![]() If you’re comfortable with the command line, you can compress images from there. Programs like ImageMagick , jpegoptim, and Optipng can be used to optimize images with a single statement, saving time. ImageMagick can be installed for all common operating systems. With the “convert” command, for example, JPEG images can then be set to a specific quality level: How to compress images on Windows and Mac Compress images with ImageMagick The WebP image format developed by Google offers both lossless and lossy compression, and can therefore be used flexibly. It’s fully-optimized for “ Web Performance ”, and could mean the eventually supersede JPG and PNG (it can shrink PNG images by 26% with the same quality, for example). WebP is supported by the most popular web browsers, but not all. GIF is a lossless image format that allows for transparent surfaces. However, since only 256 colors can be displayed with it, the more modern PNG compression should be preferred. The GIF format has experienced a small revival thanks to its possibility of animation among meme lovers. As a website operator, you can do without it. The PNG format is less suitable for photos, but it’s perfect for logos and other images that have large blocks of the same color. The PNG format can display transparencies, and can therefore be placed on different backgrounds. ![]() It offers flexibility in color depth and modes, and is the compression standard for most digital cameras. It’s best used for photos and images with a lot of detail. By dividing into quality levels, an optimal degree of compression can be determined. This is the most widely-used image format on the internet. Here are the most important image formats for websites: JPEG, also JPG (Joint Photographic Experts Group) In general, there are two different types of image formats: “lossless” and “lossy “. Lossless format images retain all of the original image information, even when compressed. Lossy format images can lose information in the process. But you have a higher optimization potential. We know that page speed is a direct ranking factor, and affects SEO performance. In 2021, this became even clearer with the emergence of Core Web Vitals. What use are the most beautiful product photos, if the user loses patience while they are loading and leaves the website?įor the best possible user experience with many high-resolution images and fast page speed, you should therefore compress images. The average download volume of images from online shops is almost 2 MB – per page view! The result: slower page speed . The downside of using them? They take up way more storage space than a thousand words. It’s often the only factor that decides whether we read an online article, or buy a product. High-resolution, engaging images are part of a successful user experience, and make a significant contribution to the success of a website. One picture is worth a thousand words, as the saying goes. In this compact guide, we’ll show you how! If you want to improve your website’s user experience and visibility, then you need to compress images. The format and size of images used on your website have a major impact on the page speed, and, therefore, rankings in search engines. ![]() Images make up a large portion of your website.
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