| Used Operating Systems |
| 1 | 2523 | 44.31 | 18 | 1.54 | http://crawler.sistrix.net/ |
| 2 | 1321 | 23.20 | 560 | 47.95 | Windows NT |
| 3 | 686 | 12.05 | 145 | 12.41 | +http://ahrefs.com/robot/ |
| 4 | 337 | 5.92 | 278 | 23.80 | +http://www.baidu.com/search/spider.html |
| 5 | 181 | 3.18 | 34 | 2.91 | +http://yandex.com/bots |
| 6 | 152 | 2.67 | 30 | 2.57 | +http://www.google.com/bot.html |
| 7 | 138 | 2.42 | 18 | 1.54 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 103 | 1.81 | 24 | 2.05 | +http://www.bing.com/bingbot.htm |
| 9 | 76 | 1.33 | 12 | 1.03 | +http://www.exabot.com/go/robot |
| 10 | 66 | 1.16 | 8 | 0.68 | ezooms.bot@gmail.com |
| 11 | 32 | 0.56 | 10 | 0.86 | MirrorDetector; +http://yandex.com/bots |
| 12 | 20 | 0.35 | 7 | 0.60 | Windows 98 |
| 13 | 18 | 0.32 | 2 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 14 | 11 | 0.19 | 7 | 0.60 | Windows 95 |
| 15 | 8 | 0.14 | 4 | 0.34 | +http://snipebot.com/bot.html |
| 16 | 6 | 0.11 | 2 | 0.17 | Windows 3.1 |
| 17 | 6 | 0.11 | 4 | 0.34 | X11 |
| 18 | 4 | 0.07 | 2 | 0.17 | ) - BrowseX (2.0.0 Windows |
| 19 | 3 | 0.05 | 2 | 0.17 | +http://go.mail.ru/help/robots |
| 20 | 2 | 0.04 | 0 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 21 | 1 | 0.02 | 1 | 0.09 | MSIE 5.5; Windows NT 5.0 |
