[3][4] There are four main components of PageSpeed family tools: The PageSpeed Modules are the open-source Apache HTTP Server or Nginx web server modules, which automatically apply chosen filters to pages, associated assets (like stylesheets, JavaScript, and HTML files), as well as to images and website cache requirements.
[9] The installation can be done in two ways: from packages or built from source on the following supported platforms: Other servers that offer a PageSpeed optimization module based on Google's Page Speed SDK: PageSpeed module filters are settings, based on which a web page optimization rule is applied.
They can be divided into five main categories: The PageSpeed Module showed the most significant impact on decreasing web page loading times, payload size, and number of requests compared to other industry options.
[15] PageSpeed Insights (PSI) is a free tool from Google that analyzes the performance of a web page on both mobile and desktop devices.
The Performance category includes metrics like FCP, LCP, CLS, and Time to Interactive, each with scores and improvement suggestions.
Overall, PSI is a valuable tool for website owners and developers to identify performance bottlenecks and improve the user experience of their web pages.