How about website suggestion based on something such as tags?
100593
Inform users of certain tags on the existence of a new SE-2.0 site and offer to automatically post the question there instead
85389
Where can I ask questions for website recommendations?
104820
Automatically filter the Close Votes review queue to active tags for newbies
91742
How much reputation do I need to suggest a tag?
6219
Please allow tag filtering on the new review pages
28632
List of Favorites Tags Questions
4953
Search [tag1] OR [tag2]
107498
Answering tag questions
103211
Vote for Tag Synonyms Directly on the Page
20289
Working with template suggestions on Drupal 8
128175
Could the favourites mechanism be extended to include comments?
112220
Paper Suggestion/Recommendation Tools
40514
Tagging best practices
29822
"Root" tags to organize larger sites with multiple categories
110284
Is it possible to make up HTML Tags?
118095
Let any site onebox with  tags
117963
Select and Display 'Suggested Tags' for All Posts Based on Related Questions (or other logic)