runsonwhat

Rum21's tech stack

What does Rum21 use?

Rum21 (rum21.se) uses at least 28 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Dixa for customer support and Google Analytics for analytics. Last checked .

Industry
Internet
Size
11–50 employees
Based in
Gothenburg, Sweden
Founded
2006
LinkedIn
Company page
Re-check liveVisit rum21.se
Tools found
28
Categories
12
Layers
5 of 5
Last checked
Oct 2026

Rum21'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

Hosting & Cloud

CDN & Edge

Application

1 tool, what the product is built with

Frontend

Data & Observability

4 tools, what they measure and store

Monitoring

Analytics

Go-to-market

14 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Support & Docs

Company Ops

7 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

Companies like Rum21 also use

Tools common among companies with a similar stack that we haven't found at Rum21.

Companies with a stack like Rum21's

Ranked by shared tools, with rare tools counting more.

More Internet companies

Other Internet companies we've checked.

Rum21 tech stack FAQ

What tools does Rum21 use?

As of October 2026, runsonwhat has found 28 tools at Rum21 (rum21.se) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: React. Data & Observability: Google Analytics, Microsoft Clarity and Sentry. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 21, 2026.

What cloud does Rum21 run on?

Rum21 uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on rum21.se. Amazon Web Services is used by 145,598 companies runsonwhat tracks.

What email provider does Rum21 use?

Rum21 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 710,116 companies runsonwhat tracks.

What does Rum21 use for customer support?

Rum21 uses Dixa for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Dixa through email records that authorize Dixa. Dixa is used by 289 companies runsonwhat tracks.

What analytics tools does Rum21 use?

Rum21 uses Google Analytics for analytics, alongside Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on rum21.se. Google Analytics is used by 877,906 companies runsonwhat tracks.

What is Rum21's website built with?

Rum21 uses Prismic for its website, according to runsonwhat (October 2026). runsonwhat found Prismic through Prismic code on rum21.se. Prismic is used by 1,526 companies runsonwhat tracks.

Does Rum21 use Cloudflare?

Yes. runsonwhat found Cloudflare at Rum21 through DNS records that point at Cloudflare and code on rum21.se. Cloudflare is a CDN & Edge tool used by 702,365 companies runsonwhat tracks.

Which companies have a tech stack similar to Rum21's?

The companies with the stacks most like Rum21's are Royal Design Group, Fastspeed, Brasa Crossfit and Facturama, according to runsonwhat (October 2026). Each shares 3 to 18 tools with Rum21, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Rum21 uses?

runsonwhat reads public records only. Of the 28 tools at Rum21, 19 were found through code on rum21.se, 5 through email records and 4 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rum21.se 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.