| Used Operating Systems |
| 1 | 6200 | 43.17 | 1650 | 31.58 | Windows NT |
| 2 | 3116 | 21.69 | 1905 | 36.46 | +http://www.baidu.com/search/spider.html |
| 3 | 1834 | 12.77 | 600 | 11.48 | +http://www.google.com/bot.html |
| 4 | 789 | 5.49 | 133 | 2.55 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 723 | 5.03 | 293 | 5.61 | +http://www.bing.com/bingbot.htm |
| 6 | 254 | 1.77 | 253 | 4.84 | http://www.yodao.com/help/webmaster/spid... |
| 7 | 251 | 1.75 | 46 | 0.88 | +http://yandex.com/bots |
| 8 | 192 | 1.34 | 81 | 1.55 | ezooms.bot@gmail.com |
| 9 | 154 | 1.07 | 7 | 0.13 | http://crawler.sistrix.net/ |
| 10 | 128 | 0.89 | 4 | 0.08 | Linux i686 [unknown version] |
| 11 | 114 | 0.79 | 56 | 1.07 | +http://ahrefs.com/robot/ |
| 12 | 68 | 0.47 | 6 | 0.11 | Android 2.3.5 |
| 13 | 67 | 0.47 | 43 | 0.82 | Windows 95 |
| 14 | 51 | 0.36 | 17 | 0.33 | Windows 3.1 |
| 15 | 49 | 0.34 | 18 | 0.34 | Windows 98 |
| 16 | 46 | 0.32 | 2 | 0.04 | J2ME/MIDP |
| 17 | 44 | 0.31 | 25 | 0.48 | +http://www.exabot.com/go/robot |
| 18 | 39 | 0.27 | 19 | 0.36 | +http://www.acoon.de/robot.asp |
| 19 | 32 | 0.22 | 4 | 0.08 | +http://go.mail.ru/help/robots |
| 20 | 30 | 0.21 | 17 | 0.33 | MSIE 5.5; Windows NT 5.0 |
| 21 | 30 | 0.21 | 2 | 0.04 | +http://fulltext.sblog.cz/screenshot/ |
| 22 | 28 | 0.19 | 6 | 0.11 | MirrorDetector; +http://yandex.com/bots |
| 23 | 25 | 0.17 | 1 | 0.02 | Android 2.3.6 |
| 24 | 24 | 0.17 | 18 | 0.34 | +http://shoulu.jike.com/spider.html |
| 25 | 16 | 0.11 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 26 | 14 | 0.10 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 27 | 9 | 0.06 | 0 | 0.00 | +http://www.cloudflare.com/always-online |
| 28 | 7 | 0.05 | 4 | 0.08 | http://www.youdao.com/help/webmaster/spi... |
| 29 | 5 | 0.03 | 3 | 0.06 | X11 |
| 30 | 4 | 0.03 | 2 | 0.04 | +http://www.compspy.com/spider.html |
| 31 | 4 | 0.03 | 0 | 0.00 | Windows 9. |
| 32 | 4 | 0.03 | 2 | 0.04 | Windows ME |
| 33 | 3 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 34 | 3 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 36 | 2 | 0.01 | 2 | 0.04 | +http://siteexplorer.info/ |
| 37 | 1 | 0.01 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 38 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
