (October 2026). runsonwhat found Trusted Shops through Trusted Shops code on citadium.com. Trusted Shops is used by 2,751 companies runsonwhat tracks.

Does Citadium use Cloudflare?

Yes. runsonwhat found Cloudflare at Citadium through a subdomain that points at Cloudflare and code on citadium.com. Cloudflare is a CDN & Edge tool used by 701,396 companies runsonwhat tracks.

Which companies have a tech stack similar to Citadium's?

The companies with the stacks most like Citadium's are GRAINDEMALICE, S.oliver Group Benelux, ROUGEGORGE and Liebeskind Berlin, according to runsonwhat (October 2026). Each shares 9 to 14 tools with Citadium, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Citadium uses?

runsonwhat reads public records only. Of the 24 tools at Citadium, 14 were found through code on citadium.com, 5 through DNS records, 3 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and citadium.com 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.