Nov 17, 2018
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Data from Lighthouse Helps to Provide Major Updates to Google Pagespeed Insights Tool

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Google has silently rolled out a latest update to the Pagespeed Insights Tool. This is the first major update since January 2018. In the last update, Google started using real user data from Chrome browser to measure website speed. The latest update uses Lighthouse, which is a speed tool from Google. Lighthouse acts as Google’s analytics engine. It also incorporates the field data offered by the Chrome User Experience Report (CrUX) into the tool.

CRUX and Lighthouse

The release note’s version five mentioned that the v5 of the PageSpeed Insights API was brought to the market in November 2018. It presently uses Lighthouse as the analytics engine and also includes field data offered by the Chrome User Experience Report (CrUX). The v5 of the API will presently offer CrUX data and all the audits of the Lighthouse. The earlier versions of PSI API will be taken off in six months.

This is a look at the new report. It has two tabs, this one for mobile

This is a look at the new report. It has two tabs, this one for Desktop

The Data Contained In the Updated Version

The latest toolset will break the report in the following categories:

Field data: The First Input Delay (FID) and the First Contentful Paint (FCP) are shown by this one by using the Chrome User Experience report.

Lab Data: Lighthouse analyses the current page on an emulated plot and mobile metrics from the tool including Estimated Input Latency, First CPU Idle, First Meaningful Paint, and Time to Interactive, Speed Index, and First Contentful Paint. It then shows the screenshots of how each is done.

Opportunities: It depicts the way towards improvement of a particular page including the problem areas and the extent to which your page is getting slowed down by these problems.

Diagnostics: It offers a report on the performance of an application for points like JavaScript, payloads, DOM size, caching, and many more.

Audit: The report showcases how well you fared on different audits including redirects, CSS, Minify JavaScript, and much more.

Why is it important?

The importance of the speed of a website goes well beyond the page rankings on Google search. It can enhance user experience and the conversion rates on the website. The PageSpeed Insights tool update has immensely improved the metrics and data around the way of measuring the page speed. It provides you multiple areas where you can improve your page and increase page speed.

It is worth making your development teams take a look at this report and figure out fast methods for the improvement of the website’s page speed. The PageSpeed Insights tool’s API has been upgraded to the version five too. Google mentioned that version 4 of the API will be taken off in May 2019. Thus, it is important to update to the version 5 soon. The changes have been uploaded on their blog by Google.

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