Essential Image Optimization

According to the HTTP Archive, 60% of the data transferred to fetch a web page is images composed of JPEGs, PNGs and GIFs. When choosing what quality setting to opt for, consider what quality bucket your images fall into:

Next, let’s talk about JPEG’s compression modes as these can have a large impact on perceived performance. The JPEG image format has a number of different compression modes.

Source: images.guide