Prism

Shows which software behind a website is out of date.

Tool, 2026

Prism on laptop and phone

7,500+ technology fingerprints

Scan a website
Desktop

Frameworks get updates, libraries reach end of life, PHP versions turn unsafe. At some point your website is a barn door left wide open, and you don't even know it.

What I built

URL in, full tech stack out

I built Prism: you enter a URL and see the stack fanned out in seconds, from the CMS down to the server software. Every detected version is checked against endoflife.date and gets a rating from CRITICAL to OK. Prism also finds what sits underneath: Craft CMS runs on Yii, Yii runs on PHP. One scan tells you where the fire is, on your own sites and on your clients'.

Desktop result

What it can do

URL in, full tech stack out
URL in, full tech stack out
Flags outdated and end-of-life versions
Flags outdated and end-of-life versions
Five ratings from CRITICAL to OK
Five ratings from CRITICAL to OK

Numbers

7,500+ technology fingerprints
444+ products with version checks

Code and stack

  • Next.js
  • TypeScript
  • Docker
  • webappanalyzer-Fingerabdrücke
  • endoflife.date-API

I built this for myself. I'll build yours the same way.

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