Google PageSpeed Insights

Google PageSpeed Insights is a website analytics tool which helps to optimize the performance and the quality of a web site. First it analyse the web site and then it generates suggestions to make the page fast.

In Google Developer Tools, it is listed under PageSpeedTools.

More importantly this analysis is performed on desktop as well as for mobile devices.

Basically PageSpeed Insights gives a rating value out of 100 with a performance level, summary and suggestions on each platform in two tabs;

Example

Poor

31 / 100

This page is not optimized and is likely to deliver a slow user experience. Please prioritize and apply the recommendations below.

Possible Optimizations

• Optimize images
• Eliminate render-blocking JavaScript and CSS in above-the-fold content
• Leverage browser caching

Current Optimizations Found

Also it lists the optimizations already found on the website,

Optimizations Found

• Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

• Enable compression

You have compression enabled. Learn more about enabling compression.

• Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

To make the analysis more accurate PageSpeed Insights rely on the network-independent aspects of page performance to avoid the impact of the performance of the network connection as it often varies considerably.

As per the above suggestions, the website can be optimized making the enhancements suggested.

Reference

1. https://developers.google.com/speed/pagespeed/insights/

2. https://developers.google.com/speed/docs/insights/about?hl=en-US&utm_source=PSI&utm_medium=incoming-link&utm_campaign=PSI