If you troll page markup like me, you’ve no doubt seen the use of data URI’s within image src attributes. Instead of providing a traditional address to the image, the image file data is base64-encoded and stuffed within the src attribute. Doing so saves a network request for each image, and if you’re the paranoid [...]
Image Data URIs with PHP is a post from: David Walsh :: Legendary scribbles about JavaScript, HTML5, AJAX, PHP, CSS, and 8.