| Used Operating Systems |
| 1 | 43950 | 83.03 | 4528 | 66.49 | Windows NT |
| 2 | 2245 | 4.24 | 168 | 2.47 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 2093 | 3.95 | 1435 | 21.07 | +http://www.baidu.com/search/spider.html |
| 4 | 1839 | 3.47 | 155 | 2.28 | help@moz.com |
| 5 | 817 | 1.54 | 32 | 0.47 | +http://www.easou.com/search/spider.html |
| 6 | 403 | 0.76 | 156 | 2.29 | +http://www.bing.com/bingbot.htm |
| 7 | 399 | 0.75 | 57 | 0.84 | +http://www.google.com/bot.html |
| 8 | 281 | 0.53 | 41 | 0.60 | +http://yandex.com/bots |
| 9 | 267 | 0.50 | 31 | 0.46 | Windows 98 |
| 10 | 118 | 0.22 | 10 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 79 | 0.15 | 33 | 0.48 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 64 | 0.12 | 5 | 0.07 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 52 | 0.10 | 39 | 0.57 | Windows 95 |
| 14 | 45 | 0.09 | 21 | 0.31 | +http://www.exabot.com/go/robot |
| 15 | 36 | 0.07 | 6 | 0.09 | X11 |
| 16 | 28 | 0.05 | 9 | 0.13 | +http://fulltext.sblog.cz/ |
| 17 | 19 | 0.04 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 18 | 17 | 0.03 | 1 | 0.01 | +http://ahrefs.com/robot/ |
| 19 | 17 | 0.03 | 8 | 0.12 | Linux i686 [unknown version] |
| 20 | 16 | 0.03 | 2 | 0.03 | Android 2.3.5 |
| 21 | 15 | 0.03 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 22 | 14 | 0.03 | 2 | 0.03 | Linux [unknown version] |
| 23 | 14 | 0.03 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 24 | 10 | 0.02 | 8 | 0.12 | Windows 3.1 |
| 25 | 10 | 0.02 | 10 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 26 | 9 | 0.02 | 9 | 0.13 | Windows ME |
| 27 | 7 | 0.01 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 28 | 7 | 0.01 | 7 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 29 | 6 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 30 | 5 | 0.01 | 5 | 0.07 | Windows 2000 |
| 31 | 5 | 0.01 | 5 | 0.07 | Windows XP |
| 32 | 4 | 0.01 | 2 | 0.03 | Windows CE |
| 33 | 4 | 0.01 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 34 | 3 | 0.01 | 3 | 0.04 | RISC OS 4.02 |
| 35 | 3 | 0.01 | 3 | 0.04 | Auto; Windows |
| 36 | 3 | 0.01 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 37 | 2 | 0.00 | 0 | 0.00 | http://www.peew.de/crawler/ |
| 38 | 2 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 39 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 2 | 0.00 | 0 | 0.00 | +http://about.depspid.net |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 2 | 0.00 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 43 | 2 | 0.00 | 0 | 0.00 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 44 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 45 | 2 | 0.00 | 2 | 0.03 | Website Thumbnail Generator; +http://web... |
| 46 | 2 | 0.00 | 0 | 0.00 | +http://about.ask.com/en/docs/about/webm... |
| 47 | 1 | 0.00 | 1 | 0.01 | http://www.secretsearchenginelabs.com/se... |
| 48 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 49 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 50 | 1 | 0.00 | 1 | 0.01 | +http://www.openindex.io/en/webmasters/s... |
| 51 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://wummel.github.io/linkchecker/ |
| 53 | 1 | 0.00 | 0 | 0.00 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 54 | 1 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
| 55 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020712 |
| 56 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
| 57 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
