| Used Operating Systems |
| 1 | 74342 | 47.04 | 28598 | 64.06 | +http://www.baidu.com/search/spider.html |
| 2 | 27222 | 17.22 | 234 | 0.52 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 11501 | 7.28 | 9471 | 21.22 | +http://ahrefs.com/robot/ |
| 4 | 10282 | 6.51 | 1157 | 2.59 | +http://www.bing.com/bingbot.htm |
| 5 | 9200 | 5.82 | 227 | 0.51 | +http://www.semrush.com/bot.html |
| 6 | 7212 | 4.56 | 972 | 2.18 | Windows NT |
| 7 | 4438 | 2.81 | 514 | 1.15 | +http://yandex.com/bots |
| 8 | 3075 | 1.95 | 1499 | 3.36 | +http://www.google.com/bot.html |
| 9 | 3001 | 1.90 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 2006 | 1.27 | 2 | 0.00 | http://crawler.007ac9.net/ |
| 11 | 1792 | 1.13 | 548 | 1.23 | +http://www.linkdex.com/bots/ |
| 12 | 1248 | 0.79 | 652 | 1.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 702 | 0.44 | 165 | 0.37 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 524 | 0.33 | 3 | 0.01 | +http://webmeup-crawler.com/ |
| 15 | 346 | 0.22 | 76 | 0.17 | +http://www.exabot.com/go/robot |
| 16 | 311 | 0.20 | 151 | 0.34 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 254 | 0.16 | 5 | 0.01 | Linux i686 [unknown version] |
| 18 | 138 | 0.09 | 67 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 19 | 69 | 0.04 | 56 | 0.13 | Windows 95 |
| 20 | 63 | 0.04 | 61 | 0.14 | +http://www.xovibot.net/ |
| 21 | 44 | 0.03 | 19 | 0.04 | +http://www.proximic.com/info/spider.php |
| 22 | 43 | 0.03 | 21 | 0.05 | Windows 98 |
| 23 | 27 | 0.02 | 3 | 0.01 | +http://www.seokicks.de/robot.html |
| 24 | 26 | 0.02 | 25 | 0.06 | +http://www.uptime.com/uptimebot |
| 25 | 16 | 0.01 | 15 | 0.03 | Windows ME |
| 26 | 13 | 0.01 | 2 | 0.00 | +http://help.coccoc.com/searchengine |
| 27 | 12 | 0.01 | 12 | 0.03 | Windows 2000 |
| 28 | 12 | 0.01 | 11 | 0.02 | Windows CE |
| 29 | 12 | 0.01 | 1 | 0.00 | +https://www.dataprovider.com/ |
| 30 | 11 | 0.01 | 11 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 31 | 10 | 0.01 | 6 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 32 | 9 | 0.01 | 9 | 0.02 | Auto; Windows |
| 33 | 9 | 0.01 | 9 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 34 | 8 | 0.01 | 3 | 0.01 | Windows XP |
| 35 | 8 | 0.01 | 7 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 36 | 8 | 0.01 | 4 | 0.01 | +http://duckduckgo.com |
| 37 | 7 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 7 | 0.00 | 7 | 0.02 | Windows 3.1 |
| 39 | 6 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 40 | 5 | 0.00 | 2 | 0.00 | +http://help.coccoc.com/ |
| 41 | 4 | 0.00 | 2 | 0.00 | +https://deusu.de/robot.html |
| 42 | 4 | 0.00 | 3 | 0.01 | +http://glutenfreepleasure.com/ |
| 43 | 3 | 0.00 | 1 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 44 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 45 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 46 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 47 | 2 | 0.00 | 2 | 0.00 | Intel Mac OS X 10.6 |
| 48 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 49 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 50 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
