How to choose the right image file format However, this compression ratio comes at the cost of reduced quality that becomes more evident after zooming in on the image, or at extremely high compression ratios. Lossy compression algorithms always have a superior compression ratio (the ratio of the size of the compressed image to the original image) as compared to lossless compression. Lossless compression can reduce file size, but preserves visual quality. Some techniques are more noticeable than others. Lossy compression means the image is compressed in a way that reduces visual quality. It’s important to understand the difference between both types of compression as it explains the tradeoff you make between file size and image quality. Almost all forms of data that we see on the internet - text, images, animations, graphics and videos - are compressed to reduce the size of data and ensure faster load times in web browsers. If image files weren’t compressed, using the internet would be a serious exercise in patience. It might be crisp and sharp, but when you load the page, it’s painstakingly slow. Or, confusingly, your image might look perfect. The wrong format means that your image might look stretched, pixelated or blurry. The first thing to know is using the right image format for the right job means your design will come out just how you intended. It’s not always a black-and-white choice as to which file format will make your image look its best. Learning which format to use in a given scenario takes time to achieve. While most content creators might be familiar with the different image file formats, it can be tricky figuring out which one is optimized for your use case. The most popular web image file formats are JPG, PNG, WebP, GIF and SVG. These files come in a variety of formats, some of which you might recognize. According to Deloitte, an improvement of 0.1 seconds on mobile sites can boost conversion rates for retail sites by 8% and travel sites by 10% on average.Įvery graphic, logo, avatar and photograph you see online is an image file. Even small improvements to page load speed can make a big difference. Using the correct image format doesn’t just improve the presentation of your images it increases the speed of your website, boosts search engine ranking and can help your conversion rate. One of the easiest ways to level up your content is to use image file formats to your advantage.
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