Bootstrap, which functions as an open source tool on the Internet, offers simple usage for CSS and HTML codes, which occupy an important place in applications and web pages. The tool, which can be used for free, contains templates that allow simple adjustments to the content for easy use of CSS and HTML codes. You can easily develop themes and designs for websites and applications using these templates. Bootstrap provides all the necessary equipment for websites for the use of site administrators. In our article “What is Bootstrap and what possibilities does it provide?” we will convey the answers to your questions in detail. Ready-made website development platforms, which have become quite common to use today, are becoming more convenient and easier thanks to Bootstrap. Coding, which constitutes the most difficult processes in the formation of Internet sites, requires a great deal of professionalism in a technical sense. In cases where this professionalism is not provided, it is inevitable to resort to costly solutions. In this case, the importance of the Bootstrap application becomes more apparent. It is developing a little more with each new version to provide practical solutions with its simplified usage in every subject and with JavaScript, style and images in its content.