| Used Operating Systems by Visits |
| 1 | 14634 | 12.67 | 9560 | 56.35 | +http://ahrefs.com/robot/ |
| 2 | 7048 | 6.10 | 4000 | 23.58 | +http://www.baidu.com/search/spider.html |
| 3 | 8249 | 7.14 | 1082 | 6.38 | Windows NT |
| 4 | 8186 | 7.09 | 452 | 2.66 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 68861 | 59.60 | 419 | 2.47 | http://mj12bot.com/ |
| 6 | 1966 | 1.70 | 371 | 2.19 | +http://www.linkdex.com/bots/ |
| 7 | 1091 | 0.94 | 252 | 1.49 | +http://www.bing.com/bingbot.htm |
| 8 | 812 | 0.70 | 203 | 1.20 | +http://www.google.com/bot.html |
| 9 | 1479 | 1.28 | 188 | 1.11 | +http://yandex.com/bots |
| 10 | 243 | 0.21 | 74 | 0.44 | +http://www.semrush.com/bot.html |
| 11 | 294 | 0.25 | 69 | 0.41 | +http://siteexplorer.info/Backlink-Check... |
| 12 | 77 | 0.07 | 60 | 0.35 | Windows 95 |
| 13 | 230 | 0.20 | 39 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 75 | 0.06 | 37 | 0.22 | Windows 98 |
| 15 | 25 | 0.02 | 24 | 0.14 | Windows 2000 |
| 16 | 18 | 0.02 | 17 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 17 | 19 | 0.02 | 15 | 0.09 | Windows ME |
| 18 | 14 | 0.01 | 14 | 0.08 | Auto; Windows |
| 19 | 13 | 0.01 | 13 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 20 | 26 | 0.02 | 12 | 0.07 | +http://www.uptime.com/uptimebot |
| 21 | 12 | 0.01 | 11 | 0.06 | Windows 3.1 |
| 22 | 7 | 0.01 | 7 | 0.04 | Windows CE |
| 23 | 7 | 0.01 | 7 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 24 | 1698 | 1.47 | 5 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 25 | 9 | 0.01 | 5 | 0.03 | Windows XP |
| 26 | 8 | 0.01 | 4 | 0.02 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 27 | 8 | 0.01 | 4 | 0.02 | +http://sur.ly/bot.html |
| 28 | 36 | 0.03 | 4 | 0.02 | +http://www.seokicks.de/robot.html |
| 29 | 96 | 0.08 | 3 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 8 | 0.01 | 3 | 0.02 | +http://www.exabot.com/go/robot |
| 31 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 32 | 4 | 0.00 | 2 | 0.01 | Linux 2.4.x |
| 33 | 4 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 34 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 35 | 4 | 0.00 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 36 | 18 | 0.02 | 2 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 37 | 6 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 38 | 49 | 0.04 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 39 | 16 | 0.01 | 0 | 0.00 | +https://deusu.de/robot.html |
| 40 | 20 | 0.02 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 41 | 10 | 0.01 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 42 | 12 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 44 | 8 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 1 | 0.00 | 0 | 0.00 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 46 | 28 | 0.02 | 0 | 0.00 | +centurybot9@gmail.com |
| 47 | 66 | 0.06 | 0 | 0.00 | +http://www.profound.net/domainappender |
| 48 | 30 | 0.03 | 0 | 0.00 | +http://www.findxbot.com |
| 49 | 2 | 0.00 | 0 | 0.00 | Amiga-AWeb |
| 50 | 2 | 0.00 | 0 | 0.00 | IRIX 5.3 IP22 |
