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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. Any time you run a test with WebPageTest, you’ll get this table of different milestones and metrics. Note the bottom row shows me the Standard Deviation of the tests’ results. Gathering Data.

Speed 337
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Check Internet Speed With Apple Network Responsiveness

DZone

There are umpteen tools available to check the internet speed. SpeedTest, Speed from Cloudflare , Netflix's Fast , or if you use Google search , you can test the internet speed and its analytics. In this blog article, we will deep dive into network quality and its usage. Launching networkQuality.

Internet 189
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Measuring Network Performance in Mobile Safari

CSS Wizardry

That we probably aren’t testing. Same page, same connection speed, same locale, same release year, different devices. If you don’t have an iPhone, well, you’ll struggle to test an iPhone. Testing with WebPageTest. Testing in Safari’s DevTools. Network Link Conditioner. So, we’re stuck only with Safari.

Network 296
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7 Best Performance Testing Tools to Look Out for in 2021

DZone

Performances testing helps establish the scalability, stability, and speed of the software application. Numerous kinds of performance testing imitate several possible user scenarios and know the behavior of the apps. Performance testing is mainly a subset of Performance engineering and is also referred to as ' Perf Tests.'

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The Three Cs: Concatenate, Compress, Cache

CSS Wizardry

Compressing them over the network: Which compression algorithm, if any, will we use? In one test, I concatenated it all into one big file, and the other had the library split into 12 files. Read the complete test methodology. Compress The above tests were run with Brotli compression 2. It’s a balancing act for sure. ?

Cache 353
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Why Optimizing Your Lighthouse Score Is Not Enough For A Fast Website

Smashing Magazine

Sure, we can glean plenty of insights about a site’s performance and even spot issues that ought to be addressed to speed things up. There are even many ways we can configure Lighthouse to measure performance in simulated situations, such as slow internet connection speeds or creating separate reports for mobile and desktop.

Website 100
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Time To First Byte: Beyond Server Response Time

Smashing Magazine

Connecting to a server on the web typically takes three round trips on the network: DNS: Looking up the server IP address. What Network Latency Means For Time To First Byte Lets add up all the network round trips in the example above: 2 server connections: 6 round trips. Here, Ive tested a website thats hosted in Brazil.

Servers 78