# Introduction HTML is a markup language used to create the structure and content of web pages. The `<strong>` tag in HTML is used to indicate text that has a great degree of importance compared to the other content on a webpage. This tag is important to give meaning to the text for browsers and search engines. > Note: You can practice coding in `index.html` and learn [How to Write HTML in Visual Studio Code](https://code.visualstudio.com/docs/languages/html). Please click on 'Go Live' in the bottom right corner to run the web service on port 8080. Then, you can refresh the **Web 8080** Tab to preview the web page.
Click the virtual machine below to start practicing