| Used Operating Systems |
| 1 | 10092 | 49.39 | 4524 | 62.52 | Windows NT |
| 2 | 4249 | 20.79 | 344 | 4.75 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 2157 | 10.56 | 1576 | 21.78 | +http://www.baidu.com/search/spider.html |
| 4 | 1002 | 4.90 | 39 | 0.54 | +http://www.easou.com/search/spider.html |
| 5 | 980 | 4.80 | 78 | 1.08 | Windows 98 |
| 6 | 714 | 3.49 | 211 | 2.92 | +http://www.google.com/bot.html |
| 7 | 368 | 1.80 | 161 | 2.22 | +http://www.bing.com/bingbot.htm |
| 8 | 267 | 1.31 | 49 | 0.68 | +http://yandex.com/bots |
| 9 | 82 | 0.40 | 26 | 0.36 | +http://ahrefs.com/robot/ |
| 10 | 81 | 0.40 | 37 | 0.51 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 52 | 0.25 | 43 | 0.59 | Windows 95 |
| 12 | 42 | 0.21 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 41 | 0.20 | 17 | 0.23 | +http://www.exabot.com/go/robot |
| 14 | 38 | 0.19 | 7 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 15 | 27 | 0.13 | 11 | 0.15 | +http://fulltext.sblog.cz/ |
| 16 | 22 | 0.11 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 17 | 20 | 0.10 | 2 | 0.03 | +http://www.linkpad.ru |
| 18 | 17 | 0.08 | 4 | 0.06 | X11 |
| 19 | 15 | 0.07 | 11 | 0.15 | Windows ME |
| 20 | 15 | 0.07 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 21 | 14 | 0.07 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 22 | 13 | 0.06 | 11 | 0.15 | Windows 2000 |
| 23 | 12 | 0.06 | 1 | 0.01 | Android 2.3.5 |
| 24 | 11 | 0.05 | 9 | 0.12 | Auto; Windows |
| 25 | 11 | 0.05 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 26 | 11 | 0.05 | 11 | 0.15 | Windows 3.1 |
| 27 | 10 | 0.05 | 9 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 28 | 10 | 0.05 | 8 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 29 | 7 | 0.03 | 7 | 0.10 | Windows XP |
| 30 | 7 | 0.03 | 7 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 31 | 6 | 0.03 | 3 | 0.04 | http://crawler.sistrix.net/ |
| 32 | 6 | 0.03 | 6 | 0.08 | +http://wmaid.com/explore/ |
| 33 | 5 | 0.02 | 5 | 0.07 | Windows CE |
| 34 | 5 | 0.02 | 1 | 0.01 | +http://u12files.com/ |
| 35 | 4 | 0.02 | 1 | 0.01 | +http://siteexplorer.info/ |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 37 | 3 | 0.01 | 3 | 0.04 | Linux i686 [unknown version] |
| 38 | 3 | 0.01 | 1 | 0.01 | +http://freedlf.com/ |
| 39 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 40 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 42 | 1 | 0.00 | 1 | 0.01 | http://www.secretsearchenginelabs.com/se... |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 44 | 1 | 0.00 | 1 | 0.01 | Website Thumbnail Generator; +http://web... |
| 45 | 1 | 0.00 | 1 | 0.01 | +http://wummel.github.io/linkchecker/ |
| 46 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
