Best Browser Add-Ons For Analyzing Page Speed

measure page speed By debugging a slow website is important.

All Chrome browsers have built-in tools to help troubleshoot why a page is slow and not performing as well as it could.

The great thing about browsers based on Chrome and Firefox is that they can be enhanced with tools that make troubleshooting sites faster and easier.

Both Chrome and Firefox browsers support the add-on.

Firefox calls them add-ons and in the Chrome ecosystem, they are called extensions.

Browser extensions and add-ons extend the functionality of the browser in a manner that suits the need of the user.

Why Use the Page Speed ​​Browser Extension

a browser-based debugger such as chrome dev tools Like a toolbox is a collection of tools.

If you just want one tool, you’re out of luck as the browser offers the entire collection at once.

This means that a publisher must first learn to navigate through all the different menus, tabs, and screens, many of which provide tools that may not necessarily be the overview you want.

And that’s why extensions are a valid alternative to using the browser’s built-in troubleshooting tools.

You can simply select the exact tool you want and skip the learning curve to get exactly the metrics you need at the time.

Google Lighthouse Extension for Chrome and Firefox

lighthouse Easy to understand is a great tool to get Overview of webpage performance With the option to dig deeper into diagnostic feedback and advice to make webpages faster.

There’s a standalone Google Lighthouse webpage, but you’ll need to copy the URL of the page you want the data for, then navigate to Lighthouse Tools.

With the Lighthouse extension, the full power of the tool is available with the click of a button.

All you have to do is click on the extension icon and then click on the blue Generate Report button.

The Lighthouse extension will create a new browser tab and generate a complete Lighthouse report.

google lighthouse generate reportScreenshot of the Google Lighthouse browser extension, March 2022

The new webpage will display a wait screen while Lighthouse is preparing the report.

Google Lighthouse Waiting ScreenScreenshot of the Google Lighthouse waiting screen, March 2022

At the top of the Lighthouse page are the numeric numbers for the webpage.

google lighthouse overviewScreenshot of Google Lighthouse overview, March 2022

And, if you scroll down, you can see in-depth data that helps diagnose and fix problems.

All you have to do is follow the link for more information on what the problem is and suggestions on how to fix those problems.

Google Lighthouse Full Page ReportScreenshot of Google Lighthouse Full Page Report, March 2022

Google has developed versions of Lighthouse for both chrome And firefox,

page load time browser extension

The Page Load Time browser extension for Chrome and also for Firefox provides a highly accurate page load metric as it uses the Navigation Timing API, which is described at Mozilla Developer Page for Navigation Time API,

The browser extension has been installed over 100,000 times and rated 258 times.

Once installed, all you have to do is go to a page and look for the page load time icon on the top right corner of the browser.

The icon automatically reports how long it took to download the webpage.

page load time extension iconpage load time browser extension icon

Clicking on the icon reveals more details about a wide range of factors that tell a more complete story about whether the page downloaded as fast or as slowly as it did.

page load time detailScreenshot of page load time browser extension details, March 2022

As you can see in the example above, the Page Load Time browser extension exposes a surprising amount of information organized in an easy-to-understand format.

The detailed report shows delays caused by redirects, response times for DNS, and connection times.

The report also calculates the response time for the webpage from the start of the request to the completion.

There are precise measurements for when the script is executed, when the content is loaded, and how long it takes for the page to finally load.

This is an extraordinary amount of information displayed in an easy to understand way.

here is page load time extension for chrome And Load Timer Add-on for Firefox,

performance analyst

performance-analyzer extension for chrome browser Page load times are similar to browser extensions, going further in what it covers.

It uses the Resource, Navigation and User Timing APIs

This extension generates various metrics such as colored pie charts to provide a visual representation of requests by domain and provides navigation time API information in a convenient waterfall chart that visualizes render times.

According to the details:

“Performance-Analyst (aka Performance-Analyst) helps analyze the current page via resource, navigation and user time APIs – view requests by type, domain, load times, points and more – instantly.”

page size inspector

Page Size Inspector Extension for Chrome Especially useful because it provides a snapshot of a variety of metrics, including how many requests were made for fonts and the uncompressed size of that download.

What makes this extension stand out is its easy to understand interface and size in bytes for the following webpage resources:

  • HTML
  • js
  • css
  • Images
  • ajax
  • Fonts

Chrome browser extension also provides time in seconds to download so you can have a quick and easy overview of page speed metrics at your fingertips on the page.

Checkbot: SEO, Web Speed ​​& Security Tester

This extension aggregates several tools related to SEO.

The interesting thing with this extension is that it provides data that can help to understand why a webpage takes as long as it does to download.

The plugin reports on the following variables:

  • file Minimize,
  • Network compression information.
  • file caching.
  • Render blocking CSS and JavaScript.
  • Duplicate CSS and Javascript.
  • Highly inline CSS and Javascript.
  • redirect And chained redirects too.

All the above data points are very useful to understand the potential issues that need to be fixed.

As a bonus, Chrome Checkbot: SEO, Web Speed ​​& Security Checker The extension also provides various SEO-related data, and one of my favorites is Security Headers Data which can tell you if a site is vulnerable because of missing security headers.

page speed browser extension

Page Speed ​​browser extensions are extremely useful for publishers and developers.

They can help you quickly spot problems without having to open another webpage and then paste a URL on another website.

Page speed diagnostics can be done while you are on the site, automatically or with the click of a button.

more resources:

Featured image: StudioByTheSea/Shutterstock

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