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Element Timing: One true metric to rule them all?

Speed Curve

When the consent banner is not shown, an article title becomes the LCP element. Element Timings can be collected in both Synthetic and RUM by configuring them in the Custom Metrics section of your settings: Adding a custom metric in SpeedCurve. The screenshots from What Hifi (a UK audio-visual magazine) illustrate this problem.

Metrics 141
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Introducing Page Speed Benchmarks – a new resource for the performance community

Speed Curve

Here are some common questions I’m asked when I talk with people about performance: Which metrics should I care about? Page Speed Benchmarks is an interactive dashboard that lets you explore and compare web performance data for leading websites across several industries – from retail to media. How fast should I be?

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RSA Guide 2023: Cloud application security remains core challenge for organizations

Dynatrace

This includes collecting metrics, logs, and traces from all applications and infrastructure components. 2022 CISO Report: Retail sector – report Dive deep into the state of runtime vulnerability management in retail and how to protect your brand. Shift-right ensures reliability in production. Together they equal better software.

Cloud 180
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How to use Server Timing to get backend transparency from your CDN

Speed Curve

However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. That performance golden rule still holds true today. Google recommends that TTFB be 800ms at the 75th percentile.

Servers 57
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Understanding the performance impact of anti-flicker snippets

Speed Curve

But as you can see in these filmstrips of Wiggle, a UK cycling retailer, hiding the page can have a dramatic impact on a visitor's experience: Comparison of a site loading with (top) and without (bottom) the anti-flicker snippet enabled. To summarize: On one hand, anti-flicker snippets make metrics such as FCP (and possibly LCP) worse.

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A Complete Guide to Performance Budgets

Speed Curve

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. A performance budget is a threshold that you apply to the metrics you care about the most. Which metrics should you start with? Let's get started!

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2021 in review: It was a big year!

Speed Curve

We've been tracking these as individual metrics – Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift – since before Google branded them as a set. Your Sessions dashboard lets you drill down and segment your RUM data by: Metric / duration. Web Performance for Retailers. RUM Live dashboard.

Retail 52