Case Study Metrics Testing Tools 
Smashing Magazine
OCTOBER 18, 2021
Powered E-Commerce Website (Case Study). Powered E-Commerce Website (Case Study). There are many key performance indicators (KPI) that measure different points during the lifecycle of the web page (such as TTFB, domInteractive and onload ), but these metrics don’t reflect how the end-user experiences the page.
Smashing Magazine
MARCH 2, 2021
However, there are quite a few high-profile case studies exploring the impact of mobile optimization on key business metrics. WPO stats collects literally hundreds of them — case studies and experiments demonstrating the impact of web performance optimization (WPO) across verticals and goals. Mobile Web Testing.
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Smashing Magazine
AUGUST 15, 2023
So noticeable, in fact, that Core Web Vitals has a metric all about it called Largest Contentful Paint (LCP). This metric measures the time it takes, in seconds, to render the largest image or text block that is visible on the initial load. We can test for LCP in a number of ways. And most of all, we need to care.
Tasktop
AUGUST 26, 2020
The right set of metrics into the health of the software delivery organization can help leadership quickly identify what’s working — and what’s not. Measuring the Value Stream with Flow Metrics. Capable of using real-time metrics to test hypotheses for data-driven continuous improvement across key value streams.
Smashing Magazine
MAY 9, 2022
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. Back/Forward Cache Testing Tool. Large preview ). Large preview ).
Rigor
SEPTEMBER 3, 2019
Case studies abound. At a minimum, Optimal recommends that you have RUM, APM, synthetic, and load test tools set up, instrumented, and producing meaningful data. To implement your plan, Optimal recommends that you take advantage of a tool like Akamai Bot Manage r, PerimeterX , or Shape.
CSS - Tricks
OCTOBER 10, 2019
by Jake Archibald explains how analyzing WebPageTest results can lead you to performance improvements on a Formula 1-themed case study. The problem with testing Single Page Applications. However, I have found that none of these has the amount of performance-related information and easy-to-use tooling that WebPageTest offers.
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