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Performance Game Changer: Browser Back/Forward Cache

Smashing Magazine

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Didn’t The HTTP Cache Do All That Anyway? Barry Pollard.

Cache 91
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How To Use Google CrUX To Analyze And Compare The Performance Of JS Frameworks

Smashing Magazine

How To Use Google CrUX To Analyze And Compare The Performance Of JS Frameworks. How To Use Google CrUX To Analyze And Compare The Performance Of JS Frameworks. Recently Noam Rosenthal published two articles analyzing the common benefits and capabilities provided by various frameworks , and also their associated costs.

Google 127
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The Return of the Frame Pointers

Brendan Gregg

This technique saves two instructions in the prologue and epilogue and makes one additional general-purpose register (%rbp) available." Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway.

Java 145
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How to display a "new version available" for a Progressive Web App

Dean Hume

Have you ever been on a website and noticed a popup notification that suggests that there is a new version of the site available? I recently visited Google’s Inbox and noticed a notification a little like the image below. This article is a bit of a lengthy beast, so strap in tight and get comfy!

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How to use Server Timing to get backend transparency from your CDN

Speed Curve

Google recommends that TTFB be 800ms at the 75th percentile. Caching the base page/HTML is common, and it should have a positive impact on backend times. Key things to understand from your CDN Cache Hit/Cache Miss – Was the resource served from the edge, or did the request have to go to origin?

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How To Optimize Progressive Web Apps: Going Beyond The Basics

Smashing Magazine

The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. When developing a PWA, you can cache the application shell’s resources and assets in the browser. Cached content with IndexedDB. Service Workers. Application shell architecture.

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Front-End Performance Checklist 2021

Smashing Magazine

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Adjust the argument depending on the group of stakeholders you are speaking to.