Alex Russell

MARCH 6, 2021

TL;DR: A lot has changed since 2017 when we last estimated a global baseline resource per-page resource budget of 130-170KiB. The scale of the effect can be deeply situational or hard to suss out without solid metrics. Modern network performance and availability. The Moto G4 , for example. Here begins our 2021 adventure.

Performance 124

Performance Network Cache Metrics 124

The Netflix TechBlog

OCTOBER 19, 2020

Reconstructing a streaming session was a tedious and time consuming process that involved tracing all interactions (requests) between the Netflix app, our Content Delivery Network (CDN), and backend microservices. The process started with manual pull of member account information that was part of the session.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. — Alex Russell (@slightlylate) October 4, 2017. Budgets are scaled to a benchmark network & device. This matters because all script loading delays the metric we value most: Time to Interactive.

Performance 68

Performance Benchmarking Network Mobile 68

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. A 2017 study by Akamai says as much when it found that even a 100ms delay in page load can decrease conversions by 7% and lose 1% of their sales for every 100ms it takes for their site to load which, at the time of the study, was equivalent to $1.6

Cache 92

Cache Social Media Media Website 92

Alex Russell

APRIL 29, 2021

As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. With each team, benchmarks lost are understood as bugs. Another window into this question is provided by the Web Confluence Metrics project.

Media 145

Media Games Education Engineering 145

Rigor

SEPTEMBER 11, 2019

Developers representing hundreds of companies work together at these meetups to become masters in performance metrics and the latest trends in measuring site speed.) His keynote address from O’Reilly Fluent 2017, Reflecting on 20 years on the web , is a must-see. That’s right – NY WebPerf is 10 years old!

Performance 89

Performance Education Google Website 89