Lossless Compression: As the name suggests, in lossless compression the image is compressed while retaining the original quality of the image. This type of compression can give you maximum file size reduction, the trade-off being a little loss of quality. The loss of quality can be kept to a minimum so it is not readily noticeable. Lossy Compression: To keep it simple, lossy compression is a type of compression where the image is compressed with some loss of quality. The terms Image Optimization and Image Compression have been used interchangeably in this article. Image Optimization and Image Compression: Image optimization involves compressing a image to make it smaller in size yet retaining the image quality. These are, TinyPNG, WP Smush and EIn this article, let's take a closer look at each of these plugins, their pros and cons and then figure out which plugin is the best when it comes to compressing images (JPEG and PNG) to the max while retaining the image quality.īefore going into the article you might want to familiarize yourself with the following terms: There are three plugins that really stand out when it comes to image compression. You can solve this issue by using a WordPress image compression plugin that compresses all auto-generated image sizes along with the original image.
So even if your original image was optimized you will still need to re-optimize all these new sizes (unless you are only going to be using the original image) which can be a bit of a work. This includes the standard thumbnail and medium size and any other custom size that your theme uses. Manually compressing images for wordpress can be a bit tricky as wordpress auto-generates cropped/resized versions of the original image upon upload. This is because Google and other search engines consider Page load speeds a vital factor when it comes to ranking websites. Compressing your images can not only help you save bandwidth, but also increase page load speeds and thereby benefit your from the SEO perspective.
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