| Used Operating Systems |
| 1 | 10441 | 63.79 | 4044 | 53.56 | Windows NT |
| 2 | 2102 | 12.84 | 1918 | 25.40 | +http://www.baidu.com/search/spider.html |
| 3 | 883 | 5.39 | 238 | 3.15 | +http://www.bing.com/bingbot.htm |
| 4 | 647 | 3.95 | 296 | 3.92 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 385 | 2.35 | 136 | 1.80 | +http://www.google.com/bot.html |
| 6 | 303 | 1.85 | 34 | 0.45 | +http://yandex.com/bots |
| 7 | 293 | 1.79 | 218 | 2.89 | Windows 95 |
| 8 | 235 | 1.44 | 64 | 0.85 | Windows 98 |
| 9 | 159 | 0.97 | 82 | 1.09 | Windows ME |
| 10 | 124 | 0.76 | 11 | 0.15 | +http://ahrefs.com/robot/ |
| 11 | 89 | 0.54 | 87 | 1.15 | http://www.yodao.com/help/webmaster/spid... |
| 12 | 86 | 0.53 | 32 | 0.42 | Windows XP |
| 13 | 64 | 0.39 | 51 | 0.68 | Windows 2000 |
| 14 | 56 | 0.34 | 26 | 0.34 | ezooms.bot@gmail.com |
| 15 | 54 | 0.33 | 12 | 0.16 | http://crawler.sistrix.net/ |
| 16 | 52 | 0.32 | 44 | 0.58 | Windows 3.1 |
| 17 | 52 | 0.32 | 47 | 0.62 | MSIE 5.5; Windows NT 5.0 |
| 18 | 49 | 0.30 | 43 | 0.57 | Windows CE |
| 19 | 41 | 0.25 | 41 | 0.54 | MSIE 5.5; Windows NT 4.0 |
| 20 | 40 | 0.24 | 20 | 0.26 | +http://www.exabot.com/go/robot |
| 21 | 36 | 0.22 | 4 | 0.05 | MirrorDetector; +http://yandex.com/bots |
| 22 | 34 | 0.21 | 17 | 0.23 | +http://www.career-x.de/bot.html |
| 23 | 26 | 0.16 | 22 | 0.29 | +http://shoulu.jike.com/spider.html |
| 24 | 24 | 0.15 | 3 | 0.04 | +http://siteexplorer.info/ |
| 25 | 20 | 0.12 | 19 | 0.25 | +http://help.soso.com/webspider.htm |
| 26 | 18 | 0.11 | 9 | 0.12 | +http://discoveryengine.com/discoverybot... |
| 27 | 8 | 0.05 | 3 | 0.04 | X11 |
| 28 | 7 | 0.04 | 4 | 0.05 | Android 2.3.5 |
| 29 | 6 | 0.04 | 3 | 0.04 | +http://snipebot.com/bot.html |
| 30 | 5 | 0.03 | 3 | 0.04 | Auto; Windows |
| 31 | 5 | 0.03 | 3 | 0.04 | +http://www.semrush.com/bot.html |
| 32 | 4 | 0.02 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 33 | 3 | 0.02 | 2 | 0.03 | Macintosh |
| 34 | 3 | 0.02 | 2 | 0.03 | Android 2.2.1 |
| 35 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 36 | 2 | 0.01 | 2 | 0.03 | +http://go.mail.ru/help/robots |
| 37 | 2 | 0.01 | 2 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 38 | 2 | 0.01 | 1 | 0.01 | crawler@unister.de |
| 39 | 2 | 0.01 | 1 | 0.01 | http://www.mojeek.com/bot.html |
| 40 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 41 | 1 | 0.01 | 1 | 0.01 | +http://awcheck.com/en/about |
| 42 | 1 | 0.01 | 1 | 0.01 | FreeBSD [unknown version] |
