| Used Operating Systems |
| 1 | 15457 | 52.63 | 572 | 32.01 | +http://yandex.com/bots |
| 2 | 9879 | 33.64 | 108 | 6.04 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1282 | 4.36 | 205 | 11.47 | +http://www.bing.com/bingbot.htm |
| 4 | 789 | 2.69 | 544 | 30.44 | Windows NT |
| 5 | 504 | 1.72 | 26 | 1.45 | +http://www.semrush.com/bot.html |
| 6 | 322 | 1.10 | 18 | 1.01 | +http://ahrefs.com/robot/ |
| 7 | 265 | 0.90 | 48 | 2.69 | +http://www.linkdex.com/bots/ |
| 8 | 153 | 0.52 | 37 | 2.07 | +http://www.google.com/bot.html |
| 9 | 143 | 0.49 | 73 | 4.09 | +http://www.baidu.com/search/spider.html |
| 10 | 136 | 0.46 | 4 | 0.22 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 90 | 0.31 | 4 | 0.22 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 89 | 0.30 | 41 | 2.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 42 | 0.14 | 2 | 0.11 | +http://megaindex.com/crawler |
| 14 | 36 | 0.12 | 4 | 0.22 | +http://www.seokicks.de/robot.html |
| 15 | 34 | 0.12 | 17 | 0.95 | +http://duckduckgo.com |
| 16 | 24 | 0.08 | 2 | 0.11 | +https://www.dataprovider.com/ |
| 17 | 23 | 0.08 | 21 | 1.18 | Windows 95 |
| 18 | 21 | 0.07 | 1 | 0.06 | +http://webmeup-crawler.com/ |
| 19 | 19 | 0.06 | 15 | 0.84 | Windows 98 |
| 20 | 10 | 0.03 | 1 | 0.06 | +http://siteexplorer.info/ |
| 21 | 7 | 0.02 | 7 | 0.39 | Windows 2000 |
| 22 | 6 | 0.02 | 3 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 6 | 0.02 | 6 | 0.34 | Windows XP |
| 24 | 6 | 0.02 | 6 | 0.34 | MSIE 5.5; Windows NT 5.0 |
| 25 | 6 | 0.02 | 6 | 0.34 | MSIE 5.5; Windows NT 4.0 |
| 26 | 6 | 0.02 | 4 | 0.22 | +http://www.exabot.com/go/robot |
| 27 | 3 | 0.01 | 3 | 0.17 | Auto; Windows |
| 28 | 3 | 0.01 | 3 | 0.17 | Windows 3.1 |
| 29 | 2 | 0.01 | 2 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 30 | 2 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 31 | 1 | 0.00 | 1 | 0.06 | Windows CE |
| 32 | 1 | 0.00 | 1 | 0.06 | Windows ME |
| 33 | 1 | 0.00 | 1 | 0.06 | Linux i686 [unknown version] |
| 34 | 1 | 0.00 | 1 | 0.06 | Linux [unknown version] |
| 35 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
