How to View and Extract the Source Code of a Website

Beyond "View Page Source"

The traditional method of viewing website code is hitting CTRL+U (or right-clicking and selecting "View Page Source"). This shows you the raw HTML document exactly as it was delivered by the server.

However, in the modern web era dominated by Single Page Applications (SPAs) built with React, Vue, or Next.js, "View Page Source" is often practically useless. You will likely just see an empty <div id="app"></div> and a massive, unreadable JavaScript bundle.

Understanding the DOM vs. Source HTML

To see the actual code that is rendering the user interface you are looking at, you need to view the DOM (Document Object Model). The DOM represents the live, interactive state of the page after JavaScript has executed and manipulated the structure.

You can access this via the Elements panel in Chrome Developer Tools (F12). Here, you can see the active HTML structure and the CSS rules applying to each specific element in real-time.

The Problem with Copy/Paste

While DevTools is incredible for debugging, it is terrible for extraction. If you find a beautifully designed pricing card and try to copy its HTML from DevTools, you will find that when you paste it locally, it looks completely broken.

This happens because you only copied the structural HTML. You left behind the hundreds of CSS rules, media queries, and font definitions required to style it.

Contextual Extraction Tools

To properly extract the code of a website, you need a contextual extraction tool. These utilities allow you to select a specific DOM node, and the tool will not only copy the HTML, but it will recursively crawl the CSSOM (CSS Object Model) to bundle the exact styles required to render that specific node perfectly in isolation.

This provides you with a clean, sandbox-ready snippet of HTML and CSS that you can immediately run on your local machine.