WordPress does a pretty good job of handling images that you upload via the Posts Editor in the admin area. For example, when you upload an image, WordPress automatically creates a thumbnail of the image. To get the best results from this feature, there are a few things to bear in mind.
First, you should note that even though WordPress creates a thumbnail of the image, the original full-size image will still be stored on your server. If the original image is particularly large (for example, wider than 1280 pixels), you need to decide whether you want your readers to be able to view it. If you do allow your readers to click the thumbnail and see the full-size image, it could be costly for you in terms of bandwidth and disk space. We will see how to prevent your readers from being able...