Nevertheless, just had a look at the HTML of this page.
e.g. QUOTE is expanded to a whole block of HTML.
So it's different to what I'm serving, where HTML is the input and the tags can be seen on "Show Source".
It is normal to place these tags in the mid-tier, no matter what language.
One does not need a single library.
I would regard these tags as completely platform independent, and would thus argue, it's a different cup of tea?
Possibly the best "nofollow alternative" is to make the link entirely invisible, while functional to the user, which is demonstrated on my homepage.
So this thread just pertains to standalone links, where one would usually use "nofollow".
Who knows, how the various search engines treat "nofollow" links?
At the end of the day, these are trade secrets and their right to treat them, as they like. It is a known issue, that different search engines treat "nofollow" differently, which puts its user completely at their mercy.
In the case of Google, since 2009, it leads to PageRank evaporation.
I'm not aware of a rectification so far...
It seems, I'm overworried about "SEO hackery". Of course, just looking for more added value of my existing tool. (The primary aim of my tool is not SEO: see http://4nf.org/aim/)
Does this "SEO hackery" lead to penalties whatsoever?
A clear "no", as you can measure by the two sites: