As content creators, you use images daily to create a good user experience. In creating a good user experience, images help segment our text content. You can keep your audience fixed on your content with the aid of images. This not only helps achieve a good user experience but also a better-optimized website. Thus resulting in better page ranking.
But this desired goal is not achieved when the image sizes are too large. Large images will reduce your website speed, thus imparting on your Search Engine Optimization (SEO). To overcome this, for both SEO and user experience it is good you work on your image size. This is referred to as image optimization.
Image optimization implies reducing your image size and improving its quality. As you reduce the size you also improve the quality of the image. Thus the target is to reduce the number of pixels used to achieve a great quality image.
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This is very interesting. I didn't know the difference between JPG and PNG. I always use JPG by default but I can see I should switch to PNG for many of the graphics I used are charts which will have large areas of uniform color with no, or I do use a gradient, highly predictable hue and saturation variation. I am careful to reduce the size and to crop. One other aspect that I think is important is watching how images work on our content on both desktop and mobile devices. When I first started blogging I was adding images with tall aspect ratios, i.e. much taller compared with the width because I could wrap text either to the left or to the right and it broke up the content and made it easy to read. However, this doesn't work at all on mobile devices. So almost universally I have switched to using a more landscape format as standard extending across the whole column width. Thanks for another great article.
Best regards
Andy