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Speedster – Magento Extensions

Speedster –  Magento Extensions

Speed up your store by combining, compressing and caching Javascript and CSS files. Fooman Speedster combines multiple Javascript and CSS files into a single Javascript file and single CSS file, for faster page load times. Keep customers browsing your store for longer!

Feature List

  • Speeds up your store, delivering an improved customer experience
  • Reduces the total size of files to be loaded as well as the number of HTTP requests, for both empty and primed caches
  • Fully automated once installed, with automatic versioning when Javascript/CSS files are updated
  • Compresses files without requiring gzip support on your server
  • Creates far future expire headers for the combined Javascript and CSS files
  • Multi store capable
  • Uses the Minify library by Steve Clay (released under a BSD license)

Refer to the “screenshots” tab for a before/after comparison of the treatment of Javascript and CSS files using Fooman Speedster.

Fooman Speedster is now controlled by an advanced self testing framework. You can only enable Speedster once the configuration has been set up correctly and all self tests run successfully.

Note that the self test does not include testing for existing Javascript errors on your site – it’s still important to do this separately before installing Fooman Speedster (see below for details).

System Requirements

Fooman Speedster works out of the box using an Apache platform run on Linux. In addition:

  • Mod_rewrite (a standard Apache module installed by default on most Linux servers) must be enabled
  • .htaccess must be supported
  • CSS images must be available under the same domain as the store
  • No existing Javascript errors on the store

Several developers have also successfully installed Fooman Speedster on different platforms by adapting the installation process. For further reading see the ISAPI2 and Nginx threads.

Is Fooman Speedster Right for my Store?

Fooman Speedster is a free extension which has been tested with the default Magento themes and successfully installed on thousands of Magento stores. However, there is always a risk that minifying and combining Javascript files can produce Javascript errors. We do not recommend using Fooman Speedster without thorough testing on a test site if:

  • Your store already contains minified files
  • Significant Javascript customisation work has been done on your store and the added non-default Javascript files do not follow best practice Javascript (you can test withhttp://jslint.com/)
  • Your store uses Jquery (or has extensions installed which use Jquery) – although a workaround is provided in the instructions, almost 100% of reported errors are from stores which also use Jquery


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