It looks like Firefox has been doing it since 2010[1]. I wonder how long Chrome has been doing it, since launch, 2008? Here's a Chrome bug discussing it[2]. [1

It looks like Firefox has been doing it since 2010[1]. I wonder how long Chrome has been doing it, since launch, 2008? Here's a Chrome bug discussing it[2]. [1] https://web.archive.org/web/20151229082536/http://blog.bonardo.net/2010/01/20/places-got-async-expiration https://web.archive.org/web/20151229082536/http://blog.bonar... [2] https://bugs.chromium.org/p/chromium/issues/detail?id=500239 https://bugs.chromium.org/p/chromium/issues/detail?id=500239