Last modified: 2014-04-22 17:01:49 UTC
The delay is 150ms if the data was cached, or 50ms + [API request time] if it is not. This is silly.
Change 127905 had a related patch set uploaded by Bartosz Dziewoński: Always wait at least 150ms before displaying the popup https://gerrit.wikimedia.org/r/127905
Change 127905 merged by jenkins-bot: Always wait at least 150ms before displaying the popup https://gerrit.wikimedia.org/r/127905