In technical circles, "onion links" refer to websites hosted on the (The Onion Router) that end in the .onion suffix.
Below is an essay discussing the role of such directories within the anonymous web ecosystem. The Role of Link Directories in the Dark Web Ecosystem topic links 20 onion exclusive
used for cybersecurity research, ethical data acquisition, and anonymous browsing. ResearchGate Understanding "Onion" Links Onion services use the special In technical circles, "onion links" refer to websites