Firefox Articles
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Firefox – tons of tools for web developers!
One of the goals of Firefox have always been to make the lives of web developers as easy and productive as possible, by providing tools and a very extensible web browser to enable people to create amazing things. The idea here is to list a lot of the tools and options available to you as […]
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JavaScript speedups in Firefox 3.6
This post was written by David Mandelin who works on Mozilla’s JavaScript team. Firefox 3.5 introduced TraceMonkey, our new JavaScript engine that traces loops and JIT compiles them to native (x86/ARM) code. Many JavaScript programs ran 3-4x faster in TraceMonkey compared to Firefox 3. (See our previous article for technical details.) For JavaScript performance in […]
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Entering the Quantum Era—How Firefox got fast again and where it’s going to get faster
Over the past seven months, we’ve been rapidly replacing major parts of the engine, introducing Rust and parts of Servo to Firefox. Plus, we’ve had a browser performance strike force scouring the codebase for performance issues, both obvious and non-obvious. We call this Project Quantum, and the first general release of the reborn Firefox Quantum comes out tomorrow.
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Saying Goodbye to Firebug
The most popular and powerful web development tool. Firebug has been a phenomenal success. Over its 12-year lifespan, the open source tool developed a near cult following among web developers. When it came out in 2005, Firebug was the first tool to let programmers inspect, edit, and debug code right in the Firefox browser.
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Firefox 3.6 feedback
Firefox 3.6 was released on Jan 21st and has already been downloaded more than 35 million times! It features a faster JavaScript engine, faster DOM performance and a bunch of new HTML5 features. Highlights for web developers include support for the WOFF font format, new CSS features like gradients and multiple backgrounds, drag and drop, […]
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Account Manager coming to Firefox
Update: The Account Manager is no longer maintained. Building on this experiment, we have conceived BrowserID. Please consider using it instead. Last month Mozilla Labs announced a new concept series on online identity. As part of this exploration, we developed the Account Manager. The Account Manager makes it incredibly easy for users to create new […]
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an overview of TraceMonkey
This post was written by David Mandelin who works on Mozilla’s JavaScript team. Firefox 3.5 has a new JavaScript engine, TraceMonkey, that runs many JavaScript programs 3-4x faster than Firefox 3, speeding up existing web apps and enabling new ones. This article gives a peek under the hood at the major parts of TraceMonkey and […]
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Firefox 53: Quantum Compositor, Compact Themes, CSS Masks, and More
Firefox 53 includes the first significant piece of Project Quantum, the Quantum Compositor for Windows. Dig in to features and under-the-hood improvements such as compact themes, new WebExtension features, the CSS mask property, and more.
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Firefox 4: the HTML5 parser – inline SVG, speed and more
This is a guest post from Henri Sivonen, who has been working on Firefox’s new HTML5 parser. The HTML parser is one of the most complicated and sensitive pieces of a browser. It controls how your HTML source is turned into web pages and as such changes to it are rare and need to be […]
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A cartoon intro to DNS over HTTPS
At Mozilla, we closely track threats to users' privacy and security. This is why we've added tracking protection to Firefox and created the Facebook container extension. In today's cartoon intro, Lin Clark describes two new initiatives we're championing to close data leaks that have been part of the domain name system since it was created 35 years ago: DNS over HTTPS, a new IETF standard, and Trusted Recursive Resolver, a new secure way to resolve DNS that we’ve partnered with Cloudflare to provide.