| Used Operating Systems by Visits |
| 1 | 4094 | 12.94 | 1225 | 44.81 | Windows NT |
| 2 | 1931 | 6.10 | 482 | 17.63 | +http://www.google.com/bot.html |
| 3 | 1010 | 3.19 | 285 | 10.42 | +http://www.bing.com/bingbot.htm |
| 4 | 22832 | 72.17 | 175 | 6.40 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 305 | 0.96 | 151 | 5.52 | +http://www.baidu.com/search/spider.html |
| 6 | 271 | 0.86 | 94 | 3.44 | +http://yandex.com/bots |
| 7 | 116 | 0.37 | 56 | 2.05 | Windows 95 |
| 8 | 73 | 0.23 | 22 | 0.80 | Windows 98 |
| 9 | 50 | 0.16 | 21 | 0.77 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 45 | 0.14 | 20 | 0.73 | +http://help.coccoc.com/ |
| 11 | 81 | 0.26 | 19 | 0.69 | +http://fulltext.sblog.cz/ |
| 12 | 30 | 0.09 | 16 | 0.59 | Windows 2000 |
| 13 | 26 | 0.08 | 13 | 0.48 | +http://www.exabot.com/go/robot |
| 14 | 32 | 0.10 | 12 | 0.44 | +http://www.linkdex.com/bots/ |
| 15 | 19 | 0.06 | 11 | 0.40 | Windows CE |
| 16 | 18 | 0.06 | 11 | 0.40 | Auto; Windows |
| 17 | 75 | 0.24 | 11 | 0.40 | +http://www.findxbot.com |
| 18 | 41 | 0.13 | 10 | 0.37 | Windows XP |
| 19 | 12 | 0.04 | 10 | 0.37 | +http://www.semrush.com/bot.html |
| 20 | 16 | 0.05 | 9 | 0.33 | MSIE 5.5; Windows NT 4.0 |
| 21 | 18 | 0.06 | 9 | 0.33 | +http://duckduckgo.com |
| 22 | 12 | 0.04 | 8 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 23 | 11 | 0.03 | 7 | 0.26 | +http://ahrefs.com/robot/ |
| 24 | 14 | 0.04 | 7 | 0.26 | Windows 3.1 |
| 25 | 12 | 0.04 | 6 | 0.22 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 13 | 0.04 | 5 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 7 | 0.02 | 5 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 28 | 34 | 0.11 | 5 | 0.18 | Linux i686 [unknown version] |
| 29 | 7 | 0.02 | 4 | 0.15 | Windows ME |
| 30 | 88 | 0.28 | 3 | 0.11 | +http://filterdb.iss.net/crawler/ |
| 31 | 195 | 0.62 | 3 | 0.11 | +https://www.aihitdata.com/about |
| 32 | 3 | 0.01 | 3 | 0.11 | ActiveXperts.Http |
| 33 | 6 | 0.02 | 2 | 0.07 | crawler@mixrank.com |
| 34 | 4 | 0.01 | 2 | 0.07 | +http://gimmeusa-update.com/crawler |
| 35 | 6 | 0.02 | 2 | 0.07 | +info@netcraft.com |
| 36 | 18 | 0.06 | 2 | 0.07 | +http://advbot.org/bot.html |
| 37 | 2 | 0.01 | 1 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 38 | 39 | 0.12 | 1 | 0.04 | Android |
| 39 | 1 | 0.00 | 1 | 0.04 | PPC Mac OS X Mach-O |
| 40 | 1 | 0.00 | 1 | 0.04 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 1 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 31 | 0.10 | 1 | 0.04 | +http://megaindex.com/crawler |
| 43 | 25 | 0.08 | 1 | 0.04 | +http://webmeup-crawler.com/ |
| 44 | 12 | 0.04 | 1 | 0.04 | +https://www.lipperhey.com/en/about/ |
