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Performance — How We Optimized Performance To Serve A Global Audience — Smashing Magazine

How We Optimized Performance To Serve A Global Audience — Smashing Magazine

Liran Cohen and the team at Bookaway, a travel booking service, dramatically improved their site’s performance by auditing Core Web Vitals. In this article, Liran shares his team’s process for auditing and monitoring Web Vitals and the effort it took to dramatically improve Bookaway’s performance — and the benefits that came with it.

LCLiran CohenLiran Cohen·August 3, 2023Performance
Distributed — Coming Soon: Confidence — An Experimentation Platform from Spotify

Coming Soon: Confidence — An Experimentation Platform from Spotify

TL;DR: Spotify is releasing a new commercial product for software development teams: a version of our homegrown experimentation platform that we’re calling . Based on everything we’ve learned over the last 10+ years about what it takes to enable experimentation at scale, the platform makes it easy for teams to set up, run, coordinate, and analyze their own user tests — from simple A/B testing to t

SESpotify Engineering·August 1, 2023Distributed
Performance — Experimentation at Spotify: Three Lessons for Maximizing Impact in Innovation

Experimentation at Spotify: Three Lessons for Maximizing Impact in Innovation

As companies mature, it’s easy to believe that the core experience and most user needs have been resolved, and all that’s left to work toward are the marginal benefits, the cherries on top. Cherries on top might add delight and panache, but they rarely cause fundamental shifts in performance and success. And as a business, even a mature one, we’re looking for the innovations that tangibly impact t

GLGabriella Ljunggren, Data Scientist·August 1, 2023Performance
Design & UX — Encouragement Designs and Instrumental Variables for A/B Testing

Encouragement Designs and Instrumental Variables for A/B Testing

At Spotify, . Most of these tests follow a standard design, where we assign users randomly to control and treatment groups, and then observe the difference in outcomes between these two groups. Usually, the control group, also known as the “holdout” group, retains the current experience, while the treatment group experiences a difference: a new feature, a change to an algorithm, or a redesigned us

BEBenjamin Elbers, Data Scientist·August 1, 2023Design & UX
Networking — Cloudflare Radar's new BGP origin hijack detection system

Cloudflare Radar's new BGP origin hijack detection system

BGP origin hijacks allow attackers to intercept, monitor, redirect, or drop traffic destined for the victim's networks. We explain how Cloudflare built its BGP hijack detection system, from its design and implementation to its integration on Cloudflare Radar

MCMingwei, CelsoMingwei, Celso·July 28, 2023Networking
Engineering — Q2 2023 Internet disruption summary

Q2 2023 Internet disruption summary

In this post, we review selected Internet disruptions observed by Cloudflare during the second quarter of 2023, supported by traffic graphs from Cloudflare Radar and other internal Cloudflare tools, and grouped by associated cause or common geography

DBDavid BelsonDavid Belson·July 27, 2023Engineering