In modern web development, understanding various technologies and tools is crucial for creating robust applications. Key areas include HTML, CSS, and JavaScript, each with its own set of best practices and frameworks.
With modern frameworks and CSS-in-JS you don't have to worry about these anymore but still it would be a good idea to get familiarized with BEM atleast.
Build Tools
Task Runners
npm scripts
Linters and Formatters
ESLint
Prettier
CSS Preprocessors
PostCSS
Sass
1
CSS Architecture
BEM
Package Managers
yarn
npm
Web Security Knowlege
CORS
Content Security Policy
OWASP Security Risks
0
HTTPS
Version Control Systems(What are they and why you should use one