older-tomato-theme/jekyll_theme/_includes/counters_body.html

{% if site.yandex_metrika -%}
<noscript><div><img src="https://mc.yandex.ru/watch/{{- site.yandex_metrika -}}" style="position:absolute; left:-9999px;" alt=""></div></noscript>
<!-- end yandex_metrika counter -->
{% endif -%}