Prevent user from accessing the app offline (by doing Save web page in the browser)

Hi, how to prevent user from accessing the app offline (by doing Save web page in the browser). Currently when I save web page, i can access my app without login and even internet. Thank you! :)

getting error in installing react and create react app ??

Create React App deployed in GitHubPages but it shows README section not app interface

I made a react application using Create React App. I could manage to deploy it on GitHubPages but unfortunately it shows README.md, not application itself. This is my GitHub page. I tried to figure it out the problem but I cannot find the solution by...

How can I use create-react-app with node?

I am trying to figure out how to use create-react-app with node, most of the tutorials I've ran across don't use create-react-app / just use script tags in their html. How can I use node.js/expressJS with create-react-app. I have seen some uses where...

What is the simplest way to use Express within create-react-app?

There is this: https://medium.com/@patriciolpezjuri/using-create-react-app-with-react-router-express-js-8fa658bf892d & this: https://www.akawebdesign.com/2016/11/30/combining-create-react-app-express/ without having to run 2 dev servers