223513 2021-03-19 07:42:02 -0700 chromestatus.com very slow to load 2021-03-26 08:47:07 -0700 1 1 1 Unclassified WebKit Layout and Rendering WebKit Nightly Build Unspecified Unspecified NEW https://www.chromestatus.com/features InRadar P2 Normal --- 1 gsnedders webkit-unassigned ap bfulgham koivisto simon.fraser webkit-bug-importer zalan oldest_to_newest 1741696 0 gsnedders 2021-03-19 07:42:02 -0700 Locally, with r274641, we end up with three frames >1s, with 15.69s spent in layout between them. This is massively worse than page load in Chrome or Firefox. 1742491 1 ap 2021-03-22 14:58:09 -0700 I cannot reproduce us being massively slower with a recent macOS beta. It's clearly slower than Chrome, but only by ~1 second until the page is fully rendered. 1744163 2 webkit-bug-importer 2021-03-26 07:42:13 -0700 <rdar://problem/75885779> 1744189 3 gsnedders 2021-03-26 08:47:07 -0700 (In reply to Alexey Proskuryakov from comment #1) > I cannot reproduce us being massively slower with a recent macOS beta. It's > clearly slower than Chrome, but only by ~1 second until the page is fully > rendered. Caused by a content blocker extension, seemingly. Followed up on Radar until we decide whether it's a WebKit or a Safari issue.