Brendan Gregg

MARCH 16, 2024

2015-2020: Overhead As part of production rollout I did many performance overhead tests, which I've described publicly before: The overhead of adding frame pointers to everything (libc and Java) was usually less than 1%, with one exception of 10%. Google should be no surprise because they pioneered continuous profiling.)

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Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. 2020-01-06T10:30:13+00:00. 2020-01-06T12:35:48+00:00. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ).

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Performance Cache Network Metrics 145

Alex Russell

MARCH 6, 2021

twitter.com/slightlylate/status/1139684093602349056 455 06:18 AM · Feb 28, 2020. A silver lining on this dark cloud is that mobile JavaScript payload growth paused in 2020. Hardware Past As Performance Prologue. The cheapest (high volume) Androids perform like 2012/2013 iPhones, respectively. Mind The Gap. How bad is it?

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Performance Network Cache Metrics 124

Alex Russell

JANUARY 30, 2024

HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. decoding="async" loading="lazy" /> Google spent more on the SoC for the Pixel 4a and enjoyed a later launch date, boosting performance relative to the A51.

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Performance Network Mobile Speed 90

Smashing Magazine

JANUARY 11, 2021

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 ). New metrics landed in Lighthouse v6 in early 2020. Large preview ).

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