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Release readiness through AI-based white box resiliency testing with JMeter and Dynatrace

Dynatrace

Our solution to modernize this legacy approach is an approach we call white box testing. In white-box testing, we combine open-source load testing tools such as JMeter with Dynatrace’s observability and analytics capabilities. from other test tools or real users). Leveraging the W3C Trace context header.

Testing 223
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A guide to event-driven SRE-inspired DevOps

Dynatrace

If you’re not familiar with Site Reliability Engineering (SRE) and the concepts of Service Level Indicators (SLIs), Service Level Objectives (SLOs) and Service Level Agreements (SLAs) I recommend watching the YouTube Video from Google Engineers called SLIs, SLOs, SLAs, oh my! class SRE implements DevOps) !

DevOps 249
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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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Solving CLS Issues In A Next.js-Powered E-Commerce Website (Case Study)

Smashing Magazine

There are many key performance indicators (KPI) that measure different points during the lifecycle of the web page (such as TTFB, domInteractive and onload ), but these metrics don’t reflect how the end-user experiences the page. We found out user-centric performance metrics to be the perfect fit for this purpose. More after jump!

Website 106
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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). What are paint timing metrics?

Metrics 49
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Search Engine Optimization Checklist (PDF)

Smashing Magazine

The most beautiful, spectacular site in the world won’t do anyone much good if people can’t find it on Google (or Bing, or DuckDuckGo). It is a huge industry, with its own publications, thought leaders, podcasts, video series, and more. Prioritizing Metrics Online metrics are almost limitless. Google Keyword Planner.

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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.