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Measuring Network Performance in Mobile Safari

CSS Wizardry

Every browser available on iOS is simply a wrapper around Safari. Network Link Conditioner. In there, you should find a tool called Network Link Conditioner. This provides us with very accurate network throttling via a number of handy presets, or you can configure your own. Why This Is a Problem. Chrome for iOS?

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Why Optimizing Your Lighthouse Score Is Not Enough For A Fast Website

Smashing Magazine

It’s unlikely that your throttled conditions match the connection speeds of an average real user on the website, as they may have a faster network connection or run on a slower CPU. What Lighthouse provides is more like “on-demand” testing that’s immediately available. I emphasized the important part.

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Understanding Weak Reference In JavaScript

Smashing Magazine

The code below illustrates how to use WeakSet() and some of the methods available: const human = new WeakSet(); let paul = {name: "Paul"}; let mary = {gender: "Mary"}; // Add the human with the name paul to the classroom. let smashing = {name: "magazine"}; let arr = [smashing]; // Overwrite the reference. It cannot be looped through.

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How To Optimize Progressive Web Apps: Going Beyond The Basics

Smashing Magazine

You can find a comprehensive Beginner’s Guide To Progressive Web Apps on Smashing Magazine that focuses on building the core of PWAs. Code My UI has some excellent code snippets available that you can use to create a skeleton screen for your PWA. Optimizing Based On Network Usage. Cache first, then network.

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Running A Page Speed Test: Monitoring vs. Measuring

Smashing Magazine

Even with all of the available tools at my disposal, I still find myself reaching for several of them. The other issue is that the data I’m getting back is based on lab simulations where I can add throttling, determine the device that’s used, and the network connection, among other simulated conditions. Lighthouse results.

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Preparing For Interaction To Next Paint, A New Web Core Vital

Smashing Magazine

The fact that INP is already available in performance reports means we have an opportunity to familiarize ourselves with it today, in advance of its release. This is readily available in PageSpeed Insights and Google Search Console, not to mention DebugBear. That’s what this article is all about.

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Answering Common Questions About Interpreting Page Speed Reports

Smashing Magazine

It may even be something you do regularly with Lighthouse in Chrome DevTools, where testing is freely available and produces a very attractive-looking report. CrUX is what fuels PSI and Google Search Console, but it is also available in other tools you may already use. Can’t be perfect every time!

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