What is roadmap to follow for frontend developer.

Answer 1

The very basics you need as a front end developer are HTML, CSS, and JavaScript

(These are optional)

You might want to look into some CSS Frameworks
.Bootstrap
.TailWind CSS
.Bulma

Also CSS Preprocessors
.SCSS
.LESS
.Stylus

Then, JS Libraries & Frameworks
.jQuery
.VueJS
.React
.Angular

Answer 2

https://roadmap.sh
check this out

Answer 3

https://code.sololearn.com/WywHbYWu1173/?ref=app
https://code.sololearn.com/W5vTxD5t5TKh/?ref=app