| Used Operating Systems |
| 1 | 29990 | 35.84 | 170 | 0.89 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16700 | 19.96 | 14547 | 75.78 | +http://ahrefs.com/robot/ |
| 3 | 12164 | 14.54 | 548 | 2.85 | +http://yandex.com/bots |
| 4 | 10047 | 12.01 | 56 | 0.29 | http://mj12bot.com/ |
| 5 | 3436 | 4.11 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 2997 | 3.58 | 293 | 1.53 | Windows NT |
| 7 | 2363 | 2.82 | 2207 | 11.50 | +http://www.baidu.com/search/spider.html |
| 8 | 2217 | 2.65 | 927 | 4.83 | +http://www.google.com/bot.html |
| 9 | 2004 | 2.39 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 654 | 0.78 | 201 | 1.05 | +http://www.bing.com/bingbot.htm |
| 11 | 316 | 0.38 | 2 | 0.01 | +http://siteexplorer.info/ |
| 12 | 299 | 0.36 | 62 | 0.32 | +http://www.linkdex.com/bots/ |
| 13 | 284 | 0.34 | 85 | 0.44 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 27 | 0.03 | 10 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 27 | 0.03 | 10 | 0.05 | Windows XP |
| 16 | 26 | 0.03 | 12 | 0.06 | +http://duckduckgo.com |
| 17 | 19 | 0.02 | 12 | 0.06 | Windows 95 |
| 18 | 18 | 0.02 | 18 | 0.09 | +http://www.xovibot.net/ |
| 19 | 14 | 0.02 | 1 | 0.01 | +http://www.linkpad.ru |
| 20 | 14 | 0.02 | 7 | 0.04 | +http://www.exabot.com/go/robot |
| 21 | 13 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 22 | 9 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 23 | 8 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 24 | 8 | 0.01 | 4 | 0.02 | +http://www.uptime.com/uptimebot |
| 25 | 6 | 0.01 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 26 | 5 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 27 | 5 | 0.01 | 4 | 0.02 | Windows 98 |
| 28 | 4 | 0.00 | 2 | 0.01 | Windows CE |
| 29 | 4 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 30 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 31 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
