You can't limit your search to people who are online, but you can organize your search results so that you see all online Yahoo!7 Dating users at the top of the page. People who are not online at the time of your search appear lower down in your results.

To sort your search results to show online users first:

1. Do a search.
2. On the search results page, click "Online" next to "Sort By" (at the top of the results list).
3. All people that match your search criteria and who are presently online appear at the top of your results page.