| Used Operating Systems |
| 1 | 21513 | 73.49 | 177 | 7.59 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3906 | 13.34 | 1522 | 65.29 | +http://www.baidu.com/search/spider.html |
| 3 | 1010 | 3.45 | 8 | 0.34 | +http://www.warebay.com/bot.html |
| 4 | 972 | 3.32 | 259 | 11.11 | +http://www.google.com/bot.html |
| 5 | 462 | 1.58 | 69 | 2.96 | Windows NT |
| 6 | 337 | 1.15 | 89 | 3.82 | +http://www.linkdex.com/bots/ |
| 7 | 311 | 1.06 | 9 | 0.39 | +http://www.bing.com/bingbot.htm |
| 8 | 254 | 0.87 | 104 | 4.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 198 | 0.68 | 41 | 1.76 | +http://yandex.com/bots |
| 10 | 130 | 0.44 | 42 | 1.80 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 103 | 0.35 | 0 | 0.00 | Crawler; +http://www.google.com/bot.html |
| 12 | 46 | 0.16 | 9 | 0.39 | +http://www.exabot.com/go/robot |
| 13 | 7 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 14 | 7 | 0.02 | 0 | 0.00 | +info@netcraft.com |
| 15 | 6 | 0.02 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 4 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 2 | 0.01 | 0 | 0.00 | +http://megaindex.com/crawler |
| 18 | 2 | 0.01 | 0 | 0.00 | Windows 98 |
| 19 | 1 | 0.00 | 1 | 0.04 | Windows XP |
| 20 | 1 | 0.00 | 1 | 0.04 | Linux [unknown version] |
| 21 | 1 | 0.00 | 0 | 0.00 | +http://duckduckgo.com |
| 22 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 23 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
