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WebBundles – JS Delivery Without the Tradeoffs

Delivering Javascript has inherent tradeoffs - large bundles result in better compression and lower processing overhead, but compromise caching granularity and execution parallelism. Wouldn't it be great if we wouldn't…

How to read a WebPageTest waterfall chart

WebPageTest (WPT) is the goto tool when it comes to analysing, and ultimately fixing web performance problems with a website. Much of the power of WPT comes from its waterfall…

LWP July: Measurement and observability

LWP July: Measurement and observability

The covid era has made us all obsessed with numbers. Are they right? Are they valid? Do they tell the story you need to hear or the one you want to imagine? In web perf, of course, numbers are our native language, and we’ve been arguing about methodologies since the dawn of time (which is about 2006, in web perf terms).

This month we’re bringing you the unparalleled brilliance of Emily Nakashima, who manages the engineering and design teams at Honeycomb.io, and delivered one of the best received talks at Perf.now in Amsterdam last year. She’ll be asking us to consider the connection between performance and user happiness through the lens of observability.

Web performance enthusiast and Googler Rick Viscomi will introduce us to the measurement tools that allow tracking of the new Core Web Vitals metrics Google is advocating as the best way to understand how users experience the web.

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