Webcastor's tech stack
What does Webcastor use?
Webcastor (webcastor.fr) uses at least 8 tools we can see from public records, including Vercel for hosting, 1Password for security and Microsoft 365 for email and documents. Last checked .
- Industry
- Internet
- Size
- 11–50 employees
- Based in
- Villeurbanne, France
- Founded
- 2003
- Company page
- Tools found
- 8
- Categories
- 6
- Layers
- 4 of 5
- Last checked
- Nov 2026
Webcastor's stack, layer by layer
Of 8 tools, 3 came from DNS verification records, 1 from email records, 1 from website config and 3 from other records. 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
Application
2 tools, what the product is built with
Frontend
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
3 tools, what the team runs on day to day
Security & Compliance
Webcastor tech stack FAQ
What tools does Webcastor use?
As of November 2026, runsonwhat has found 8 tools at Webcastor (webcastor.fr) in public records. Edge & Hosting: Vercel and OVHcloud. Application: Next.js. Company Ops: Microsoft 365, Google Workspace and 1Password. Last checked November 10, 2026.
What cloud does Webcastor run on?
Webcastor uses Vercel for hosting and cloud infrastructure, alongside OVHcloud, according to runsonwhat (November 2026). runsonwhat found Vercel through DNS records that point at Vercel and a subdomain. Vercel is used by 53,099 companies runsonwhat tracks.
What email provider does Webcastor use?
Webcastor uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 734,077 companies runsonwhat tracks.
Does Webcastor use Next.js?
Yes. runsonwhat found Next.js at Webcastor through Next.js code on webcastor.fr. Next.js is a Frontend tool used by 70,034 companies runsonwhat tracks.
How does runsonwhat know what Webcastor uses?
runsonwhat reads public records only. Of the 8 tools at Webcastor, 4 were found through DNS records, 1 through email records, 1 through website configuration files, 1 through code on webcastor.fr and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and webcastor.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.