Edit title-tag in wp_head with yoast seo

I don’t think adding <span itemprop> to the <title> is a good idea… If you can not use any existing tags like <h1> for that, you may consider adding meta tag: <meta itemprop="name" content="Company Name">. You can add this using wp_head, but keep in mind it should be within itemscope.

If you really going after changing title tag, Yoast SEO has it’s own filter ‘wpseo_title’, so you need to call that one.


add_filter('wpseo_title', 'filter_title');
function filter_title($title) {
// do something to the $title here
return $title;
}