We recommend setting the limit to 10 KB (10240 bytes). The profiles can add up weight to your images, so you can reduce their size by getting rid of excessive ICC profiles. ICC profiles define how image colors should be displayed on your screen. max_icc_size/:number/ :number: the maximum allowed ICC profile size in kilobytes ICC profile size threshold (image meta) - can save up to ≈1 MB for some images Use lightest (≈50% file size) for retina resolutions, when you don’t have to worry about the quality of individual pixels and lighter (≈80% file size) for every other occasion. With Uploadcare, you use quality presets. Works with jpeg and webp images (the formats support setting quality levels). quality/:value/ :value: lightest, lighter, normal, better, best docs / image quality Use the `auto` value to deliver WebP images to user 1.2. Since WebP is not everywhere, it is a good practice to specify the jpeg or png format as a fallback. Use the auto value to deliver WebP images to user browsers that support the format. format/:format/ :format: jpeg, png, webp, auto Let’s move on to optimizing images in three steps. From there, you manipulate images by changing their URLs: include Image Transformations as URL directives: The files will now have their s starting with followed by their UUIDs. Once you upload files, they get cached by a CDN, which alone improves image load speed. Upload some test images (Dashboard//Files).This step is technology agnostic: you can use other tools to manipulate images. In our examples we’ll use Uploadcare Image Transformations. You’ll need a tool allowing you to manipulate images in real time, Image CDNs do this job well. Add Lazy Loading - load only those images users are looking at.Use Responsive Images - serve appropriate images to every device and screen.Optimize Size & Format - get rid of excess image weight at no significant loss in visual quality.We decided to make this a no-hassle and crafted this ultimate guide on optimizing images in three steps: Thousands of folks out there use Uploadcare to optimize image assets.
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