integrer fil ariane template

<?php
if ( function_exists('yoast_breadcrumb') ) {
yoast_breadcrumb('
<p id="breadcrumbs">','</p>
');
}
?>

Common places where you could place your breadcrumbs are inside your single.php and/or page.php file just above the page’s title. Another option that makes it really easy in some themes is by just pasting the code in header.php at the very end.