When I viewed source of a Discourse Forum webpage I found a semi-hidden noscript Link!
Technically speaking there’s nothing wrong with the link or the message as long as the link is also shown to visitors with javascript enabled: guess what, the link to https://www.discourse.org does NOT show for those visitors, that’s a semi-hidden text link.
Normally I’d confirm the hidden text link by viewing the Googlecache of a webpage, but I got lazy and assumed it would be in the cache and informed the Letsencrypt forum they have a hidden link and should fix it ASAP.
Eventually I checked the Googlecache and here’s where it got interesting, we now go into the hidden realms of blackhat SEO cloaking techniques.
Continue Reading Black Hat SEO Link Building Techniques to Avoid - Discourse.org Hidden Links