Learning Center - What is an image optimizer? | How to reduce image sizes

An image optimizer is a service, product, or library that makes image files smaller. Typically, an image optimizer will reduce the file size of an image by compressing and resizing it, ideally without compromising the quality of the image too much. This optimizes images for the web because they will take less time to load in a user’s browser, increasing website speed and performance. Keeping images small is crucial for website performance, and website performance is extremely important for SEO and for keeping users engaged and active on a website. Learn more in the Learning Center.

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