| Used Operating Systems |
| 1 | 943 | 28.26 | 630 | 39.72 | +http://www.baidu.com/search/spider.html |
| 2 | 521 | 15.61 | 228 | 14.38 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 3 | 496 | 14.86 | 26 | 1.64 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 358 | 10.73 | 132 | 8.32 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 285 | 8.54 | 208 | 13.11 | +http://www.easou.com/search/spider.html |
| 6 | 180 | 5.39 | 79 | 4.98 | +http://www.bing.com/bingbot.htm |
| 7 | 163 | 4.88 | 70 | 4.41 | +http://www.google.com/bot.html |
| 8 | 95 | 2.85 | 47 | 2.96 | Windows NT |
| 9 | 94 | 2.82 | 50 | 3.15 | +http://www.semrush.com/bot.html |
| 10 | 72 | 2.16 | 65 | 4.10 | +http://ahrefs.com/robot/ |
| 11 | 58 | 1.74 | 18 | 1.13 | +http://yandex.com/bots |
| 12 | 17 | 0.51 | 7 | 0.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 14 | 0.42 | 7 | 0.44 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 8 | 0.24 | 3 | 0.19 | +http://OpenLinkProfiler.org/bot |
| 15 | 8 | 0.24 | 5 | 0.32 | Windows 98 |
| 16 | 8 | 0.24 | 4 | 0.25 | +http://siteexplorer.info/ |
| 17 | 7 | 0.21 | 1 | 0.06 | Series 60 |
| 18 | 6 | 0.18 | 3 | 0.19 | +http://www.seokicks.de/robot.html |
| 19 | 2 | 0.06 | 2 | 0.13 | +info@netcraft.com |
| 20 | 2 | 0.06 | 1 | 0.06 | support.voilabot@orange.com |