Okay, the headline says 18, the URL says 17. I didn't count so buyer beward. 😋
Not surprisingly, a lot specialize in poetry and flash fiction, which take less time to read and make a decision on, hence the fast response times. Most seem to be more general, with only a few seeming to have a specific focus, at least from the descriptions in the article. I haven't started following links to see details yet.
» 18 Literary Journals with Fast Response Times (authorspublish.com)