The ranking tool lists the most popular engines by default. To perform a check on the default engines, click the Check button.
To add other engines to the ranking tool, click the Engines button
Tick the check box next to the engines to select. To select engines from other domains/countries, click on a flag or select a folder, then select the engines. Click on the Subscribe button to add or remove countries/domains from your subscription. See the Engine subscription wizard section of the manual for more information.
Click the OK button to close the engines window, and click the Check button to begin the ranking check.