<https://invisioncommunity.com/forums/topic/417414-category-tabs-by-ips-themes/#comment-2639440>
<http://schema.org/text>
"The tabs are automatically created based upon your forum categories.\n \n\n\n\tNo SEO impact. The plugin uses CSS to hide the inactive categories which means the underlying content is still crawlable by search engines.\n "
<https://invisioncommunity.com/forums/topic/417414-category-tabs-by-ips-themes/>