| Used Operating Systems |
| 1 | 17562 | 50.36 | 170 | 3.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7940 | 22.77 | 159 | 3.01 | +http://ahrefs.com/robot/ |
| 3 | 3064 | 8.79 | 1706 | 32.33 | Windows NT |
| 4 | 2614 | 7.50 | 2159 | 40.91 | +http://www.baidu.com/search/spider.html |
| 5 | 2299 | 6.59 | 494 | 9.36 | +http://www.google.com/bot.html |
| 6 | 458 | 1.31 | 189 | 3.58 | +http://www.bing.com/bingbot.htm |
| 7 | 269 | 0.77 | 101 | 1.91 | +http://www.linkdex.com/bots/ |
| 8 | 210 | 0.60 | 65 | 1.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 129 | 0.37 | 65 | 1.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 65 | 0.19 | 27 | 0.51 | +http://yandex.com/bots |
| 11 | 50 | 0.14 | 16 | 0.30 | Windows 95 |
| 12 | 30 | 0.09 | 30 | 0.57 | +http://monasterytea.spbdyet.ru |
| 13 | 28 | 0.08 | 28 | 0.53 | +http://warifort.moykrest.ru |
| 14 | 21 | 0.06 | 6 | 0.11 | Windows 98 |
| 15 | 18 | 0.05 | 9 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 13 | 0.04 | 5 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 17 | 12 | 0.03 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 18 | 12 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 19 | 9 | 0.03 | 5 | 0.09 | Windows CE |
| 20 | 8 | 0.02 | 4 | 0.08 | Windows ME |
| 21 | 7 | 0.02 | 7 | 0.13 | +http://warifort.moykrest.ru/ |
| 22 | 6 | 0.02 | 2 | 0.04 | Windows 2000 |
| 23 | 6 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 24 | 6 | 0.02 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 25 | 5 | 0.01 | 0 | 0.00 | +http://gimmeusa-update.com/crawler |
| 26 | 5 | 0.01 | 5 | 0.09 | +http://www.domaintuno.com/robot |
| 27 | 4 | 0.01 | 2 | 0.04 | +http://duckduckgo.com |
| 28 | 3 | 0.01 | 2 | 0.04 | +https://gimmeusa.com/pages/crawler |
| 29 | 3 | 0.01 | 1 | 0.02 | Windows XP |
| 30 | 3 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 31 | 3 | 0.01 | 1 | 0.02 | +http://www.xovibot.net/ |
| 32 | 3 | 0.01 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 33 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 35 | 2 | 0.01 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 36 | 1 | 0.00 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 37 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
