player.siriusxm.com Click 'watch and listen now' Play an Artist Radio Station for 30 min On Safari 12 memory in player.siriusxm.com process will be 1.1 GB or less. On Safari 13 memory in player.siriusxm.com process can be 2 GB or more and 'This website is using significant memory' banner is displayed. Resetting safari caches does not seem to solve the issue. Thanks
<rdar://problem/56772102>
Whoops, I forgot this had an open bug... I think this should be fixed with: https://trac.webkit.org/changeset/252389 *** This bug has been marked as a duplicate of bug 204087 ***
Thanks for the report!