Chromium is the open-source engine behind many popular web browsers like Google Chrome and Microsoft Edge. It provides the core technology that handles rendering web pages, managing network connections, and running JavaScript. While most users never see Chromium directly, it’s the foundation that makes their browsing fast, secure, and standards-compliant.

The Roots of Chromium

Chromium’s story begins in the 1990s with KDE, an open-source project focused on Linux desktop environments. KDE developed KHTML, a rendering engine that created web pages from markup code. In 2001, Apple forked KHTML to develop WebKit, which powered Safari and other browsers. When Google launched Chrome in 2008, it used WebKit as its initial rendering engine, along with a basic version of Chrome called Chromium.

Over time, Chrome needed to improve performance, security, and multi-process architecture. Google decided to fork WebKit in 2013 to create a new engine called Blink. Blink was designed for better performance and to support new web standards. Meanwhile, Chrome also introduced Google’s V8 JavaScript engine, making web pages faster and more interactive. The shift to Blink and V8 allowed Chrome to stay ahead with features like tab isolation, which keeps individual tabs from crashing the whole browser.

Chromium vs. Chrome

Chromium is the open-source project that provides the core engine and architecture for many browsers. It includes the rendering engine, JavaScript engine, and basic user interface components. Developers can use Chromium’s code to build their own browsers or customize existing ones.

Google Chrome, on the other hand, is a commercial product based on Chromium. It adds extra features like automatic updates, proprietary media codecs, and cloud sync. These features are not part of the open-source Chromium project. On iPhones and iPads, Chrome uses Apple’s WebKit engine to comply with Apple’s policies, even though the underlying code is similar to Chromium.

In essence, Chromium is the raw, open-source engine, while Chrome is the user-friendly browser built on top of it with added proprietary features. Both share the same core technology, but Chrome offers a more polished experience with additional services from Google.

Inspired by

• https://www.computerworld.com/article/1717405/googles-chromium-browser-explained.html

Sources

• infoworld.com
• chromium.org
• chromium.org
• github.com
• google.com