How to run websites as apps in Linux with any browser

I'm trying to make a Firefox-Based Operating System from Linux : r/linux

Visual Studio Code for the Web

How to: Use Tor for Linux Surveillance Self-Defense

How to run websites as apps in Linux with any browser

Debug Browser Apps using Visual Studio Code

Responsively App Is A Browser For Fast Responsive Web Development (Free And Open Source) - Linux Uprising Blog

How To Run Websites As If They Were Apps in Linux Mint, by Adam Prescott

How To Run Linux from Web Browser - ITechonicS

How to Change Your Default Web Browser