Prevent hotlinking of your site images

A common problem with image intensive sites is “Image-Theft” also known as hotlinking. If your site hosts images that other sites are linking to, it can cause a substantial increase in your bandwidth costs. For small sites who pay by the gigabyte’s this can be quite a problem. For example, if a hotlinked image of 150K from your site is being accessed 1000 times a day, then that’s around 145MB of wasted data transferred from your site daily. Add a few more images and the bandwidth costs quickly add-up. A simple way is to use .htaccess to disallow other sites from hotlinking to your images.
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