Don't worry! It's actually "Tenderlove Making," going by how the site header is constructed. Definitely a maker/hacker site, and not whatever you were thinking. Hope this allays your concern.
It's the personal blog for a well-known Rubyist (i.e., a person who programs in the Ruby programming language). Rubyists teld to be a bit more colorful than your typical software developer (in a good way... most of the time).
… a feature which, at least for me, is rendered almost entirely useless by massive cookie banners that always cover the entire field of view of the hover. But, surprisingly, not in this specific case.
Presumably the browser still has to fetch the page in that case, right? From a "surveilled net traffic" perspective, how is that different than clicking the link?