PV Team Guide: Top 5 Tools to Check your Website’s Speed, Responsiveness and Overall Performance that are Absolutely Free

Peter A. Liefer II | Posted: September 1st, 2016 | Updated: July 26th, 2023

PrimeView AZ - Tools to Check Website Responsiveness and Performance

As professional web developers of one of Arizona’s Leading Web Design Agencies, we make sure our outputs are very reliable when it comes to aspects such as speed, responsiveness, and total performance. We know how these are important components of a great website and being under Primeview’s roof, we seek only the best.

The team is sharing different tools that we use, so you can see for yourself if your website passes the web standards and are very well optimized like ours. Here’s a list of our Top 5 useful tools for checking web performance.

PrimeView - Web Page Test

Web Page Test

Developed by AOL, an open source tool supported by Google itself as part of its efforts to make the web faster. This tool is, according to AOL, run for the benefit of the performance community with several companies and individuals providing the testing infrastructure around the globe.

Basically how this tool works is simple, to test your website, you paste your website URL in the form at the beginning of the process and run the test. After getting the results, the data will be shown in different formats. At the top of the results page, you’ll see whether you pass the aspects of a well optimized website in the form of First Byte Time, Keep-alive Enabled, Compress Transfer, Compress Images, Cache static content, and Effective use of CDN, if the grade is from A-B, you’re good to go, if not, there must be some more optimization to do.

PrimeView AZ - Page Speed Insights

PageSpeed Insights

As for Google, PageSpeed Insights measures the performance of a page for mobile devices and desktop devices. It fetches the URL twice, once with a mobile user-agent, and once with a desktop-user agent. This is a great tool to see if your website is performing well, it ranges from 0-100 points, 85 above indicates a great performance. One more perk of using this tool is it tells you points on where your site needs improvement so you’ll know where to work with.

AZ Web Design - GMetrix


This tool is another speed tester for your site, it gives you insight on how well your site loads and provides actionable recommendations on how to optimize it. GTmetrix lets you analyze your website and grade it according to its performance and gives you helpful suggestions to boost your site. It also provides a wide range of features to help you make your site faster, or as they say, “Take advantage of all the features GTmetrix has to offer and make your site the fastest it can be!”

Phoenix AZ - Mobile Website Speed Testing

Mobile Website Speed Testing

In comparison with PageSpeed Insights, this tool test your site’s performance from desktop to mobile, letting you know your users’ experience and gives you helpful points to work on in your website. This tool is also developed by Google that gives you a material interface that is very easy to navigate and read through, it makes analysis easier, one of the big difference of this tool is the ability to send the results directly to your email to save time and have a personal copy of the report.

PrimeView Arizona - Resizer Tool


It’s better to know if your site is visually appealing on every device, especially nowadays when people browse through their phones and less frequently on their desktops. This tool lets you view your website in different viewports in desktops, tablets, and mobile devices. You can now evaluate your website’s usability in devices and see how readable it is to your users. Another helpful and effective tool developed by Google for free use.