PageSpeed Insights by Google


Over the years, PageSpeed Insights (also referred to as PSI) evolved to become
one of the most popular performance testing tools.
Its scores are easy to read, and its suggestions are useful to understand what can
be improved on your site.
This PageSpeed Insights 2020 Guide will take you through the secrets of this
essential tool, and will show how to make the most of it.

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When it comes to measuring your page speed, there are plenty of testing
tools to choose from. Some of them are very intuitive, others go deeper and
provide tons of metrics.
From PageSpeed Insights to GTMetrix, Pingdom, or WebPageTest, you’re
spoiled when it comes to the choices that are available.
Nonetheless, it’s undeniable that most of the people approaching page
speed monitoring for the first time will most likely turn to PageSpeed Insights
by Google.
In this book, we’re going to focus on this super popular tool.
We’ll show you how to use it and understand its results, and how to fix its
most common recommendations. We’ll also suggest some alternative
testing tools.