The abc.xyz Source Links to hooli.xyz

Is this a Sergey Brin easter egg? His old resume contained &#x27;hidden&#x27; cheeky comments (as HTML comments, check the source):<p><a href="http:&#x2F;&#x2F;infolab.stanford.edu&#x2F;~sergey&#x2F;resume.html" rel="nofollow">http:&#x2F;&#x2F;infolab.stanford.edu&#x2F;~sergey&#x2F;resume.html</a><p>HN submission about Brin&#x27;s resume with numerous comments: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9055516" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9055516</a>

&lt;a href=&quot;<a href="http:&#x2F;&#x2F;www.hooli.xyz&#x2F;&quot;" rel="nofollow">http:&#x2F;&#x2F;www.hooli.xyz&#x2F;&quot;</a> target=&quot;_blank&quot; class=&quot;hidden-link&quot;&gt;.&lt;&#x2F;a&gt;<p>a.hidden-link{color:inherit;cursor:text;text-decoration:none}<p>a.hidden-link:hover{color:inherit;cursor:text;text-decoration:none}

the twitter account is <a href="https:&#x2F;&#x2F;twitter.com&#x2F;SiliconHBO" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;SiliconHBO</a>

Wonder who Bighetti is supposed to be making fun of.

Why is one meta tag closed and the others open?