| page_set,stories,name,avg,unit,run_index,pct_001 | |
| alexa1_1,http://www.facebook.com/,pixels_recorded,,pixels,0, | |
| alexa1_1,http://www.facebook.com/,rasterize_time,,ms,0, | |
| alexa1_1,http://www.facebook.com/,record_time,,ms,0, | |
| alexa1_1,http://www.facebook.com/,pixels_rasterized,1310720,pixels,0, |