https://news.ycombinator.com/item?id=3132752
New silent HN policy to avoid showing its users that some people don't like them.
The presence of this attribute instructs the client to not send the HTTP header "Referer" [1] when making a request to the target URL.
[0] https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes... [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Re...
<a href="http://www.jwz.org/blog/2011/10/eff-declares-premature-victo..." rel="noreferrer">Jwz: Google's pseudonym support "obvious bullshit"</a>
Might be that the method is different on a specific browser, but most likely you are looking in the wrong place.
I can see no `rel` attribute on other submitted links.
Are you perhaps using some privacy-enhancing browser extension which adds the `rel=noopener` attribute to every link?