Smart cropping, to crop images while preserving the important visuals.Dynamically resize images based on the size of individual visitors’ devices.Choose which image thumbnail sizes to compress.Compress JPG, PNG, GIF ( including animated GIFs) and even PDF documents.Automatically resize image dimensions to a maximum that you set.Automatically compress images using multiple levels of lossy or lossless compression.But ShortPixel Adaptive Images is also worth checking out if you like what you see. I’ll test the regular image optimizer, as that’s the most popular version. For example, someone on a Retina screen will get a high-resolution image, while someone on a smartphone would get a low-resolution image. ShortPixel Adaptive Images – in addition to resizing and compressing images, it also serves your images from a CDN and dynamically resizes them based on each user’s device.ShortPixel Image Optimizer – resizes and compresses your images automatically.ShortPixel is a popular freemium option that’s active on over 200,000 sites.Īs of a recent release, ShortPixel actually comes in two versions: If I don’t mention the image quality, you can assume that there’s little difference in quality ( to the naked eye, at least). I will also note when the compression level caused a noticeable change in image quality. I will delete the EXIF data, when the plugin offers that feature.I think this is the fairest way to do things, as each plugin handles things differently. I will use the max lossy compression and lossless compression (two tests).
No resizing the image dimensions – only compression.To test the performance of these image optimization plugins, I’ll upload and compress the same JPEG and PNG images with each plugin. Let’s get optimizing… How I’ll Test These Plugins What’s more, all of these plugins also offer at least some form of free plan, though some are more generous than others. Performance (using the same test image for each plugin).Interface (AKA real screenshots of how it works).To help you find the best image optimization plugin for your site, I went hands-on and tested seven popular options. Looking for the best WordPress image optimization plugin to speed up your site?Īccording to the HTTP Archive, images comprise about 50% of the file size of an average web page, so finding a way to shrink that can make a positive impact on your site’s page load times.Īn image compression plugin offers an easy way to fix that because you can continue to upload images like normal, while having the plugin automatically optimize them in the background.
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