Use This Google Tool to Test the Speed of Pages
There are many options available for website owners who want to test the speed of their websites. Before deciding on which tool to use to test your website, it's important to keep one thing in mind: each tool assesses website performance somewhat differently. Because of this, the best overall approach to testing mobile speed is to use a combination of the following tools and to try and receive high marks from all of them. One such tool is Google PageSpeed, though one can also use Google's Lighthouse extension for Chrome, which includes all of the features of Google PageSpeed, and more. PageSpeed primarily evaluates how quickly a website's pages load up. This is important, since additional time spent waiting for a page to load may drive users away from your website, but it is ultimately a one-dimensional metric. It's also possible to manipulate Google's tests to return higher scores, but this will tend to slow user experience and return lower scores from other tools. Another speed testing tool is GTMetrix. With GTMetrix, you can simulate everything from loading your webpage from a given location, to loading it with a given kind of browser, to the connection type used to load it. GTMetrix also generates detailed reports about your website's performance, and the free version allows you to monitor up to three websites and get weekly reports comparing each website's performance one week with its performance during a past week. The premium version allows you to test the website on mobile versions of browsers and get daily or hourly performance reports. Pingdom is yet another speed testing tool, and it is very easy to use. One of its chief advantages is that it generates a waterfall chart for users which clearly and simply lays out all of the service delays and other performance issues that a website may have. The chart is even color-coded to make it easier to see the source of each performance issue. Because of the different ways in which these tools evaluate website speed, there really is to "best" tool to use for conducting mobile speed tests. Rather, the best thing to do is to use them all and try to make your website achieve the highest scores possible on all of them. For more information click here https://www.reddit.com/r/SEO/comments/8yiyl5/whichisthebesttoolfortestingmobilespeed/.