SII's tech stack
What does SII use?
SII (siib.fr) uses at least 8 tools we can see from public records, including Postmark for email delivery, Trend Micro for security, WordPress for its website and Cloudflare for content delivery. Last checked .
- Industry
- Computer & Network Security
- Size
- 11–50 employees
- Based in
- Bobigny, France
- Founded
- 1971
- Company page
- Tools found
- 8
- Categories
- 6
- Layers
- 4 of 5
- Last checked
- Nov 2026
SII's stack, layer by layer
Of 8 tools, 5 came from website code, 2 from email records and 1 from DNS 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
1 tool, where the bytes are served from
CDN & Edge
Application
4 tools, what the product is built with
Frontend
Go-to-market
1 tool, how they find and keep customers
Website & CMS
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Security & Compliance
SII tech stack FAQ
What tools does SII use?
As of November 2026, runsonwhat has found 8 tools at SII (siib.fr) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress. Company Ops: Postmark and Trend Micro. Last checked November 13, 2026.
What is SII's website built with?
SII uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on siib.fr. WordPress is used by 606,961 companies runsonwhat tracks.
Does SII use jQuery?
Yes. runsonwhat found jQuery at SII through jQuery code on siib.fr. jQuery is a Frontend tool used by 927,286 companies runsonwhat tracks.
How does runsonwhat know what SII uses?
runsonwhat reads public records only. Of the 8 tools at SII, 5 were found through code on siib.fr, 2 through email records and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and siib.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.