CRS4's tech stack
What does CRS4 use?
CRS4 (crs4.it) uses at least 10 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, WordPress for its website and reCAPTCHA for security. Last checked .
- Based in
- Italy
- Company page
- Tools found
- 10
- Categories
- 8
- Layers
- 4 of 5
- Last checked
- Nov 2026
CRS4'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.
Application
2 tools, what the product is built with
Frontend
Media & UI
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
3 tools, how they find and keep customers
Website & CMS
Marketing
Company Ops
4 tools, what the team runs on day to day
CRS4 tech stack FAQ
What tools does CRS4 use?
As of November 2026, runsonwhat has found 10 tools at CRS4 (crs4.it) in public records. Application: jQuery and Lottie. Data & Observability: Google Analytics. Go-to-market: WordPress and Yoast SEO. Company Ops: Microsoft 365, reCAPTCHA and Webex. Last checked November 1, 2026.
What email provider does CRS4 use?
CRS4 uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 719,709 companies runsonwhat tracks.
What analytics tools does CRS4 use?
CRS4 uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on crs4.it. Google Analytics is used by 906,164 companies runsonwhat tracks.
What is CRS4's website built with?
CRS4 uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on crs4.it. WordPress is used by 607,131 companies runsonwhat tracks.
Does CRS4 use jQuery?
Yes. runsonwhat found jQuery at CRS4 through jQuery code on crs4.it. jQuery is a Frontend tool used by 929,992 companies runsonwhat tracks.
How does runsonwhat know what CRS4 uses?
runsonwhat reads public records only. Of the 10 tools at CRS4, 7 were found through code on crs4.it, 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and crs4.it 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.