| Used Operating Systems |
| 1 | 18940 | 28.85 | 263 | 2.65 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15227 | 23.20 | 671 | 6.77 | +http://www.semrush.com/bot.html |
| 3 | 7861 | 11.98 | 2483 | 25.06 | Windows NT |
| 4 | 7066 | 10.76 | 3107 | 31.35 | +http://ahrefs.com/robot/ |
| 5 | 3730 | 5.68 | 325 | 3.28 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 3694 | 5.63 | 262 | 2.64 | +http://yandex.com/bots |
| 7 | 2463 | 3.75 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 1711 | 2.61 | 1621 | 16.36 | +http://www.baidu.com/search/spider.html |
| 9 | 1149 | 1.75 | 275 | 2.77 | +http://www.bing.com/bingbot.htm |
| 10 | 1021 | 1.56 | 354 | 3.57 | +http://www.google.com/bot.html |
| 11 | 545 | 0.83 | 39 | 0.39 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 532 | 0.81 | 6 | 0.06 | +http://www.warebay.com/bot.html |
| 13 | 516 | 0.79 | 1 | 0.01 | +http://megaindex.com/crawler |
| 14 | 279 | 0.43 | 70 | 0.71 | +http://www.linkdex.com/bots/ |
| 15 | 142 | 0.22 | 78 | 0.79 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 114 | 0.17 | 76 | 0.77 | Windows 95 |
| 17 | 95 | 0.14 | 38 | 0.38 | Windows XP |
| 18 | 74 | 0.11 | 30 | 0.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 61 | 0.09 | 39 | 0.39 | Windows 98 |
| 20 | 57 | 0.09 | 27 | 0.27 | +http://www.xovibot.net/ |
| 21 | 42 | 0.06 | 22 | 0.22 | Windows 2000 |
| 22 | 32 | 0.05 | 4 | 0.04 | +http://www.seokicks.de/robot.html |
| 23 | 27 | 0.04 | 19 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 24 | 26 | 0.04 | 3 | 0.03 | X11 |
| 25 | 24 | 0.04 | 13 | 0.13 | Windows CE |
| 26 | 24 | 0.04 | 3 | 0.03 | +http://webmeup-crawler.com/ |
| 27 | 16 | 0.02 | 2 | 0.02 | +http://siteexplorer.info/ |
| 28 | 13 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 29 | 12 | 0.02 | 2 | 0.02 | Macintosh PPC |
| 30 | 12 | 0.02 | 10 | 0.10 | Auto; Windows |
| 31 | 11 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 32 | 11 | 0.02 | 7 | 0.07 | http://yooz.ir; info@yooz.ir |
| 33 | 11 | 0.02 | 7 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 34 | 11 | 0.02 | 6 | 0.06 | +http://www.exabot.com/go/robot |
| 35 | 10 | 0.02 | 7 | 0.07 | Windows 3.1 |
| 36 | 10 | 0.02 | 2 | 0.02 | PPC Mac OS X 10.5 |
| 37 | 9 | 0.01 | 9 | 0.09 | Windows ME |
| 38 | 9 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 39 | 9 | 0.01 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 40 | 9 | 0.01 | 9 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 41 | 8 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 42 | 6 | 0.01 | 3 | 0.03 | +http://duckduckgo.com |
| 43 | 5 | 0.01 | 4 | 0.04 | +http://www.uptime.com/uptimebot |
| 44 | 2 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 45 | 2 | 0.00 | 0 | 0.00 | Windows 92 |
| 46 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 2 | 0.00 | 2 | 0.02 | +http://www.linkpad.ru |
| 48 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 49 | 2 | 0.00 | 2 | 0.02 | Macintosh |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://sur.ly/bot.html |
| 51 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 52 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
