| Used Operating Systems |
| 1 | 50926 | 36.89 | 634 | 4.62 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 50300 | 36.44 | 3 | 0.02 | +http://megaindex.com/crawler |
| 3 | 12726 | 9.22 | 8121 | 59.18 | +http://ahrefs.com/robot/ |
| 4 | 8048 | 5.83 | 1267 | 9.23 | Windows NT |
| 5 | 4482 | 3.25 | 2388 | 17.40 | +http://www.baidu.com/search/spider.html |
| 6 | 4281 | 3.10 | 203 | 1.48 | +http://www.bing.com/bingbot.htm |
| 7 | 1803 | 1.31 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 8 | 1032 | 0.75 | 214 | 1.56 | +http://www.linkdex.com/bots/ |
| 9 | 1003 | 0.73 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 10 | 662 | 0.48 | 164 | 1.20 | +http://yandex.com/bots |
| 11 | 649 | 0.47 | 106 | 0.77 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 384 | 0.28 | 114 | 0.83 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 360 | 0.26 | 151 | 1.10 | +http://www.google.com/bot.html |
| 14 | 296 | 0.21 | 27 | 0.20 | Windows 98 |
| 15 | 154 | 0.11 | 2 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 153 | 0.11 | 84 | 0.61 | Windows 95 |
| 17 | 105 | 0.08 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 18 | 78 | 0.06 | 2 | 0.01 | +http://glutenfreepleasure.com/ |
| 19 | 73 | 0.05 | 17 | 0.12 | Windows XP |
| 20 | 64 | 0.05 | 56 | 0.41 | +http://www.uptime.com/uptimebot |
| 21 | 63 | 0.05 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 22 | 61 | 0.04 | 23 | 0.17 | +http://www.exabot.com/go/robot |
| 23 | 36 | 0.03 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 24 | 28 | 0.02 | 19 | 0.14 | Windows CE |
| 25 | 28 | 0.02 | 6 | 0.04 | +http://help.coccoc.com/searchengine |
| 26 | 26 | 0.02 | 20 | 0.15 | Windows 3.1 |
| 27 | 26 | 0.02 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 28 | 23 | 0.02 | 19 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 29 | 20 | 0.01 | 17 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 30 | 16 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 31 | 15 | 0.01 | 8 | 0.06 | MSIE 6.0; Windows NT 5.1 |
| 32 | 14 | 0.01 | 4 | 0.03 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 33 | 14 | 0.01 | 8 | 0.06 | Windows ME |
| 34 | 14 | 0.01 | 11 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 35 | 9 | 0.01 | 9 | 0.07 | Auto; Windows |
| 36 | 8 | 0.01 | 4 | 0.03 | +http://help.coccoc.com/ |
| 37 | 7 | 0.01 | 7 | 0.05 | Windows 2000 |
| 38 | 7 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 39 | 6 | 0.00 | 0 | 0.00 | +https://deusu.de/robot.html |
| 40 | 6 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 4 | 0.00 | 2 | 0.01 | +http://sur.ly/bot.html |
| 42 | 4 | 0.00 | 2 | 0.01 | http://www.botje.com/plukkie.htm |
| 43 | 4 | 0.00 | 0 | 0.00 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 44 | 2 | 0.00 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 45 | 2 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 46 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 47 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 48 | 2 | 0.00 | 0 | 0.00 | X11 |
| 49 | 2 | 0.00 | 0 | 0.00 | Amiga-AWeb |
