As you may know it is very easy to add a new search engine to the SE search filed in FireFox and Opera.

1. FF: Click on the icon at the left of the search field + scroll down to manage SE + Install additional SE's (or whatever the English text is).
2. On this page https://addons.mozilla.org/en-US/fir...:all?sort=name choose or
3. Search for add-ons - Example: bing
4. I installed this https://addons.mozilla.org/en-US/firefox/addon/12661 add on
   
   That compares Google to Bing SERP's.

1. Opera: ctrl + F12 + search folder + add
2. Additional information: Opera-hjelp: Innstillinger: Søk

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The same change can be made in Chrome and IE just as easily.

Chrome: Click the wrench icon (upper right corner) > Options > Basics tab > Click "Manage" in Default Search > Click Add.

Internet Explorer 8: Click the down arrow to the right of the search bar > Click Manage Search Providers > Click Find More Search Providers

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