Question

What are the pre defied images ​

Answer 1

Optimizing images on a website is a daunting task. You can choose to use fewer images, compressed images, sprites or svg; the list goes on. One place where many WordPress sites get tripped up is in defining image sizes, which is a crucial aspect of optimizing content-heavy sites.

Image sizes are vital because images are automatically created according to the sizes given when images are uploaded. This ensures that even if you have a 3000px wide original image, it is never used if a 600px image is enough. Ideally a 600px wide space should use a 600px wide image instead of scaling down a larger one.

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Answer 2

Optimizing images on a website is a daunting task. You can choose to use fewer images, compressed images, sprites or svg; the list goes on. One place where many WordPress sites get tripped up is in defining image sizes, which is a crucial aspect of optimizing content-heavy sites.

Image sizes are vital because images are automatically created according to the sizes given when images are uploaded. This ensures that even if you have a 3000px wide original image, it is never used if a 600px image is enough. Ideally a 600px wide space should use a 600px wide image instead of scaling down a larger one.