a,c,b,e,d,trace,pixels_rasterized (pixels),pixels_recorded (pixels),record_time (ms),"e,heading",page_name,"a,heading",y,x,z,rasterize_time (ms)
a5.1,,b5.1,e5.1,,,,,,,,,,,z5.1,
a5.2,,b5.2,e5.2,,,,,,,,,,,z5.2,
a5.3,,b5.3,e5.3,,,,,,,,,,,z5.3,
a5.4,,b5.4,e5.4,,,,,,,,,,,z5.4,
,,b5.1,,,,,,,a5.1,,e5.1,,,z5.1,
,,b5.2,,,,,,,a5.2,,e5.2,,,z5.2,
,,b5.3,,,,,,,a5.3,,e5.3,,,z5.3,
,,b5.4,,,,,,,a5.4,,e5.4,,,z5.4,
a2,c2,,e2,d2,,,,,,,,,,,
,,,,d5,,,,,,,,y5,x5,,
,,,,,,,,,,,,y4.1,x4.1,z4.1,
,,,,,,,,,,,,y4.2,x4.2,z4.2,
,,,,,,,,,,,,y4.3,x4.3,z4.3,
a1.1,c1.1,b1.1,,,,,,,,,,,,,
a1.2,c1.2,b1.2,,,,,,,,,,,,,
,,,,,,1.0,1.0,,,http://www.google.com,,,,,1.0
,,,,,,1.0,,,,http://www.gmail.com,,,,,1.0
,,,,,,1310720.0,1172655.0,0.738,,http://www.facebook.com/,,,,,2.359