| Used Operating Systems |
| 1 | 29663 | 53.77 | 537 | 7.43 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12223 | 22.16 | 782 | 10.82 | Windows NT |
| 3 | 6816 | 12.35 | 3790 | 52.43 | +http://ahrefs.com/robot/ |
| 4 | 2549 | 4.62 | 1474 | 20.39 | +http://www.baidu.com/search/spider.html |
| 5 | 1162 | 2.11 | 8 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 6 | 504 | 0.91 | 229 | 3.17 | +http://www.google.com/bot.html |
| 7 | 362 | 0.66 | 86 | 1.19 | +http://yandex.com/bots |
| 8 | 284 | 0.51 | 85 | 1.18 | +http://www.linkdex.com/bots/ |
| 9 | 258 | 0.47 | 82 | 1.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 249 | 0.45 | 5 | 0.07 | +http://webmeup-crawler.com/ |
| 11 | 246 | 0.45 | 40 | 0.55 | +http://www.semrush.com/bot.html |
| 12 | 171 | 0.31 | 9 | 0.12 | Windows 95 |
| 13 | 156 | 0.28 | 25 | 0.35 | +http://www.bing.com/bingbot.htm |
| 14 | 95 | 0.17 | 5 | 0.07 | Windows 98 |
| 15 | 68 | 0.12 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 16 | 61 | 0.11 | 21 | 0.29 | +http://www.exabot.com/go/robot |
| 17 | 57 | 0.10 | 6 | 0.08 | Windows XP |
| 18 | 51 | 0.09 | 3 | 0.04 | Windows 2000 |
| 19 | 46 | 0.08 | 3 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 20 | 34 | 0.06 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 21 | 28 | 0.05 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 22 | 27 | 0.05 | 24 | 0.33 | +http://www.uptime.com/uptimebot |
| 23 | 20 | 0.04 | 2 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 24 | 16 | 0.03 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 25 | 4 | 0.01 | 0 | 0.00 | Windows 9x |
| 26 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 3 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 28 | 3 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 29 | 2 | 0.00 | 0 | 0.00 | Android 2.3.3 |
| 30 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 2 | 0.00 | 2 | 0.03 | Linux [unknown version] |
| 32 | 2 | 0.00 | 0 | 0.00 | X11 |
| 33 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
