| Used Operating Systems |
| 1 | 41889 | 29.58 | 30922 | 58.77 | +http://ahrefs.com/robot/ |
| 2 | 26424 | 18.66 | 321 | 0.61 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 24611 | 17.38 | 1706 | 3.24 | Windows NT |
| 4 | 24532 | 17.33 | 16856 | 32.03 | +http://www.baidu.com/search/spider.html |
| 5 | 6667 | 4.71 | 412 | 0.78 | +http://yandex.com/bots |
| 6 | 6564 | 4.64 | 1 | 0.00 | +http://megaindex.com/crawler |
| 7 | 3466 | 2.45 | 654 | 1.24 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 2030 | 1.43 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 1703 | 1.20 | 665 | 1.26 | +http://www.google.com/bot.html |
| 10 | 1521 | 1.07 | 311 | 0.59 | +http://www.bing.com/bingbot.htm |
| 11 | 472 | 0.33 | 110 | 0.21 | +http://www.linkdex.com/bots/ |
| 12 | 282 | 0.20 | 152 | 0.29 | Windows 95 |
| 13 | 277 | 0.20 | 1 | 0.00 | +http://www.warebay.com/bot.html |
| 14 | 185 | 0.13 | 24 | 0.05 | +http://www.semrush.com/bot.html |
| 15 | 150 | 0.11 | 39 | 0.07 | Windows 98 |
| 16 | 105 | 0.07 | 35 | 0.07 | +http://www.profound.net/domainappender |
| 17 | 89 | 0.06 | 83 | 0.16 | +http://www.xovibot.net/ |
| 18 | 80 | 0.06 | 35 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 76 | 0.05 | 28 | 0.05 | Windows 3.1 |
| 20 | 68 | 0.05 | 33 | 0.06 | Windows ME |
| 21 | 56 | 0.04 | 32 | 0.06 | Windows CE |
| 22 | 56 | 0.04 | 38 | 0.07 | Windows 2000 |
| 23 | 52 | 0.04 | 5 | 0.01 | Windows XP |
| 24 | 43 | 0.03 | 35 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 25 | 39 | 0.03 | 31 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 26 | 35 | 0.02 | 31 | 0.06 | Auto; Windows |
| 27 | 30 | 0.02 | 26 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 28 | 20 | 0.01 | 8 | 0.02 | +http://www.exabot.com/go/robot |
| 29 | 16 | 0.01 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 30 | 13 | 0.01 | 12 | 0.02 | +info@netcraft.com |
| 31 | 12 | 0.01 | 3 | 0.01 | +http://www.seokicks.de/robot.html |
| 32 | 12 | 0.01 | 1 | 0.00 | +https://www.dataprovider.com/ |
| 33 | 10 | 0.01 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 34 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 35 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.00 | 2 | 0.00 | +http://www.wmtips.com/tools/ |
| 37 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 38 | 1 | 0.00 | 1 | 0.00 | +http://sur.ly/bot.html |
| 39 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
