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In Defence of DOM­Content­Loaded

CSS Wizardry

I never thought I’d write an article in defence of DOMContentLoaded , but here it is… For many, many years now, performance engineers have been making a concerted effort to move away from technical metrics such as Load , and toward more user-facing, UX metrics such as Speed Index or Largest Contentful Paint. Or are they…?

Metrics 326
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Site reliability done right: 5 SRE best practices that deliver on business objectives

Dynatrace

As a result, site reliability has emerged as a critical success metric for many organizations. Microservices-based architectures and software containers enable organizations to deploy and modify applications with unprecedented speed. The following three metrics are commonly used to measure success: Service-level agreements (SLAs).

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Implementing AWS well-architected pillars with automated workflows

Dynatrace

And how can you verify this performance consistently across a multicloud environment that also uses Microsoft Azure and Google Cloud Platform frameworks? Storing frequently accessed data in faster storage, usually in-memory caching, improves data retrieval speed and overall system performance. Beyond

AWS 240
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The DevTools Performance Tab – Using Chrome’s Profiler to Optimize Your Page Speed

MachMetrics

Chrome’s DevTools suite contains some of the most powerful tools available to help you analyze and improve the speed of your website (or web app). Interpreting this information is a powerful tool, and allows you to use it in the way Google intended. They can also be the most overwhelming. To improve your site!

Speed 99
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How Google PageSpeed Works: Improve Your Score and Search Engine Ranking

CSS - Tricks

In this article, we uncover how PageSpeed calculates it’s critical speed score. It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. PageSpeed 5.0

Google 71
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Understanding the performance impact of anti-flicker snippets

Speed Curve

Experimentation tools that use asynchronous scripts – such as Google Optimize, Adobe Target, and Visual Web Optimizer – recommend using an anti-flicker snippet to hide the page until they've finished executing. Google Optimize) has finished applying its experiments. In Google Optimize's default case is the whole document.

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SEO and web performance: What to measure and how to optimize

Speed Curve

Chances are, you're here because of Google's update to its search algorithm , which affects both desktop and mobile, and which includes Core Web Vitals as a ranking factor. The metrics that comprise Web Vitals are still evolving. These metrics will (I think) always be in a state of evolution. When Google talks, people listen.