<https://tema21.com/tag/%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5%D0%BB-%D0%BC%D0%B8%D1%82%D0%BE%D0%B2#searchaction>
<http://schema.org/query-input>
"required name=search_term_string"
<https://tema21.com/tag/%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5%D0%BB-%D0%BC%D0%B8%D1%82%D0%BE%D0%B2/>