Download Source Code 3.7.2 Development Team is announcing that with version number 3.7.2 is already available to download.

What is ? is A complex tool for analyzing the speed and performance of a Web page, complete with very detailed reports and support for a wide variety of metrics . can be used via the Node.js command line and comes with support for HTML reports and logging via Graphite. It works by using PhantomJS to mimic one or more browsers, downloading the page, and collecting various Web performance-related metrics.One or more pages can be fetched, even entire websites, mocked and logged in various conditions.The metrics it collects are based on a set of “rules”, some imported from the YSlow Yahoo project, some created specifically for can use these rules, or additionally create their own.Once the metrics collected, the developer can opt to view them inside a classic HTML report, as a small summary, an in-depth analysis, a per-page breakdown, and with a list of encountered errors.If needed, can also be used to fetch data from other page speed/performance analysis services like and Google Page Speed Insights.

This is changelog for version 3.7.2 :

  • New structure for URL paths sent to Graphite. Now follow protocol.hostname.pathname structure.
  • Send size and type of every asset to Graphite.
  • Renamed requesttimings to requests when choosing which data that should be sent to Graphite.
  • Hail the new default waitScript! If you are using phantomjs2 we will now wait for the loadEventEnd + aprox 2 seconds before we end a run for YSlow.

You can read the complete changelog and also download this latest version on their homepage: - lets developers analyze the performance of a Web - For each page, asset, domain, and errors, a special page is created for in-depth - Lots of Web parameters are logged with and reports can be viewed via a HTML page or inside a Graphite

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