PageSpeed will make a best effort to expire its asset (.css, .js, .png, .gif, .jpg) cache periodically. During periods of rapid changes, automatic expunction may lag behind changes pushed to a server necessitating a manual flush of the cache. Expunging PageSpeed cache A PURGE header may be sent to the asset forcing PageSpeed to expunge its…
Overview Applications launched through Passenger, which includes Node, Python, Ruby, and Meteor, may receive optimizations to JavaScript, CSS, and image assets which are not explicitly defined within application logic. Take for example a small external JavaScript asset that may become inlined after the first request: <head> <script src=”//test.js””></script> <!– rest of head –> becomes: <head> <script>//<![CDATA[ console.log(“Hello 212a.”);…
Overview Hosting platforms v5+ support easy integration of Google Analytics into your Dashboard. Analytics provide a bevvy of useful metrics including unique visitor count, visitor behavior, SEO efficacy, goal targeting, and browser usage. Enabling Analytics Analytics requires setup within Google Code and the control panel. Prerequisite: Google Analytics must be setup before completing this. See KB: Enabling Google Analytics…
Overview PageSpeed (mod_pagespeed) optimizes your site and makes content load more quickly. PageSpeed applies a variety of filters including minifying scripts, inlining CSS, and automatically deferring JavaScript to avoid blocking DOM rendering. Users can browse your site with less latency, and in turn, improve visitor engagement. Availability PageSpeed is available on all v5+ platforms. PageSpeed is enabled by…
Overview In rare certain situations, PageSpeed may make debugging a staging site more difficult or interfere with custom JavaScript that manipulates the DOM in a HEAD tag. Although likely unnecessary to disable, PageSpeed may be disabled on your site with a simple htaccess directive: Create a file named .htaccess in the document root of the…