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How to automatically performance test your pull requests and fight regressions

Speed Curve

I would have expected the Largest Contentful Paint (LCP) time to increase substantially based on my changes and the way the site responded when I tested locally. Scanning the metrics table, I see that Last Painted Hero is 7.3s, aligning with what I see in the filmstrip. LCP isn't always what you expect it to be.

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A three-step implementation guide to answer-driven SLO-based release validation

Dynatrace

We have seen users who joined our preview program “speed up their release validation by 90%”. Many of our users are performance engineers using Cloud Automation Quality Gates to automate the analysis of their performance and load tests – saving hours of analysis time for each test they run.

DevOps 244
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An analysis of Chromium's paint timing metrics

Speed Curve

This gives us a relatively unique opportunity to analyse and aggregate performance metrics to gain some interesting insights. In this post, I'm going to analyse some browser-based paint timing metrics: First Paint & First Contentful Paint (defined in the Paint Timing spec and implemented in Chromium).

Metrics 49
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NEW! Home, Site, Page and Tests dashboards

Speed Curve

Pages - This detailed view gives you trended information for all the metrics you know and love. Easily identify areas of opportunity and how things are performing over time for specific pages you are monitoring. Tests - We've had a lot of requests for this, so we're happy to deliver it. As always, let us know what you think!

Testing 52
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Getting started with web performance? Here's what you need to focus on.

Speed Curve

Build a performance culture that embraces collaboration between design and dev. Keep reading to learn how you can apply these best practices to your own site and give your pages a speed boost. At SpeedCurve we call these metrics "IX Time" and they're available on your LUX Performance dashboard.) Take Amazon, for example.

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Performance Testing with Open Source Tools – Myths and Reality

Alex Podelko

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. We do a lot of 1-hour sessions with our customers to get them up to speed and that usually enough time to have a first basic test on their application. The base idea is that everything you do should be intuitive.

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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. Rachel Andrew.