Knowledge · 20 questions
Links & nofollow knowledge
Compact answers around links, rel attributes and SEO – the questions every site owner meets sooner or later. Written by the makers of the JNofollow plugin, honestly and without sales prose.
Link attributes & basics
What does rel=“nofollow” actually do?
What are rel=“ugc” and rel=“sponsored” for?
What do noopener and noreferrer protect against?
Should external links open in a new tab?
Is there such a thing as a “dofollow” attribute?
SEO & link value
How do links pass value (“link juice”)?
Is nofollow a command or just a hint?
Do outgoing links hurt my rankings?
Should internal links ever be nofollow?
Paid links: what are the actual rules?
Practice
How do I secure links in comments and user content?
How do I check which rel values my links carry?
How do I handle link lists and directories?
How do I mark affiliate links correctly?
Guest posts and their links – what is clean?