Bootstrap is a CSS framework and right now one of the most used web languages. It’s a combination of html, CSS and JavaScript and helps in creating responsive web pages . There's a reason why it is so widely used in web development, bootstrap is easy to work with because it is supported by a large number of browsers and also your design can be adjusted according to the devices plus it’s absolutely free to use. If you are absolute beginner and know nothing about bootstrap then bootstrap’s official website https://getbootstrap.com/ does a favour here because it’s documentation section explains bootstrap in a way that even layman can understand ,plus many websites offer pre made bootstrap templates for better understanding. Since its release bootstrap developers are coming with better and better versions of it with new and better components, In conclusion bootstrap helps you create great looking web pages in a fast and easy manner . 

For those developers who work in web development, Bootstrap is not a new term for them. Bootstrap is one of the most popular and widely used web development frameworks, and it is used mainly for developing highly-responsive projects in HTML, CSS, and JavaScript. Essentially, Bootstrap reduces the time needed to get a modern website and running that. We get to use design templates for various aspects of a site, from typography to buttons or image carousels. In order to make our job easier, we need to learn how to use it in the first place.

A Primer on Bootstrap

Before doing anything else, we need to master the basics of using Bootstrap. If we take a look at the official Bootstrap website we will see that Bootstrap is defined as an HTML, CSS, and JS framework which is used to develop mobile-first, responsive projects. It is important to add that Bootstrap is an open-source tool which helps thousands of people who create prototypes of their projects or build apps from start to finish using design time-savers like Sass variables which are included in Bootstrap’s built-in tools. It also comes equipped with a grid system, pre-built components, and plugins which are built with jQuery to fit any project.

Some Reasons for programmers why they preferred Bootstrap Framework

1. Easy to get started

2. Great grid system

3. Base styling for most HTML elements(Typography,Code,Tables,Forms,Buttons,Images,Icons)

4. Extensive list of components

5. Bundled Javascript plugins

6. bootstrap.css – CSS framework

7. bootstrap.js –JavaScript/jQuery framework

8. glyphicons –Icon font set

Bootstrap is an open-source Javascript framework that is developed by the team at Twitter. It is a combination of HTML, CSS, and Javascript code designed which help to build user interface components. Bootstrap is also programmed to support both HTML5 and CSS3.

Also, it is known as Front-end-framework.

Bootstrap is also a free collection of tools for creating websites and web applications.