GTmetrix, a Great Help to Speed-up Your Website
GTmetrix is a web service that can be of great help to detect the aspects that slow down your website. We only have to indicate the address of the website we want to analyze and after a few seconds we get a complete analyzed report with dozens of factors that affect website speed. Each of these aspects also indicate how critical is loading speed and an index and how much it must be improved.
Also, the GTmetrix website has extensive documentation on each of the analyzed factors, to which we can access directly from the same report under Summary version. Discusses issues such as the number of queries to DNS, aspects of CSS that can be optimized, JavaScript, cookies, image loading code… A very comprehensive and a very intuitive graphical analysis. By clicking on each factor, we can see website points showing in a drop-down menu, that we can improve to speed up the website. From here we also have access to a brief description of this factor and how it influences the loading speed. The good news is that the results are displayed so clearly that it is very easy to understand the problems.
We can also see a graph with the loading time of each of the objects that make up the website, such as CSS, external JavaScript files, images etc. Other options include; comparison between different websites. This makes it easy to detect your weaknesses with regard to competition, a CMS to another or two different versions of a website.
Requires no registration to be used, but if we opt for registration, we can maintain history of websites that analyze performance and verify the effectiveness of the measures that we are applying. A useful tool for developers, easier to find the weak points of this crucial aspect to the success of a web project. And all without any charge, as we like best.