This is a list of notable Web Performance Optimization resources. This topic was first described in this way by Steve Souders in 2010. Books Most of the books that deal strictly with Web Performance Optimization are published by . Steve Souders' first book, High Performance Web Sites, kicked off the "High Performance" series of titles that O'Reilly publishes. A list of books in this series is below. * High Performance Python (Future Release - Est. July 2014) * High Performance Drupal (Released October 2013) * High Performance Browser Networking (Released September 2013) * High Performance MySQL (Released March 2012) * Even Faster Websites (Released June 2009) * High Performance Web Sites (Released September 2007) Free Tools (Browser Based) * YSlow * Google PageSpeed Free Tools (Windows Based) * Compuware Ajax Edition Front-end Optimization (FEO) Tools The companies and tools below provide automated performance optimization solutions (FEO). Some of them are cloud based, and others are applications that live inside a datacenter. * Yottaa Site Optimizer * Akamai Blaze * Limelight Orchestrate Performance * SiteSpect Front-end Optimization * Radware FastView * EdgeCast Edge Optimizer * * Fasterize * Cloudflare Optimizer Web Application Streaming * InstartLogic Lists of Best Practices * Yahoo Performance Rules * Google Best Practices * Web Performance Today Best Practices Conferences and Meetups * Velocity * Web Performance Meetup Groups * Web Performance Days Monitoring Tools There are two main types of performance monitoring: synthetic and RUM. There are a number of free and paid tools that provide monitoring services in both categories Synthetic Monitoring * WebPagetest * Rigor Web Performance * Keynote Web Performance Testing * Compuware APM Website Performance Test * Website Test, a product by Yottaa * GTMetrix * Catchpoint * Uptrends Real User Monitoring * SOASTA mPulse * New Relic * Catchpoint Glimpse Blogs Perf Planet aggregates web performance blogs, so subscribing to its RSS feed is an efficient way to get a feed of the latest Web Performance Optimization news. If you want to add a source to the Perf Planet blog roll, you can submit a pull request on its GitHub repository.