Even easier!!! Just add the Amazon GNOME Search Plugin to your browser. If you search with this plugin for buying stuff at Amazon the GNOME Foundation receives a referral fee
Add Firefox Search Plugin

If you use the GNOME Epiphany browser you can add a Smart Bookmark by adding a bookmark with the following URL:

If you use Chromium or the Google Chrome browser, you can use the above link to add a GNOME Amazon Search Engine by following these instructions.

Select other Amazon Store: Amazon.ca GNOME Store Amazon.co.uk GNOME Store Amazon.de GNOME Store Amazon.fr GNOME Store Amazon.jo GNOME Store