| Versions | Pages | Percent | Hits | Percent | ||
|---|---|---|---|---|---|---|
| Macintosh | 13 | 2.7 % | 63 | 3.1 % | ||
 | OS X 10.9 Mavericks | 3 | 0.6 % | 8 | 0.4 % |   |
 | Mac OS X 10.7 Lion | 0 | 0 % | 2 | 0.1 % | |
 | Mac OS X 10.6 Snow Leopard | 3 | 0.6 % | 5 | 0.2 % | |
 | macOS 10.12 Sierra | 2 | 0.4 % | 23 | 1.1 % | |
 | OS X 10.11 El Capitan | 1 | 0.2 % | 10 | 0.5 % | |
 | OS X 10.10 Yosemite | 4 | 0.8 % | 15 | 0.7 % | |
| Windows | 373 | 78.1 % | 1,154 | 58.4 % | ||
 | Windows XP | 63 | 13.2 % | 88 | 4.4 % | |
 | Windows NT | 3 | 0.6 % | 3 | 0.1 % | |
 | Windows Vista (LongHorn) | 25 | 5.2 % | 90 | 4.5 % | |
 | Windows 8.1 | 8 | 1.6 % | 43 | 2.1 % | |
 | Windows 8 | 3 | 0.6 % | 10 | 0.5 % | |
 | Windows 7 | 75 | 15.7 % | 381 | 19.3 % | |
 | Windows 2003 | 19 | 3.9 % | 21 | 1 % | |
 | Windows 2000 | 6 | 1.2 % | 6 | 0.3 % | |
 | Windows 10 | 171 | 35.8 % | 512 | 25.9 % | |
| Linux | 39 | 8.1 % | 43 | 2.1 % | ||
 | Ubuntu | 5 | 1 % | 5 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 34 | 7.1 % | 38 | 1.9 % | |
| iOS | 17 | 3.5 % | 303 | 15.3 % | ||
 | iOS (iPhone) | 17 | 3.5 % | 263 | 13.3 % | |
 | iOS (iPad) | 0 | 0 % | 40 | 2 % | |
| Android | 16 | 3.3 % | 373 | 18.8 % | ||
 | Google Android 7.x Nougat | 0 | 0 % | 11 | 0.5 % | |
 | Google Android 6.x Marshmallow | 4 | 0.8 % | 190 | 9.6 % | |
 | Google Android 5.x Lollipop | 8 | 1.6 % | 128 | 6.4 % | |
 | Google Android 4.4 KitKat | 2 | 0.4 % | 36 | 1.8 % | |
 | Google Android 4.1-4.3 Jelly Bean | 2 | 0.4 % | 7 | 0.3 % | |
 | Google Android 4.0 Ice Cream Sandwich | 0 | 0 % | 1 | 0 % | |
| Others | 19 | 3.9 % | 38 | 1.9 % | ||
 | Unknown Unix system | 11 | 2.3 % | 27 | 1.3 % | |
 | Unknown | 8 | 1.6 % | 11 | 0.5 % | |