Lazy Loading – Improve the initial page load time by only displaying an image when a user scrolls to that part of the page.Popular WordPress image compression plugins provide a number of additional tools to reduce the weight of images on page loading times. The pros and cons of lossless and lossy image compression. Image optimization plugins for WordPress may let you control how much compression is applied when you use lossy, but be mindful of the fact that heavy compression will lead to a bigger loss in image quality. There are pros and cons to each compression method, though lossy compression is favored by most website owners as it offers the largest reduction in image file sizes and therefore the biggest improvement in page loading times. Thankfully, many WordPress image optimizer plugins have addressed this problem, allowing you to retain the original image so that it can be restored later. Metadata can be preserved in the image if you wish, but it cannot be retrieved later if it is removed. Once an image is compressed using lossy compression, it cannot be restored to its original quality. This leads to smaller file sizes, but also means that image quality is reduced. It is also possible to store the removed metadata and restore the original image later. With lossless compression, unnecessary metadata can be removed from the image in order to reduce its file size, though the original image quality is maintained. Images can be optimized using Lossless or Lossy compression. Using the WP Compress bulk optimization tool to reduce the size of my test image. This is a practical way of reducing the file size of previously uploaded images, but be aware that this can slow down your WordPress website temporarily if too many images are processed directly on your website at once. Bulk compression can be used to optimize your whole WordPress media library. When it comes to compressing images, you can choose to compress images manually or automatically compress images as soon as they are uploaded. Change Image Format – Converting an image to a more efficient image formatĪlthough image optimization plugins for WordPress offer different features, they do generally work in a similar way.Image Compression – Reducing the quality of an image.Removing Metadata – Removing ExiF metadata such as creation date, shutter speed, copyright information, gelocation and more.Reducing Image Resolution – Reducing the width and height of an image.This can be achieved in a number of ways. The overall goal of WordPress image optimization is to reduce the size of image files without noticeably affecting their quality. What Do WordPress Image Optimizer Plugins Do? To help you improve your website’s page loading times, I am going to explain how WordPress image optimization works and compare the best WordPress image compression plugins available. Thankfully, this time-consuming task is no longer necessary as WordPress image optimizer plugins now do the hard work for you, automatically compressing every image uploaded to your WordPress media library. In the past, each image had to be optimized using a photo editor before it was uploaded to WordPress as the core version of WordPress does not provide any performance tools. The total weight of images has grown steadily since 2010. It is therefore important to optimize every image that is displayed on your website so that the total footprint of images does not increase page loading times. If you have ever used a website performance tool such as GTMetrix, Google PageSpeed Insights, or Pingdom Website Speed Test, you’ll know first-hand how much images can hurt your performance score. The total weight of images on web pages continues to grow each year, nullifying any benefit of internet speeds getting faster over time. The HTTP Archive State of Images report shows that the median number of image requests on a web page is 25, contributing to a median weight of 988.5 KB on desktop browsers and 881.9 KB on mobiles. Whilst many factors can contribute to a page loading slowly, images tend to have the greatest effect on page speed, representing around half the total size of the average web page. Fast-loading pages will give users a better experience when browsing your website and improve your website’s search engine ranking.
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