The Emterpreter: Run code before it can be parsed | Mozilla Research
I’m excited to announce a new Mozilla Research experiment: the Emterpreter, a pure-JavaScript interpreter that can start running large Emscripten-compiled apps faster than JavaScript engines can, giving developers control over the latency/throughput trade-off. An app’s startup time is a precious resource. For small apps, minification and image compression are good enough to provide a smooth user o
WebGL in Web Workers, Today – and Faster than Expected! – Mozilla Research
Web Workers are additional threads that a website can create. Using workers, a website can utilize multiple CPU cores to speed itself up, or move heavy single-core processing to a background thread to keep the main (UI) thread as responsive as possible. A problem, however, is that many APIs exist only on the main thread, for example WebGL. WebGL is a natural candidate for running in a worker, as i
Studying Lossy Image Compression Efficiency – Mozilla Research
JPEG has been the only widely supported lossy compressed image format on the Web for many years. It was introduced in 1992, and since then a number of proposals have aimed to improve on it. A primary goal for many proposals is to reduce file sizes at equivalent qualities. We’d like to share a study that compares three frequently-discussed alternatives, HEVC-MSP, WebP, and JPEG XR, to JPEG, in term
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The Effect of Ad Blocking on User Engagement with the Web
Mozilla Research – Expanding the Foundations of the Open Web
Mozilla Research – Expanding the Foundations of the Open Web