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The State Of Mobile And Why Mobile Web Testing Matters

Smashing Magazine

Also, there was a 65% increase in video consumption on mobile devices in 2020. According to Tim Kadlec (video), that’s an Android device that’s couple of years old, and costs around $200. However, there are quite a few high-profile case studies exploring the impact of mobile optimization on key business metrics. Large preview ).

Mobile 135
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An Opinionated Guide to Performance Budgets

Speed Curve

Web pages are unbelievably complex, and there are hundreds of different metrics available to track. A performance budget is a threshold that you apply to the metrics you care about the most. This is when you run into three important questions: Which metrics should you focus on? Which metrics should you focus on?

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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

Investigating a video streaming failure consists of inspecting all aspects of a member account. Troubleshooting a session in Edgar When we started building Edgar four years ago, there were very few open-source distributed tracing systems that satisfied our needs. which is difficult when troubleshooting distributed systems.

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A Complete Guide to Performance Budgets

Speed Curve

A performance budget is a threshold that you apply to the metrics you care about the most. A good performance budget chart, such as the one above, should show you: The metric you're tracking The threshold you've created for that metric When you exceed that threshold How long you stayed out of bounds When you returned to below the threshold 3.

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Lerner?—?using RL agents for test case scheduling

The Netflix TechBlog

Netflix engineers run a series of tests and benchmarks to validate the device across multiple dimensions including compatibility of the device with the Netflix SDK, device performance, audio-video playback quality, license handling, encryption and security. Detect a regression in a test case.

Testing 163
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Front-End Performance Checklist 2021

Smashing Magazine

LogRocket tracks key metrics, incl. Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Table Of Contents.

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Progress Delayed Is Progress Denied

Alex Russell

Apple Corporate is at fault, not Open Source engineers or the line managers who support them. 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. So is speedy resolution and agreement.

Media 145