Top 5 CSS Frameworks In 2021 | By CodeWithWebDev

What is a Framework?

Why use a Framework?

  • Avoid reusing code.
  • Responsive Design without going deep into Media Queries.
  • Clean and systematic code.
  • Cross-browser support.
  • Faster development, as no need to write more CSS.
  • Good Web Designing.


  • Release Date: August 19, 2011
  • GitHub Stars: 146k
  • Documentation: Excellent
  • Browser Support: Cross-browser support.
  • Used by: Spotify, Twitter, Udemy.

Advantages of Bootstrap

  • Responsive Grid (rows & columns, responsive behavior)
  • Pre-made HTML Components (buttons, forms, )
  • Cross-Browser Compatibility
  • Easy to Use & Learn
  • Active Development (new versions, and constant bug fixes)
  • Flexible & Customizable
  • A vast Community Support.
  • Can use JS, without writing a single line of JS.

Disadvantages of Bootstrap

  • All Bootstrap sites look similar.
  • Will have to remember all class names to add Bootstrap pre-made elements.
  • Heavy to use, the size of the file becomes high.


  • Release Date: November 2, 2017
  • GitHub Stars: 34.1K
  • Documentation: Good
  • Browser Support: Only Modern Browsers.
  • Used by: BlaBlaCar, OnlineDoctor, hubblr, LiveStorm.

Advantages of Tailwind CSS

  • No default theme/styling.
  • You do not need to undo styling and apply your own style to the design.
  • Pre-designed widgets to build our site.

Disadvantages of Tailwind CSS

  • No pre-defined components.
  • Need to give time to learn all CSS helper classes.


  • Release Date: January 24, 2016
  • GitHub Stars: 42.3K
  • Documentation: Good
  • Browser Support: Firefox, Chrome, Edge, Opera, Safari.
  • Used by: TipOff, Rubrik, Django, PlusDental.

Advantages of Bulma

  • Light-weight, flex-box based framework.
  • Modularity.
  • Provides flexibility.
  • Easy Setup
  • Easy to learn.
  • Built using pure CSS, so can combine with JS Frameworks.

Disadvantages of Bulma

  • No JavaScript Elements.
  • Limited support for accessibility
  • New, so less community support.
  • It is constantly in the development phase.
  • Slow on web browsers.


  • Release Date: September 2011.
  • GitHub Stars: 38.3K
  • Documentation: Excellent
  • Browser Support: It doesn’t support all browsers & also not the older versions.
  • Used by: type stack, sumato soft, faveable, necompare.

Advantages of Materialize CSS

  • Great Documentation.
  • Easy to use
  • Component-based framework.

Disadvantages of Materialize CSS

  • No support for old browser versions.
  • Large/heavy
  • All websites look similar
  • No Flexbox used
  • Not maintained anymore.
  • Little control over components.


  • Release Date: September 2011.
  • GitHub Stars: 28.9K
  • Documentation: Good
  • Browser Support: Chrome, Firefox, Safari, and few other versions of some browsers.
  • Used by: Amazon, HP, Adobe, Disney.

Advantages of Foundation

  • Mobile First, responsive web design framework.
  • Provides support for applications & emails.
  • Easy to customize.
  • Open Source & free to use.

Disadvantages of Foundation

  • Large dependency size.
  • Not that beginner-friendly.
  • Takes time to understand.


  • Responsiveness
  • Browser support.
  • Learning curve.
  • What CSS-Preprocess is used.
  • UI Design

A few Frameworks that we would also like to mention:

  1. Pure CSS.
  2. Semantic UI.
  3. UI Kit.
  4. Skeleton.

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