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Critical CSS? Not So Fast!

CSS Wizardry

When you use the media -switching pattern 5 to fetch a CSS file asynchronously, all you’re doing is making the network time asynchronous—the runtime is still always a synchronous operation, and we need to be careful not to inadvertently reintroduce that overhead back onto the Critical Path. By switching from an asynchronous media type (i.e.

Media 356
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Introducing Page Speed Benchmarks – a new resource for the performance community

Speed Curve

Page Speed Benchmarks is an interactive dashboard that lets you explore and compare web performance data for leading websites across several industries – from retail to media. With Page Speed Benchmarks, you can do things like: See what the different metrics actually mean in terms of user-perceived performance.

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Netflix Cloud Packaging in the Terabyte Era

The Netflix TechBlog

By Xiaomei Liu , Rosanna Lee , Cyril Concolato Introduction Behind the scenes of the beloved Netflix streaming service and content, there are many technology innovations in media processing. Packaging has always been an important step in media processing.

Cloud 242
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The new normal of digital experience delivery – lessons learned from monitoring mission-critical websites during COVID-19

Dynatrace

Over the last two month s, w e’ve monito red key sites and applications across industries that have been receiving surges in traffic , including government, health insurance, retail, banking, and media. Media p erformance . Watching media sites including CNN, Fox News, and CNBC has been very interesting.

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Bringing AV1 Streaming to Netflix Members’ TVs

The Netflix TechBlog

by Liwei Guo , Ashwin Kumar Gopi Valliammal , Raymond Tam , Chris Pham , Agata Opalach , Weibo Ni AV1 is the first high-efficiency video codec format with a royalty-free license from Alliance of Open Media (AOMedia), made possible by wide-ranging industry commitment of expertise and resources.

Media 246
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What Web Designers Can Do To Speed Up Mobile Websites

Smashing Magazine

What Web Designers Can Do To Speed Up Mobile Websites. What Web Designers Can Do To Speed Up Mobile Websites. I recently wrote a blog post for a web designer client about page speed and why it matters. What I didn’t know before writing it was that her agency was struggling to optimize their mobile websites for speed.

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Engineering a Studio Quality Experience With High-Quality Audio at Netflix

The Netflix TechBlog

the brilliant synth-pop score or the perfectly mixed soundscape of a high speed chase?—?is Adaptive streaming is a technology designed to deliver media to the user in the most optimal way for their network connection. Media is split into many small segments (chunks) and each chunk contains a few seconds of playback data.