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Speeding Up Async Snippets

CSS Wizardry

The reason they give us this cumbersome snippet, and not a much more succinct , is purely historical: async snippets are a legacy performance hack. Generally speaking, blocking files are worse for performance, especially when hosted on someone else’s origin. Well, unfortunately, this performance polyfill is bad for performance.

Speed 301
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Mastering web performance – A comprehensive approach to optimal web speed

Dareboost

Web performance, or website speed, is an integral part of web development that pertains to the speed at which web pages are downloaded and displayed on the user’s browser.

Speed 52
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Best practices and key metrics for improving mobile app performance

Dynatrace

Mobile applications (apps) are an increasingly important channel for reaching customers, but the distributed nature of mobile app platforms and delivery networks can cause performance problems that leave users frustrated, or worse, turning to competitors. What is mobile app performance? Some of the most important KPIs are listed below.

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The Three Cs: Concatenate, Compress, Cache

CSS Wizardry

When serving and storing files on the web, there are a number of different things we need to take into consideration in order to balance ergonomics, performance, and effectiveness. This gave rise to heavy bundling and concatenation—why download three CSS files (half of our budget) if we could compress them into one? main.af8a22.css

Cache 291
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2023 Black Friday and Cyber Monday retail and e-commerce IT performance observations

Dynatrace

Over the years, I have watched and written about online retail and e-commerce IT performance. Below is a Dynatrace honeycomb chart depicting the performance of the synthetics tests tracked by the Dynatrace Business Insights team. This had the effect of dramatically speeding up its performance and reducing support costs.

Retail 220
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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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Best Web Performance Books to Learn Site Speed Optimization

MachMetrics

Luckily we’ve recommended some of the best web performance books to read while stuck at home. High Performance Web Sites: Essential Knowledge For Front-End Engineers. If you’re looking to read optimization ideas from one of the greatest minds in speed performance, look no further. Need a good distraction?

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