| Used Operating Systems |
| 1 | 28317 | 34.26 | 589 | 4.10 | Windows NT |
| 2 | 23493 | 28.42 | 300 | 2.09 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 11708 | 14.16 | 8043 | 56.05 | +http://ahrefs.com/robot/ |
| 4 | 6659 | 8.06 | 2 | 0.01 | +http://megaindex.com/crawler |
| 5 | 4967 | 6.01 | 3787 | 26.39 | +http://www.baidu.com/search/spider.html |
| 6 | 2262 | 2.74 | 211 | 1.47 | +http://yandex.com/bots |
| 7 | 1697 | 2.05 | 305 | 2.13 | +http://www.bing.com/bingbot.htm |
| 8 | 785 | 0.95 | 370 | 2.58 | +http://www.google.com/bot.html |
| 9 | 611 | 0.74 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 545 | 0.66 | 371 | 2.59 | +http://www.xovibot.net/ |
| 11 | 423 | 0.51 | 29 | 0.20 | +http://www.semrush.com/bot.html |
| 12 | 375 | 0.45 | 156 | 1.09 | +http://www.linkdex.com/bots/ |
| 13 | 345 | 0.42 | 6 | 0.04 | +http://siteexplorer.info/ |
| 14 | 75 | 0.09 | 19 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 66 | 0.08 | 29 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 46 | 0.06 | 22 | 0.15 | Windows 95 |
| 17 | 32 | 0.04 | 9 | 0.06 | Windows 98 |
| 18 | 31 | 0.04 | 10 | 0.07 | Windows 2000 |
| 19 | 28 | 0.03 | 12 | 0.08 | Windows XP |
| 20 | 27 | 0.03 | 6 | 0.04 | +spider@seoscanners.net |
| 21 | 26 | 0.03 | 26 | 0.18 | actually this is http://ismyblogworking.... |
| 22 | 24 | 0.03 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 23 | 21 | 0.03 | 7 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 24 | 16 | 0.02 | 5 | 0.03 | Windows ME |
| 25 | 16 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 26 | 14 | 0.02 | 3 | 0.02 | Windows CE |
| 27 | 14 | 0.02 | 9 | 0.06 | Windows 3.1 |
| 28 | 10 | 0.01 | 6 | 0.04 | +http://sur.ly/bot.html |
| 29 | 8 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 30 | 5 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 31 | 4 | 0.00 | 4 | 0.03 | Auto; Windows |
| 32 | 4 | 0.00 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 33 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 34 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows 98 |
| 37 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 38 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 39 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
