free online tools to review your website health

What happens to my website that is so slow or is not even loading? Why does it take so long for my website to load? How can I tell if there is something wrong with my website? Do you like to have an instantaneous idea without having to contact your web developer? You simply need to test your website to identify the problems and face the solutions. Several tools will help you find errors and opportunities to improve the performance of your webpage.

Some of these tools are useful to measure the download speed and usability of the website, test and monitor traffic patterns, locate broken links, evaluate the search engine and browser compatibility, others that test versions in different screen sizes or determine if it is a mobile-optimized page.

In addition to troubleshooting, many of these tools offer us solutions to fix problems.

1. Google PageSpeed

This tool that Google provides test the speed of your site in both web and mobile versions. It is one of the most important tools since it is also the score that Google uses to show you the search results.

2. GTMetrix

As a general rule, the website should not take more than five seconds to load, a website that takes time to load is penalized in terms of SEO. With GTMetrix you can analyze the loading time of your website and which parts take the longest

3. Pingdom

The Pingdom Speed ​​Test site analyzes the loading speed of your website and shows you different solutions to improve it.

Among other options, it allows you to see the size of the files, the loading times and other details about each element of your page to identify the bottlenecks in the performance. Also through this tool you can see if your site complies with the best performance practices of Google Page Speed.

4. W3C Markup Validation Service

It is essential if you want a well-positioned website that respects the accessibility standards published by the World Wide Web Consortium (the W3C), the highest organization within the Internet hierarchy that is responsible for promoting accessibility. You can use the W3C CSS Markup Validation Service, a free software that helps web designers and developers to validate Cascading Style Sheets (CSS).

5. W3C Link Checker

The Link Checker is a tool that will allow you to look for problems in links, anchors and referenced objects in a web page, in its CSS style sheets, or recursively in a complete web site.

6. W3C mobileOK Checker

This checker performs various tests on a web page to determine your level of mobile use. The tests are defined in the mobile as basic tests of specification 1.0.

7. Webpagetest

Webpagetest is a testing tool that analyzes your website and suggests different solutions to improve its performance. It runs a free website speed test from multiple locations around the globe using real browsers and at real consumer connection speeds. You can run simple tests or perform advanced testing including multi-step transactions, video capture, content blocking and much more. Your results will provide rich diagnostic information including resource loading waterfall charts, Page Speed ​​optimization checks and suggestions for improvements.

8. Mobile Friendly Tester by Google

An essential tool, even more so since Google gives so much importance to the mobile version of your website. Essential to verify the correct usability and to avoid losing positions in Google from now on.

9. Dr. Watson

Dr. Watson is a free service to analyze your website. To use it, simply enter the URL of your website and Watson will receive a copy of it directly from the web server. Dr. Watson also evaluates many other aspects of your site, including link validity, download speed, search engine compatibility, and link popularity.


The tools presented above are some of the many examples that exist on the market. The main objective of this article is to offer some guidelines that allow us to obtain relevant information from our website and help us on a day-to-day basis.