Algolia is a search engine product; <a href="https:&#x2F;&#x2F;hn.algolia.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;hn.algolia.com&#x2F;</a> is a &quot;side-service&quot; that indexes the HN firehose API. (It works reasonably well (readonly) as a modernized, alternative HN UI, actually.)<p>This is indeed a link to a search query on the site; it lists all the times &quot;how &lt;....&gt; became &lt;....&gt;&quot;.