Website Speed and Performance Checking Tools

Improve your website's speed and performance with these top check tools. Boost user experience and SEO rankings. Check them out now!

Google is considering site’s loading speed in determining its ranking. Even though this will not land a big impact, it is still something we (webmasters) should look into. The reason is pretty simple – most visitors are usually in a rush, and no one is fond of waiting half a century before the website finally loads its content or fails to load.

In another word, if your site is slow, you are subjected to losing a lot of visitors. Visitors are traffic, traffic affects reputation, and they can potentially generate revenue. It can be a domino effect if one ignores the consequences of a slow-loading site.

It is essential to identify what builds up your website before you jump into the codes trying to speed things up because it cannot be done without knowing the culprits that are slowing down your website. This article compiles a collection of useful web services and tools that will help you to diagnose and analyze your site, allowing you to understand your site better.


Test the load time of all Website objects (HTML, images, Javascript, CSS, iframes, and others). You can also check how fast every element of your Website loads and improve the slow-loading items. In the summary of test results, you see the report of the site loading time, loading time of each element, element sizes, and the total number of elements.



Combines two of the most popular Firefox performance add-ons – Yslow and Google Page Speed. Gtmetrix gives you suggestions on what you need to improve your website. Although Yslow and Google page speed is recommended for Firefox, they can also apply to another browser.


Load Impact

Loadimpact is an essential tool for large Websites visited by tens of thousands of visitors daily. A free account allows you to check the loading impact with 50 simulated users; anything more you’ll have to upgrade to a premium account.



Site-Perf fully emulates natural browser behavior by downloading your page with all the images, CSS, JS, and other files – just like a regular visitor, and on the report, you can see the Website page loading what files start loading at first and how fast. It is a handy performance report to find elements needed to improve your website’s loading time.



Shows the duration of a given website. This value can be used for showing how long a website takes to load and if it is better to optimize the website or change a (slow) ISP.


PageSpeed Insights

Page Speed is an open-source Firefox/Firebug Add-on. Web admins and web developers can use Page Speed to evaluate their web pages’ performance and get suggestions on how to improve them.

PageSpeed Insights


Internet Explorer plugin that visually displays the underlying requests made by the browser for content. It also provides suggestions for improving the performance of the measured page.