Web developers rely on built-in browser tools to see how websites actually work under the hood. These tools let you inspect the code that makes up a page, test how it looks on different screen sizes, and spot problems that prevent things from loading or displaying correctly. Whether you're building a site yourself or just curious about how the pages you visit are constructed, understanding these tools shows you what's happening behind the scenes.
The articles here explain how to open and use these developer tools, read the code that creates a webpage, check how fast pages load, and test your work across different devices and browsers. You'll learn what each tool does and when you'd actually need it, from finding broken links to adjusting colors and spacing before you publish your site.