![]() To find your answer to the question, try to see the subject from a different angle and ask yourself instead: There’s no single answer to this question: the ideal size of an image file is the one allowing you to have the lightest image possible while preserving the quality necessary for excellent performance on the page. How to Determine the Ideal Weight for an Image? The lighter your images will be, the faster your pages will download: it’s a constant struggle between pleasing your users -who love reading your content supported by beautiful images- and making King Google happy! Keep in mind that compressing and reducing your images’ size will also help you optimize the Largest Contentful Paint grade, one of the Core Web Vitals metrics. Performance and speed matter more than ever. In other words, when you compress an image you reduce the amount of storage space that image file will occupy: storage space is measured in kilobytes (KB) and megabytes (MB), where 1MB = 1000KB.Īnd here’s why you should compress your images: We all want our images to be crisp and high-quality, but it’s important to balance this desire with the time required for the pictures on your pages to be downloaded from the browser. What Does Compressing an Image Mean (And Why You Should Do It)Ĭompressing an image for the web means reducing its file size: this is achieved by minimizing the size in bytes of the image file without any quality loss. In this article, we are going to walk you through the secrets of image compression for the web: you’ll learn how to determine the ”right weight” of your images and which tools you can use to compress them and reduce their file size. The good news is that, with the right techniques, you can significantly reduce the size of your images and make your pages a lot faster. Use raster graphics when displaying images that would be difficult to describe using lines, points, and polygons such as photos and screenshots.Image optimization is an art that you cannot refuse to acknowledge if you want your website to be as fast as possible and give your readers the best user experience.Īs any painter needs to know the technicalities of their job (the use of color, styles, and artistic supports), you-as an image optimizer artist-should dig into the study of your images and understand their format capabilities, quality, pixel dimensions and so on. Also, any photo/screenshot will be a raster graphic by default. Raster graphics can be created using Photoshop, MS Paint, Paintbrush etc. This means it may sometimes be necessary to save multiple copies of the image at different sizes. However, they are resolution and scale dependent meaning that quality will diminish as size increases (think of what happens when you try to stretch a photo). This means that the files sizes are typically larger than vector graphics, but they can handle more complex images. Raster graphics represent an image by encoding the individual values of each pixel within a rectangular grid. However, they will need to be saved as a web-friendly file format before being inserted into a webpage (See Selecting the Correct File Format) Use vector graphics when displaying simple shapes such as logos, icons, and so on. SVG files can be created by vector drawing software (We recommend Adobe Illustrator) or by hand and directly in your favourite text editor. Vector images should be stored in a Scalable Vector Graphics (SVG) format. File sizes are usually smaller, especially when dealing with simple images that need to be displayed at any size. They are best used for images which consist of geometric shapes and deliver sharp results at every resolution/zoom. They use lines, points, and polygons to represent images. Vector graphics are resolution and scale independent, which makes them a perfect fit for the multi-device and high-resolution world.
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