| Used Operating Systems |
| 1 | 26091 | 66.18 | 442 | 7.44 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4310 | 10.93 | 3037 | 51.12 | +http://www.baidu.com/search/spider.html |
| 3 | 2750 | 6.98 | 562 | 9.46 | Windows NT |
| 4 | 1237 | 3.14 | 431 | 7.25 | +http://www.bing.com/bingbot.htm |
| 5 | 1182 | 3.00 | 304 | 5.12 | +http://www.google.com/bot.html |
| 6 | 908 | 2.30 | 240 | 4.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 485 | 1.23 | 58 | 0.98 | +http://fulltext.sblog.cz/ |
| 8 | 401 | 1.02 | 104 | 1.75 | +http://www.linkdex.com/bots/ |
| 9 | 369 | 0.94 | 141 | 2.37 | +http://yandex.com/bots |
| 10 | 223 | 0.57 | 80 | 1.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 205 | 0.52 | 5 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 12 | 188 | 0.48 | 149 | 2.51 | +http://www.xovibot.net/ |
| 13 | 163 | 0.41 | 107 | 1.80 | +http://ahrefs.com/robot/ |
| 14 | 118 | 0.30 | 16 | 0.27 | +http://corp.sputnik.ru/webmaster |
| 15 | 104 | 0.26 | 36 | 0.61 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 87 | 0.22 | 67 | 1.13 | +http://www.uptime.com/uptimebot |
| 17 | 73 | 0.19 | 32 | 0.54 | Windows XP |
| 18 | 64 | 0.16 | 2 | 0.03 | +https://www.aihitdata.com/about |
| 19 | 61 | 0.15 | 35 | 0.59 | Windows 95 |
| 20 | 50 | 0.13 | 27 | 0.45 | http://www.bing.com/bingbot.htm |
| 21 | 50 | 0.13 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 22 | 48 | 0.12 | 2 | 0.03 | +http://www.linkpad.ru |
| 23 | 48 | 0.12 | 2 | 0.03 | +http://megaindex.com/crawler |
| 24 | 32 | 0.08 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 25 | 28 | 0.07 | 4 | 0.07 | http://filterdb.iss.net/crawler/ |
| 26 | 25 | 0.06 | 6 | 0.10 | Windows 98 |
| 27 | 24 | 0.06 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 28 | 16 | 0.04 | 6 | 0.10 | Auto; Windows |
| 29 | 16 | 0.04 | 6 | 0.10 | Windows 3.1 |
| 30 | 11 | 0.03 | 5 | 0.08 | +http://www.exabot.com/go/robot |
| 31 | 8 | 0.02 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 32 | 7 | 0.02 | 3 | 0.05 | Windows CE |
| 33 | 6 | 0.02 | 2 | 0.03 | +http://www.privacyaware.org |
| 34 | 6 | 0.02 | 4 | 0.07 | +info@netcraft.com |
| 35 | 4 | 0.01 | 2 | 0.03 | +https://www.mojeek.com/bot.html |
| 36 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 37 | 4 | 0.01 | 2 | 0.03 | +http://duckduckgo.com |
| 38 | 3 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 2 | 0.01 | 2 | 0.03 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 40 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 41 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 42 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 44 | 2 | 0.01 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 46 | 1 | 0.00 | 1 | 0.02 | Windows ME |
