Comments stream on an article page
<div class="o-comments" id="o-comments-stream" data-o-component="o-comments" data-o-comments-article-id="00000000-0000-0000-0000-000000000000" data-o-comments-article-url="https://www.ft.com/content/00000000-0000-0000-0000-000000000000">
</div>
Comments count on an article or stream page
<div class="o-comments" data-o-component="o-comments" data-o-comments-article-id="00000000-0000-0000-0000-000000000000" data-o-comments-count="true">
</div>