I would say that the average website should have a 1:10 ratio of PNG and JPG images.īut how do you know what kind of images you have on your website? JPG images should be used for pretty much everything else. PNG images should be used for vector graphics, for illustrations, logotypes, and images that require transparency. When it comes to website images there are two primary image formats used today: JPG and PNG. So let’s start optimizing our website images! Choosing the right image format And we all know that fewer images gives faster websites, which makes visitors and search engines happier. There are also studies that confirm that fewer images on a website will increase conversions. And even though mobile networks are improving, the connection speeds globally are still far from what most people are utilizing with powerful computers on various landline connections. Today, most of your website visitors today are mobile. Source: Pingdom We are pushing more data through smaller connections. This underpins the importance of images optimization. The last few years we’ve seen an increase of scripts and style sheets, but images are still the main contributor to the weight of a website. Today the average website page size is 4 MB, which actually is twice as much as just 5 years ago.Īpproximately 50 % of the content on a website is images. The first website had an average page size of 4 KB.
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