Additionally, we also check if your images are displayed in a grid with columns: e.g.
Responsive resize image logo full#
You can have full width pages, or pages with sidebars, have page padding etc. That is a pretty difficult task, as you can set the site width in px, but also in %.
For the sizes attribute, we check and calculate the exact content width. As mentioned earlier, we create several uncropped images, 200, 400, 600, 800, 1200 etc., which makes sure that for all kinds of devices and scenarios, the right image size will be available. So, out of the box, you don’t get you the big performance boost. Additionally, the sizes attribute is pretty generic. In WordPress, not many image sizes are available by default, and most are also hard cropped. Let’s just look at the scrcset and sizes attributes to understand their syntax. To improve their image handing, WordPress also made some changes back in version 4.4, that added native responsive image support, by including srcset and sizes attributes to the image markup it generates. By including the available sizes of an image into a srcset attribute, browsers could now choose to download the most appropriate size and ignore the others-potentially saving bandwidth and speeding up page load times in the process. This might seem excessive, as there will be 18 files for each image uploaded, but the extra file size isn’t really that large if your initial image upload is well optimized, and the performance benefits far outweigh the extra storage. 
You might also know that Avada creates another 13 versions of the image as well, so that there will be an appropriate sized image for any area in the theme you might use it in. You might know, that when you upload an image to the WordPress Media Library, WordPress actually makes 4 other sizes of that image, based on the sizes you specify in the WordPress > Settings > Media settings (plus an unlisted intermediate size). To understand how Avada handles images, you need to know some technical background.
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