WordPress & The Image Trap

Before you upload an image to Wordpress you should run it through a compression tool and or convert it to an appropriate file format, if the 3MB PNG is not on a transparent background then it should be converted to a jpg or even better a WebP image.

Andy Paddock
Updated on

Before I deal with the issue and more importantly how to resolve it here is a brief description of what WordPress is doing when you upload any image to your website. If your not really interested in the details you can jump straight to the fix.

WordPress handles images in a multifaceted manner, providing users with a range of options for uploading, managing, and displaying images on their websites. When you upload an image to WordPress, the platform automatically generates several resized versions of the original image to suit different needs across your website. These resized versions include thumbnails, medium-sized images, and larger sizes, ensuring optimal display on various devices and screen sizes. Upon uploading an image, WordPress saves it to the media library, where you can organize and edit images as needed. The media library serves as a centralized repository for all media files used on your site, enabling easy access and management. Within the media library, you can add titles, captions, alt text, and descriptions to images for improved accessibility and SEO. WordPress also provides built-in image editing tools, allowing users to perform basic edits such as cropping, rotating, and resizing images directly within the platform. This eliminates the need for third-party image editing software, streamlining the content creation process. Furthermore, WordPress offers support for responsive images, ensuring that images adapt fluidly to different screen sizes and resolutions. This responsive design approach enhances user experience by optimizing image display across various devices, including desktops, tablets, and smartphones. In addition to handling individual images, WordPress facilitates the creation of image galleries and sliders through built-in features or plugins. These tools empower users to showcase multiple images in an attractive and organized manner, enhancing visual appeal and engagement on their websites. Overall, WordPress provides a comprehensive suite of features for managing images, from uploading and organizing to editing and displaying, making it a versatile platform for creating visually compelling websites.

The Remedy

If I upload a 3MB PNG to my site then WordPress will copy that image in several different sizes, it will also compress the images it produces.

If that 3MB PNG is smaller in length/width than the largest image used by the theme then it won’t create a large version it will just use your 3MB PNG instead.

Before you upload an image to WordPress you should run it through a compression tool and or convert it to an appropriate file format, if the 3MB PNG is not on a transparent background then it should be converted to a jpg or even better a WebP image.

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