CONCAT's tech stack
What does CONCAT use?
CONCAT (concat.kr) uses at least 6 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents and Vercel Analytics for analytics. Last checked .
“콘캣(CONCAT)이 만들고 정리한 프로젝트·디자인·컬처 아티클 검색.”
- Industry
- IT Services
- Size
- 11–50 employees
- Based in
- South Korea
- Founded
- 2018
- Company page
- Tools found
- 6
- Categories
- 6
- Layers
- 5 of 5
- Changes seen
- 1
CONCAT'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
Backend & Database
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
1 tool, what the team runs on day to day
Workspace
What changed at CONCAT
Recent starts and stops
- StartedFirebase
CONCAT tech stack FAQ
What tools does CONCAT use?
As of November 2026, runsonwhat has found 6 tools at CONCAT (concat.kr) in public records. Edge & Hosting: Vercel. Application: Next.js and Firebase. Data & Observability: Vercel Analytics. Company Ops: Google Workspace. Last checked October 31, 2026.
What cloud does CONCAT run on?
CONCAT uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and DNS records. Vercel is used by 51,862 companies runsonwhat tracks.
What email provider does CONCAT use?
CONCAT 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 414,515 companies runsonwhat tracks.
What analytics tools does CONCAT use?
CONCAT uses Vercel Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Vercel Analytics through Vercel Analytics code on concat.kr. Vercel Analytics is used by 8,197 companies runsonwhat tracks.
Does CONCAT use Next.js?
Yes. runsonwhat found Next.js at CONCAT through Next.js code on concat.kr. Next.js is a Frontend tool used by 69,376 companies runsonwhat tracks.
Has CONCAT changed tools recently?
Yes. On runsonwhat's rechecks, CONCAT started using Firebase (latest on October 21, 2026). A change counts only between two checks of concat.kr done the same way.
How does runsonwhat know what CONCAT uses?
runsonwhat reads public records only. Of the 6 tools at CONCAT, 2 were found through code on concat.kr, 2 through subdomains that point at the vendor, 1 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 concat.kr 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.