<![endif] ★ On Github Open-source tool to measure the performance of your web app directly from your users' browsers. View Documentation Automatically get every page load and AJAX request into Graphite or OpenTSDB Free, open source, and self-hosted Fast, efficient, and less than 4kb of compressed javascript < script src = " bucky.js " data-bucky-host = " /bucky " data-bucky-page data-bucky-requests > </ script > Add just one script tag to your page, configure the host, and it just works . Bucky tracks every AJAX request and page load. Learn more Since Bucky uses the latest performance API, you get access to tons of metrics at sub-millisecond precision. You should know how users are experiencing your site. Learn more Bucky works with your existing Graphite or OpenTSDB database, so you contr...