Button with id="load-more-button" is responsible for adding content to a page. The button itself has the following look:
<a id="load-more-button" href="#" class="btn btn-control btn-more" data-load-link="items-to-load.html" data-container="newsfeed-items-grid"> <svg class="olymp-three-dots-icon"> <use xlink:href="icons/icons.svg#olymp-three-dots-icon"></use> </svg> </a>