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In the WebVideo System Admin have has an option to change the position of each performer on the main page. 
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To make performer always on the first place
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2) Choose Questionnaire tab and find the Performers Page Position drop-down.
3) Choose the correct value - the bigger the value the higher position will performer have on the result page.
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So, if we choose "10", performer will be always on the first position. If there are two performers with the same rate, the one who gets his rate first will be displayed higher.
This way you can organize position of all the performers or specify exact top-10.
If we choose the option "Do not change" is chosen - the System will generate the search position based on its default settings.
Please note that online performers will always be displayed higher than top-positioned performers. But among online performers, the one with the bigger page position will be displayed higher