| Used Operating Systems |
| 1 | 32682 | 34.41 | 651 | 3.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 22113 | 23.28 | 11030 | 65.69 | +http://ahrefs.com/robot/ |
| 3 | 9375 | 9.87 | 803 | 4.78 | +http://yandex.com/bots |
| 4 | 6239 | 6.57 | 1275 | 7.59 | +http://www.bing.com/bingbot.htm |
| 5 | 6033 | 6.35 | 852 | 5.07 | Windows NT |
| 6 | 3037 | 3.20 | 5 | 0.03 | +http://megaindex.com/crawler |
| 7 | 2816 | 2.96 | 1083 | 6.45 | +http://www.google.com/bot.html |
| 8 | 2569 | 2.70 | 19 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 9 | 2536 | 2.67 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 10 | 1936 | 2.04 | 10 | 0.06 | +http://www.warebay.com/bot.html |
| 11 | 1854 | 1.95 | 2 | 0.01 | crawler@goodzer.com |
| 12 | 908 | 0.96 | 106 | 0.63 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 645 | 0.68 | 325 | 1.94 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 500 | 0.53 | 103 | 0.61 | +http://www.linkdex.com/bots/ |
| 15 | 345 | 0.36 | 225 | 1.34 | +http://www.uptime.com/uptimebot |
| 16 | 246 | 0.26 | 5 | 0.03 | +http://www.privacyaware.org |
| 17 | 231 | 0.24 | 57 | 0.34 | +http://fulltext.sblog.cz/ |
| 18 | 101 | 0.11 | 2 | 0.01 | Android |
| 19 | 97 | 0.10 | 4 | 0.02 | http://crawler.007ac9.net/ |
| 20 | 96 | 0.10 | 5 | 0.03 | +https://www.aihitdata.com/about |
| 21 | 75 | 0.08 | 20 | 0.12 | Windows 95 |
| 22 | 73 | 0.08 | 26 | 0.15 | Windows XP |
| 23 | 66 | 0.07 | 27 | 0.16 | +http://duckduckgo.com |
| 24 | 62 | 0.07 | 9 | 0.05 | Windows 98 |
| 25 | 43 | 0.05 | 7 | 0.04 | Windows 2000 |
| 26 | 42 | 0.04 | 6 | 0.04 | http://filterdb.iss.net/crawler/ |
| 27 | 36 | 0.04 | 21 | 0.13 | +http://www.exabot.com/go/robot |
| 28 | 33 | 0.03 | 32 | 0.19 | +http://www.xovibot.net/ |
| 29 | 25 | 0.03 | 4 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 30 | 24 | 0.03 | 5 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 31 | 15 | 0.02 | 14 | 0.08 | +info@netcraft.com |
| 32 | 14 | 0.01 | 8 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 33 | 13 | 0.01 | 3 | 0.02 | Windows 3.1 |
| 34 | 12 | 0.01 | 6 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 35 | 11 | 0.01 | 5 | 0.03 | Windows CE |
| 36 | 11 | 0.01 | 5 | 0.03 | Auto; Windows |
| 37 | 11 | 0.01 | 3 | 0.02 | Linux [unknown version] |
| 38 | 11 | 0.01 | 11 | 0.07 | apps-spreadsheets; +http://docs.google.c... |
| 39 | 10 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 40 | 9 | 0.01 | 5 | 0.03 | Windows ME |
| 41 | 5 | 0.01 | 2 | 0.01 | +http://www.semrush.com/bot.html |
| 42 | 4 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 43 | 3 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 44 | 3 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 45 | 3 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/ |
| 46 | 2 | 0.00 | 1 | 0.01 | +https://deusu.de/robot.html |
| 47 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 2 | 0.00 | 1 | 0.01 | +http://www.linkpad.ru |
| 49 | 2 | 0.00 | 1 | 0.01 | +https://rankactive.com/resources/rankac... |
| 50 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 51 | 1 | 0.00 | 1 | 0.01 | crawler@mixrank.com |
| 52 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 53 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20021218 |
