| Versions | Pages | Percent | Hits | Percent | ||
|---|---|---|---|---|---|---|
| Windows | 366 | 34 % | 473 | 35.8 % | ||
 | Windows XP | 3 | 0.2 % | 8 | 0.6 % |   |
 | Windows NT | 2 | 0.1 % | 2 | 0.1 % | |
 | Windows Vista (LongHorn) | 2 | 0.1 % | 7 | 0.5 % | |
 | Windows 8.1 | 13 | 1.2 % | 21 | 1.5 % | |
 | Windows 8 | 7 | 0.6 % | 15 | 1.1 % | |
 | Windows 7 | 44 | 4 % | 89 | 6.7 % | |
 | Windows 10 | 295 | 27.4 % | 331 | 25 % | |
| Linux | 64 | 5.9 % | 86 | 6.5 % | ||
 | Ubuntu | 6 | 0.5 % | 13 | 0.9 % | |
 | GNU Linux (Unknown or unspecified distribution) | 58 | 5.4 % | 73 | 5.5 % | |
| Macintosh | 219 | 20.3 % | 281 | 21.3 % | ||
 | OS X 10.9 Mavericks | 13 | 1.2 % | 25 | 1.8 % | |
 | OS X 10.8 Mountain Lion | 8 | 0.7 % | 16 | 1.2 % | |
 | Mac OS X 10.7 Lion | 7 | 0.6 % | 14 | 1 % | |
 | Mac OS X 10.6 Snow Leopard | 5 | 0.4 % | 7 | 0.5 % | |
 | Mac OS X 10.5 Leopard | 1 | 0 % | 1 | 0 % | |
 | macOS 10.15 Catalina | 175 | 16.2 % | 208 | 15.7 % | |
 | macOS 10.14 Mojave | 1 | 0 % | 1 | 0 % | |
 | Mac OS X others | 9 | 0.8 % | 9 | 0.6 % | |
| BSD | 1 | 0 % | 1 | 0 % | ||
 | NetBSD | 1 | 0 % | 1 | 0 % | |
| iOS | 330 | 30.7 % | 359 | 27.2 % | ||
 | iOS (iPhone) | 330 | 30.7 % | 358 | 27.1 % | |
 | iOS (iPad) | 0 | 0 % | 1 | 0 % | |
| Android | 46 | 4.2 % | 55 | 4.1 % | ||
 | Google Android 9.x Pie | 1 | 0 % | 1 | 0 % | |
 | Google Android 8.x Oreo | 1 | 0 % | 2 | 0.1 % | |
 | Google Android 6.x Marshmallow | 1 | 0 % | 5 | 0.3 % | |
 | Google Android 5.x Lollipop | 1 | 0 % | 1 | 0 % | |
 | Google Android 10.x | 5 | 0.4 % | 7 | 0.5 % | |
 | Google Android Unknown | 37 | 3.4 % | 39 | 2.9 % | |
| Others | 48 | 4.4 % | 64 | 4.8 % | ||
 | Unknown | 47 | 4.3 % | 63 | 4.7 % | |
 | Unknown Unix system | 1 | 0 % | 1 | 0 % | |