Make your store much more Google and user-friendly by optimizing your code structure. Automatically compress product images and use advanced JS/CSS minification options to improve your website performance and get higher score in Google PageSpeed Insights.

1. User Guide: Google Page Speed Optimizer
Page 1
Google Page Speed Optimizer
Magento Extension
User Guide
Official extension page: Google Page Speed Optimizer
Support: http://amasty.com/contacts/

2. Page 2
Table of contents:
1. JavaScripts minification settings…………………………………………………………………..3
2. CSS minification settings………………………………………………………………………….…..5
3. Fingerprints settings…………………………………………………………………………………....6
4. Render-blocking content settings………………………………………………………….……….7
5. Images Optimization………………………………………………………………………….…………8
6. Debug settings……………………………………………………………………………………………..10
7. Optimization results in Google PageSpeed Insights……………………………..…….…….11
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer

3. Page 3
1. JavaScript minification settings
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
To configure extension settings please go to System ->
Configuration - > Google PageSpeed Optimizer

4. Page 4
Choose the minification level.
Click here to read more about
minification levels.
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
Enable JavaScript
minification.
NOTE: For JS minification the
module uses the Google Closure
Compiler tool.
1. JavaScript minification settings

5. Page 5
Support: http://amasty.com/contacts/
Set the option to ‘Yes’ to enable CSS code
minification. During the minification process all
unnecessary characters like new lines, comments
and others will be accurately removed without
affecting your source code.
User Guide: Google Page Speed Optimizer
2. CSS minification settings

6. Page 6
The option adds
Timestamp to all JS and
CSS files to make browser
automatically update
cached values once they
are changed.
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
3. Fingerprints settings

7. Page 7
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
Enable this option to move all
JavaScripts to footer to make
pages render much faster.
4. Render - blocking content settings

8. Page 8
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
Enable the option to
automatically
compress all product
images generated by
Magento.
Install these utilities for images
optimization to your server . In
case you don’t want to install them
to the server, but only to your
website you need to specify the
path to the utilities here.
5. Images Optimization
NOTE: Please follow the step-by-
step instruction to properly
configure images optimization.

9. Page 9
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
5. Images Optimization
For correct image optimization please follow these steps:
1. Install jpegoptim, optipng and gifsicle %f -o %f utilities to your server.
2. Set the option to ‘Yes’ to enable automatic product images optimization.
3 . Then go to System -> Cache Management and click the ‘Flush Catalog Images’ button to optimize new
images.
4. To optimize images stored in skin and media folders you need to enter your server via ssh, open Magento
root directory and run the command:
php -f shell/amoptimization.php -- optimize

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6. Debug settings
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
Activate this option to
add all possible
minification errors to
log.

11. Page 11
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer
Use Google PageSpeed Insights tool to
check out your desktop website
performance.
7. Optimization results in Google PageSpeed Insights
See the example of PageSpeed Insights
results before and after using Google Page
Speed Optimization extension.

12. Thank you!
Your feedback is absolutely welcome!
Should you have any questions or feature suggestions, please contact us at:
http://amasty.com/contacts/
Page 12
Support: http://amasty.com/contacts/
User Guide: Google Page Speed Optimizer