Why? What moral or legal principle entitles someone to compensation for linking to their website whether or not you're profiting from that?
It's a different question when there's an excerpt or machine-generated summary. In that case, copyright applies, and in most jurisdictions it may or may not be fair use depending on what is copied and how it is presented.
It's a different question when there's an excerpt or machine-generated summary. In that case, copyright applies, and in most jurisdictions it may or may not be fair use depending on what is copied and how it is presented.