There are many web development frameworks available, and the best one for you to learn will depend on the specific use case and the programming language you are working with. However, here are a few popular web development frameworks that are widely used and worth considering:
React.js: React.js is a JavaScript library for building user interfaces. It is highly popular and widely used for building large-scale web applications.
Angular: Angular is a JavaScript framework for building web applications. It is highly popular and widely used for building large-scale web applications.
Vue.js: Vue.js is a JavaScript framework for building user interfaces. It is similar to React.js, but it is considered more approachable for beginners.
Ruby on Rails: Ruby on Rails is a web development framework written in the Ruby programming language. It is widely used for building web applications and is known for its "convention over configuration" approach, which makes it easy to get started.
Django: Django is a web development framework written in the Python programming language. It is widely used for building web applications and is known for its "batteries included" approach, which means that it comes with a lot of built-in functionality.
These are just a few examples of popular web development frameworks. There are many others available, and new ones are being developed all the time. It's always good to keep yourself updated with the new frameworks, but it's also important to master one framework first before moving to another one.