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Measuring Network Performance in Mobile Safari

CSS Wizardry

That we probably aren’t testing. It’s worth noting that, by and large, the same page will perform better in iOS Safari than it would on Android Chrome— iPhones are generally far more powerful than their Android counterparts. Testing with WebPageTest. Testing in Safari’s DevTools. So, we’re stuck only with Safari.

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Core Web Vitals Tools To Boost Your Web Performance Scores

Smashing Magazine

Core Web Vitals Tools To Boost Your Web Performance Scores. Core Web Vitals Tools To Boost Your Web Performance Scores. The success of your website depends on the impression it leaves on its users. Essentially, a web vital is a quality standard for UX and web performance set by Google. Zara Cooper. Large preview ).

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Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks.

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Real user monitoring vs. synthetic monitoring: Understanding best practices

Dynatrace

These development and testing practices ensure the performance of critical applications and resources to deliver loyalty-building user experiences. Real user monitoring (RUM) is a performance monitoring process that collects detailed data about users’ interactions with an application. What is real user monitoring?

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World’s Top Web Performance Leaders To Watch

Rigor

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rick Byers.

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Getting started with web performance? Here's what you need to focus on.

Speed Curve

Create performance budgets and fight regression. Build a performance culture that embraces collaboration between design and dev. The critical rendering path is the set of steps browsers must take to convert HTML, CSS and JavaScript into living, breathing websites. FID is also available on your LUX Performance dashboard.).

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KPTI/KAISER Meltdown Initial Performance Regressions

Brendan Gregg

The recently revealed [Meltdown and Spectre] bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Much of my testing was on Linux 4.14.11 and 4.14.12 a month ago, before we deployed in production.