Pingdom is one of the most widely known speed testing tools on the internet. Alongside being easy to use, it allows you to choose different geographical locations to conduct a test.
Google PageSpeed Insights refers to a blog performance monitoring tool built by Google. It shows the performance of your blog on desktops as well as mobiles.
GTmetrix generates scores for your web page performance and gives you recommendations to enhance them.
WebPageTest is another free blog speed testing tool you can use. It is a little more advanced than some of the other available tools.
This is another free blog testing tool that allows you to select a browser, geographic location, and switch between desktops and mobile tests.
This speed testing tool provides quality as well as performance reports. It displays a percentage score for speed followed by issues, improvements, and then successes.