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about:memory usage new tab ( 2 tabs open)
Privileged Content (pid 82944)
Explicit Allocations
68.14 MB (100.0%) -- explicit
├──21.33 MB (31.29%) -- window-objects
│ ├───6.50 MB (09.53%) -- top(about:newtab, id=2147483658)
│ │ ├──4.60 MB (06.76%) -- active/window(about:newtab)
│ │ │ ├──2.20 MB (03.23%) -- js-realm(about:newtab)
│ │ │ │ ├──1.58 MB (02.32%) -- classes
│ │ │ │ │ ├──0.85 MB (01.25%) ++ (5 tiny)
│ │ │ │ │ └──0.73 MB (01.07%) ++ class(Object)/objects
│ │ │ │ └──0.61 MB (00.90%) ++ (5 tiny)
│ │ │ ├──2.18 MB (03.20%) ++ layout
│ │ │ └──0.23 MB (00.33%) ++ (3 tiny)
│ │ └──1.89 MB (02.78%) ++ js-zone(0x11e8f1000)
│ ├───6.25 MB (09.18%) -- top(about:home, id=2147483649)
│ │ ├──4.40 MB (06.46%) -- active/window(about:home)
│ │ │ ├──2.23 MB (03.27%) -- js-realm(about:home)
│ │ │ │ ├──1.60 MB (02.35%) -- classes
│ │ │ │ │ ├──0.85 MB (01.24%) ++ (5 tiny)
│ │ │ │ │ └──0.76 MB (01.11%) ++ class(Object)/objects
│ │ │ │ └──0.62 MB (00.91%) ++ (5 tiny)
│ │ │ ├──1.96 MB (02.88%) ++ layout
│ │ │ └──0.22 MB (00.32%) ++ (3 tiny)
│ │ └──1.85 MB (02.71%) ++ js-zone(0x105039000)
│ ├───6.14 MB (09.01%) -- top(about:newtab, id=2147483666)
│ │ ├──4.32 MB (06.34%) -- active/window(about:newtab)
│ │ │ ├──2.07 MB (03.03%) -- js-realm(about:newtab)
│ │ │ │ ├──1.50 MB (02.20%) ++ classes
│ │ │ │ └──0.57 MB (00.83%) ++ (5 tiny)
│ │ │ ├──2.03 MB (02.98%) -- layout
│ │ │ │ ├──1.34 MB (01.97%) ++ (11 tiny)
│ │ │ │ └──0.69 MB (01.02%) ── style-sheets
│ │ │ └──0.22 MB (00.32%) ++ (3 tiny)
│ │ └──1.82 MB (02.67%) ++ js-zone(0x1040ae000)
│ └───2.44 MB (03.58%) -- top(none)/detached/window([system])
│ ├──2.29 MB (03.37%) -- js-realm(about:newtab)
│ │ ├──1.67 MB (02.45%) -- classes
│ │ │ ├──0.87 MB (01.28%) ++ (5 tiny)
│ │ │ └──0.80 MB (01.18%) ++ class(Object)/objects
│ │ └──0.62 MB (00.91%) ++ (5 tiny)
│ └──0.15 MB (00.21%) ++ dom
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