<div class="panel panel-default"> <div class="panel-heading">Главная</div> <div class="panel-body"> <ul> <li><a data-toggle="collapse" class="spoiler-trigger" style="color: #337ab7;">Проверка_1</a> </li> <li><a data-toggle="collapse" class="spoiler-trigger" style="color: #337ab7;">Проверка_2</a> </li> </ul> </div> </div> Tell me, please, how when clicking on Проверка_1 load a page with one text, and when you click Проверка_2 , with another? That is, not to make a new page for each text (html).