Rendering engine	Browser	Platform(s)	Engine version	CSS grade
Trident	Internet Explorer 4.0	Win 95+	4	X
Trident	Internet Explorer 5.0	Win 95+	5	C
Trident	Internet Explorer 5.5	Win 95+	5.5	A
Trident	Internet Explorer 6	Win 98+	6	A
Trident	Internet Explorer 7	Win XP SP2+	7	A
Trident	AOL browser (AOL desktop)	Win XP	6	A
Gecko	Firefox 1.0	Win 98+ / OSX.2+	1.7	A
Gecko	Firefox 1.5	Win 98+ / OSX.2+	1.8	A
Gecko	Firefox 2.0	Win 98+ / OSX.2+	1.8	A
Gecko	Firefox 3.0	Win 2k+ / OSX.3+	1.9	A
Gecko	Mozilla 1.5	Win 95+ / OSX.1+	1.5	A
Gecko	Mozilla 1.6	Win 95+ / OSX.1+	1.6	A
Gecko	Mozilla 1.7	Win 98+ / OSX.1+	1.7	A
Gecko	Mozilla 1.8	Win 98+ / OSX.1+	1.8	A
Gecko	Seamonkey 1.1	Win 98+ / OSX.2+	1.8	A
Gecko	Epiphany 2.20	Gnome	1.8	A
Webkit	Safari 1.2	OSX.3	125.5	A
Webkit	Safari 1.3	OSX.3	312.8	A
Webkit	Safari 2.0	OSX.4+	419.3	A
Webkit	Safari 3.0	OSX.4+	522.1	A
Webkit	OmniWeb 5.5	OSX.4+	420	A
Webkit	iPod Touch / iPhone	iPod	420.1	A
Webkit	S60	S60	413	A
Presto	Opera 7.0	Win 95+ / OSX.1+	-	A
Presto	Opera 7.5	Win 95+ / OSX.2+	-	A
Presto	Opera 8.0	Win 95+ / OSX.2+	-	A
Presto	Opera 8.5	Win 95+ / OSX.2+	-	A
Presto	Opera 9.0	Win 95+ / OSX.3+	-	A
Presto	Opera 9.2	Win 88+ / OSX.3+	-	A
Presto	Opera 9.5	Win 88+ / OSX.3+	-	A
Presto	Opera for Wii	Wii	-	A
Presto	Nokia N800	N800	-	A
Presto	Nintendo DS browser	Nintendo DS	8.5	C/A1
KHTML	Konqureror 3.1	KDE 3.1	3.1	C
KHTML	Konqureror 3.3	KDE 3.3	3.3	A
KHTML	Konqureror 3.5	KDE 3.5	3.5	A
Tasman	Internet Explorer 4.5	Mac OS 8-9	-	X
Tasman	Internet Explorer 5.1	Mac OS 7.6-9	1	C
Rendering engine	Browser	Platform(s)	Engine version	CSS grade