IaaS
Infrastructure as a Service
You rent virtual machines, networks and disks. Example: Azure Virtual Machines.
Hosted on Cloudflare
No computer at home is running it. The page is delivered from Cloudflare's global network, and the live panel below is answered by a serverless function that only starts when someone asks for it.
See it liveEach click sends a request to /api/info, a function running in a Cloudflare data centre near you.
Asks for the website over HTTPS.
Sends the HTML, CSS and JavaScript from a server close to you.
Starts on demand, works out the answer and shuts down again when idle.
Cloud computing means renting computing power, storage and software over the internet instead of buying and running your own hardware. You pay for what you use, or, like this site, use a free tier.
Infrastructure as a Service
You rent virtual machines, networks and disks. Example: Azure Virtual Machines.
Platform as a Service
You upload your code and the provider runs it. Example: Cloudflare Pages, which hosts this page.
Software as a Service
You simply use finished software in the browser. Example: Microsoft 365, Gmail.
Functions as a Service
Code runs only when it's called. Example: Cloudflare Workers, which powers the live panel.