| Used Operating Systems |
| 1 | 31309 | 57.73 | 358 | 7.53 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7248 | 13.37 | 532 | 11.19 | +http://ahrefs.com/robot/ |
| 3 | 5007 | 9.23 | 5 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 4 | 2958 | 5.45 | 1961 | 41.24 | Windows NT |
| 5 | 2406 | 4.44 | 6 | 0.13 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 6 | 1398 | 2.58 | 363 | 7.63 | +http://yandex.com/bots |
| 7 | 802 | 1.48 | 398 | 8.37 | +http://www.google.com/bot.html |
| 8 | 801 | 1.48 | 2 | 0.04 | +http://megaindex.com/crawler |
| 9 | 710 | 1.31 | 544 | 11.44 | +http://www.baidu.com/search/spider.html |
| 10 | 513 | 0.95 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 11 | 315 | 0.58 | 218 | 4.58 | +http://www.bing.com/bingbot.htm |
| 12 | 195 | 0.36 | 68 | 1.43 | +http://www.linkdex.com/bots/ |
| 13 | 78 | 0.14 | 43 | 0.90 | Linux i686 [unknown version] |
| 14 | 68 | 0.13 | 60 | 1.26 | Windows 95 |
| 15 | 59 | 0.11 | 27 | 0.57 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 50 | 0.09 | 1 | 0.02 | +http://advbot.org/bot.html |
| 17 | 38 | 0.07 | 19 | 0.40 | +http://duckduckgo.com |
| 18 | 27 | 0.05 | 11 | 0.23 | Windows 98 |
| 19 | 25 | 0.05 | 13 | 0.27 | Linux [unknown version] |
| 20 | 24 | 0.04 | 12 | 0.25 | +http://www.exabot.com/go/robot |
| 21 | 20 | 0.04 | 13 | 0.27 | Windows ME |
| 22 | 18 | 0.03 | 1 | 0.02 | Android |
| 23 | 18 | 0.03 | 7 | 0.15 | Windows XP |
| 24 | 17 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 25 | 17 | 0.03 | 8 | 0.17 | X11 |
| 26 | 16 | 0.03 | 16 | 0.34 | Windows CE |
| 27 | 15 | 0.03 | 15 | 0.32 | Windows 2000 |
| 28 | 11 | 0.02 | 5 | 0.11 | Win32 |
| 29 | 11 | 0.02 | 9 | 0.19 | Windows 3.1 |
| 30 | 11 | 0.02 | 11 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 31 | 10 | 0.02 | 2 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 32 | 8 | 0.01 | 6 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 33 | 8 | 0.01 | 4 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 5 | 0.01 | 5 | 0.11 | +http://www.domaintuno.com/robot |
| 35 | 4 | 0.01 | 2 | 0.04 | +http://gimme60.com |
| 36 | 3 | 0.01 | 1 | 0.02 | Auto; Windows |
| 37 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 38 | 3 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |