A system, method, and computer-readable medium are disclosed for browser based polling of jobs used to build a web page of a web application. A web browser builds the web page of the web application and connects with one or more web services for jobs used to build the web page of the web application. A reusable service from a library is downloaded and is used at the web browser to poll the jobs as they are received from the web services. Polling the jobs is performed until download is complete. The web page application is updated when the download is complete.