| Used Operating Systems |
| 1 | 21924 | 27.62 | 190 | 1.07 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12213 | 15.39 | 8345 | 47.11 | +http://ahrefs.com/robot/ |
| 3 | 10118 | 12.75 | 25 | 0.14 | +http://www.warebay.com/bot.html |
| 4 | 9813 | 12.36 | 1791 | 10.11 | Windows NT |
| 5 | 7176 | 9.04 | 5405 | 30.51 | +http://www.baidu.com/search/spider.html |
| 6 | 6868 | 8.65 | 2 | 0.01 | +http://megaindex.com/crawler |
| 7 | 3017 | 3.80 | 555 | 3.13 | +http://yandex.com/bots |
| 8 | 3004 | 3.79 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 1324 | 1.67 | 485 | 2.74 | +http://www.google.com/bot.html |
| 10 | 1003 | 1.26 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 11 | 872 | 1.10 | 208 | 1.17 | +http://www.bing.com/bingbot.htm |
| 12 | 705 | 0.89 | 204 | 1.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 420 | 0.53 | 86 | 0.49 | +http://www.exabot.com/go/robot |
| 14 | 235 | 0.30 | 44 | 0.25 | +http://www.linkdex.com/bots/ |
| 15 | 169 | 0.21 | 139 | 0.78 | +http://www.xovibot.net/ |
| 16 | 130 | 0.16 | 48 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 63 | 0.08 | 29 | 0.16 | Windows 95 |
| 18 | 54 | 0.07 | 44 | 0.25 | +http://www.uptime.com/uptimebot |
| 19 | 38 | 0.05 | 14 | 0.08 | Windows 98 |
| 20 | 32 | 0.04 | 3 | 0.02 | +http://sur.ly/bot.html |
| 21 | 17 | 0.02 | 8 | 0.05 | Windows 2000 |
| 22 | 15 | 0.02 | 9 | 0.05 | Windows ME |
| 23 | 14 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 24 | 14 | 0.02 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 25 | 13 | 0.02 | 8 | 0.05 | Windows XP |
| 26 | 13 | 0.02 | 4 | 0.02 | X11 |
| 27 | 12 | 0.02 | 12 | 0.07 | apps-spreadsheets; +http://docs.google.c... |
| 28 | 11 | 0.01 | 1 | 0.01 | +http://www.linkpad.ru |
| 29 | 11 | 0.01 | 8 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 30 | 11 | 0.01 | 10 | 0.06 | +info@netcraft.com |
| 31 | 10 | 0.01 | 7 | 0.04 | Windows 3.1 |
| 32 | 9 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 33 | 6 | 0.01 | 6 | 0.03 | Windows CE |
| 34 | 6 | 0.01 | 6 | 0.03 | Auto; Windows |
| 35 | 6 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 36 | 4 | 0.01 | 1 | 0.01 | +http://www.privacyaware.org |
| 37 | 4 | 0.01 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 38 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 39 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 42 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 43 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
