Systems and techniques for dynamic edge content personalization are described herein. A request for a webpage may be received from a content delivery network for a user. Callback instructions may be generated for a user fragment and a webpage fragment. The webpage may be configured using a webpage template. A set of personalized content fragments may be received that correspond to the webpage template. A personalized content fragment may be selected for the user from the set of personalized content fragments using the callback instructions for the user fragment. The personalized content fragment may be transmitted to the content delivery network. The content delivery network may use the personalized content fragment and callback instructions for the webpage to render and deliver the webpage to the user.