| Used Operating Systems |
| 1 | 8692 | 38.41 | 118 | 6.90 | +http://ahrefs.com/robot/ |
| 2 | 5578 | 24.65 | 20 | 1.17 | http://crawler.sistrix.net/ |
| 3 | 2840 | 12.55 | 859 | 50.26 | Windows NT |
| 4 | 1950 | 8.62 | 388 | 22.70 | +http://www.baidu.com/search/spider.html |
| 5 | 1441 | 6.37 | 64 | 3.74 | +http://www.google.com/bot.html |
| 6 | 988 | 4.37 | 37 | 2.17 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 656 | 2.90 | 81 | 4.74 | +http://yandex.com/bots |
| 8 | 167 | 0.74 | 36 | 2.11 | +http://www.bing.com/bingbot.htm |
| 9 | 78 | 0.34 | 15 | 0.88 | MirrorDetector; +http://yandex.com/bots |
| 10 | 66 | 0.29 | 12 | 0.70 | ezooms.bot@gmail.com |
| 11 | 42 | 0.19 | 7 | 0.41 | +http://www.exabot.com/go/robot |
| 12 | 20 | 0.09 | 8 | 0.47 | Windows 98 |
| 13 | 19 | 0.08 | 18 | 1.05 | Windows 95 |
| 14 | 12 | 0.05 | 0 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 15 | 12 | 0.05 | 8 | 0.47 | +http://shoulu.jike.com/spider.html |
| 16 | 8 | 0.04 | 4 | 0.23 | +http://snipebot.com/bot.html |
| 17 | 8 | 0.04 | 2 | 0.12 | X11 |
| 18 | 6 | 0.03 | 2 | 0.12 | Macintosh PPC |
| 19 | 6 | 0.03 | 2 | 0.12 | +http://www.compspy.com/spider.html |
| 20 | 6 | 0.03 | 3 | 0.18 | Windows ME |
| 21 | 6 | 0.03 | 6 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 22 | 5 | 0.02 | 3 | 0.18 | +http://go.mail.ru/help/robots |
| 23 | 4 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 24 | 4 | 0.02 | 4 | 0.23 | Windows 3.1 |
| 25 | 4 | 0.02 | 2 | 0.12 | Android 2.3.5 |
| 26 | 3 | 0.01 | 3 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 27 | 2 | 0.01 | 2 | 0.12 | Windows 2000 |
| 28 | 2 | 0.01 | 2 | 0.12 | Auto; Windows |
| 29 | 2 | 0.01 | 2 | 0.12 | 68K; Trident/5.0 |
| 30 | 1 | 0.00 | 1 | 0.06 | Windows CE |
| 31 | 1 | 0.00 | 0 | 0.00 | +http://help.soso.com/webspider.htm |
