KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing?

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Speed Curve

JUNE 24, 2019

Inspired by that post, I wanted to dig a bit deeper into a few of the best practices they mentioned, which fall loosely into these three buckets: Analyze your pages – understand the critical rendering path and page composition. Create performance budgets and fight regression. What's blocking the user experience?

Performance 78

Performance Best Practices Metrics Mobile 78

Smashing Magazine

APRIL 11, 2022

Loading experience is crucial to the user’s first impression and overall usability, so Google defined Largest Contentful Paint (LCP) metric to measure how quickly the main content loads and is displayed to the user. Improving Largest Contentful Paint performance. We are loading the following resources: Google Fonts Stylesheet.

Media 70

Media Tuning Metrics Google 70

Rigor

OCTOBER 30, 2019

Reading time 11 min As companies become more aware of the importance of web performance, internal teams begin to research tools they can use to use to track their metrics and improve the user experience of their websites and applications. Where Google Lighthouse Shines Bright. Google Lighthouse has a lot going for it.

Google 51

Google Best Practices Energy Website 51

Smashing Magazine

MAY 9, 2022

Similarly from cross-site navigation — think Google search results or the like and then clicking back. WebPageTest is one of the few web performance testing tools that actually tests a reload of the page using a primed HTTP Cache — most of the other tools just flag if your HTTP resources are not explicitly set to be cached.

Cache 91

Cache Games Performance Website 91

Speed Curve

MARCH 7, 2022

How does page bloat affect other metrics, such as Google's Core Web Vitals? Poorly executed stylesheets can create a host of performance problems, ranging from stylesheets taking too long to download and parse, to improperly placed stylesheets that block the rest of the page from rendering. seconds for Largest Contentful Paint.

Mobile 145

Mobile Benchmarking Google Metrics 145

Dynatrace

MAY 28, 2020

While Google’s SRE Handbook mostly focuses on the production use case for SLIs/SLOs, Keptn is “Shifting-Left” this approach and using SLIs/SLOs to enforce Quality Gates as part of your progressive delivery process. Once our application under test is properly tagged we can use tags for filtering.

Engineering 191

Engineering Performance Metrics Best Practices 191