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How Does the Internet Speed Test Work?

DZone

Everyone deserves the right internet speed and everyone wants the best bang for a buck. To ensure our internet bandwidth, we all run speed tests from our Internet Speed Provider or public speed test tools like fast.com or speed.cloudflare.com and more. But do we know how the speed got measured under the hood?

Internet 264
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Speeding Up Async Snippets

CSS Wizardry

There are a couple of times when we can’t avoid async snippets, and therefore can’t really speed them up. Interestingly, the script itself took 297ms longer to download with this newer syntax, but still executed 787ms sooner! This is the power of the Preload Scanner. When We Can’t Avoid Async Snippets. Dynamic Script Locations.

Speed 301
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Site-Speed Topography

CSS Wizardry

When first working on a new site-speed engagement, you need to work out quickly where the slowdowns, blindspots, and inefficiencies lie. Now, let’s move on to gaps between First Contentful Paint and Speed Index. More interestingly, let’s take a look at Speed Index vs. Largest Contentful Paint.

Speed 292
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Automating DevOps practices fuels speed and quality

Dynatrace

Still, while DevOps practices enable developer agility and speed as well as better code quality, they can also introduce complexity and data silos. Software development is often at the center of this speed-quality tradeoff. Automating DevOps practices boosts development speed and code quality.

DevOps 273
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Site-Speed Topography Remapped

CSS Wizardry

This is an update to my 2020 article Site-Speed Topography. Around two and a half years ago, I debuted my Site-Speed Topography technique for getting broad view of an entire site’s performance from just a handful of key URLs and some readily available metrics. What Is Site-Speed Topography? No more false starts and dead ends.

Speed 131
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The psychology of site speed and human happiness

Speed Curve

In the fourteen years that I've been working in the web performance industry, I've done a LOT of research, writing, and speaking about the psychology of page speed – in other words, why we crave fast, seamless online experiences. In fairness, that was in the early 2000s, and site speed was barely on anyone's radar.

Speed 133
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Speed up your security investigations with DPL Architect

Dynatrace

DPL Architect enables you to quickly create DPL patterns, speeding up the investigation flow and delivering faster results. Summary When performing security investigations or threat-hunting activities, it’s important to have precision in place to get reliable results.

Speed 212