The present disclosure involves systems, software, and computer implemented methods for preserving a Hypertext Transfer Protocol (HTTP) request. One process includes operations for receiving an HTTP request and generating request and response objects representing the HTTP request. Multiple child threads are generated and then executed at content providers to render content in response to the HTTP request. A first portion of the rendered content is transmitted, but the request and response objects are stored in memory and made accessible to content providers associated with pending child threads. The content providers associated with the pending child threads utilize the request and response objects to render a second portion of the content.