Area Tested	Methodology for the Area
Folder Loading Speed	Time to load the summary file with 1,000 messages after launching the mail client (local folders). (When you save this, take the .txt extension off of the file.)
Thread Pane Scrolling Speed	Time to scroll 1,000 messages in real-time from top to bottom.
Message Display Speed	Display 5 10kb messages from a POP inbox.
Thread Pane Sorting	1,000 message folder, sort by subject, sort by sender, and then sort by date. (Initial sort of date was done to inititiate sort state. Not timed).
Message Reply Speed	Click Reply All to a 2kb HTML message sent to 5 recipients.
New Window Time	Click New Msg.
Batch Delete 5 Messages	Select 5 messages at once and Delete (local folder).
Mail Module Loading Time	Load only navigator, and then time how long it takes to load the default mail account from Tasks | Mail. (The 1,000 message folder using IMAP.)

Methodology for the Area	2002-06-18	Netscape 4.76	2002-04-09	2002-03-05	Netscape 6.2
Folder Loading Speed	1.21 (1.20 1.22 1.20)	1.63	1.21 (1.20 1.23 1.19)	1.18 (1.19 1.21 1.15)	2.16
Thread Pane Scrolling Speed	0.99 (1.00 0.99 0.97)	1.56	1.02 (1.05 1.01 0.99)	1.02 (1.02 1.03 1.00)	0.99
Message Display Speed	5.92 (5.94 5.90 5.92)	4.07	5.92 (5.90 5.95 5.91)	5.98 (5.94 5.99 6.00)	8.21
Thread Pane Sorting	sbj=0.72 sen=0.70 date=0.31	sbj=0.57 sen=0.48 date=0.32	sbj=0.71 sen=0.72 date=0.31	sbj0.75 sen=0.73 date=0.34	sbj=0.71 sen=0.69 date=0.33
Message Reply Speed	3.71 (3.71 3.72 3.70)	3.23	2.05 (2.05 2.03 2.07)	2.03 (1.98 2.13 1.97)	5.41
New Window Time	2.54 (2.52 2.60 2.51)	1.05	0.57 (0.58 0.58 0.56)	2.68 (3.42 2.32 2.29)	4.69
Batch Delete 5 Messages	1.23 (1.24 1.22 1.23)	0.55	1.21 (1.25 1.19 1.20)	0.00 (0.00 0.00 0.00)	1.62
Mail Module Loading Time	7.01 (7.01 6.98 7.05)	1.49 (2.80 2.11 2.03)	7.04 (6.98 7.05 7.09)	6.97 (6.84 7.01 7.05)	11.31

Table and results by Stephen Donner.