| Used Operating Systems by Visits |
| 1 | 21790 | 26.01 | 5149 | 58.53 | +http://ahrefs.com/robot/ |
| 2 | 30486 | 36.40 | 1286 | 14.62 | Windows NT |
| 3 | 1769 | 2.11 | 1023 | 11.63 | +http://www.baidu.com/search/spider.html |
| 4 | 21637 | 25.83 | 402 | 4.57 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1195 | 1.43 | 138 | 1.57 | +http://www.google.com/bot.html |
| 6 | 2129 | 2.54 | 136 | 1.55 | +http://www.bing.com/bingbot.htm |
| 7 | 184 | 0.22 | 94 | 1.07 | Windows 95 |
| 8 | 1076 | 1.28 | 86 | 0.98 | +http://yandex.com/bots |
| 9 | 90 | 0.11 | 74 | 0.84 | Linux i686 [unknown version] |
| 10 | 149 | 0.18 | 43 | 0.49 | Windows 98 |
| 11 | 52 | 0.06 | 24 | 0.27 | MSIE 5.5; Windows NT 4.0 |
| 12 | 24 | 0.03 | 23 | 0.26 | Linux [unknown version] |
| 13 | 34 | 0.04 | 22 | 0.25 | Windows CE |
| 14 | 42 | 0.05 | 21 | 0.24 | MSIE 5.5; Windows NT 5.0 |
| 15 | 40 | 0.05 | 20 | 0.23 | Windows 3.1 |
| 16 | 54 | 0.06 | 20 | 0.23 | +http://www.uptime.com/uptimebot |
| 17 | 18 | 0.02 | 18 | 0.20 | J2ME/MIDP |
| 18 | 63 | 0.08 | 17 | 0.19 | Windows XP |
| 19 | 30 | 0.04 | 15 | 0.17 | Windows 2000 |
| 20 | 43 | 0.05 | 15 | 0.17 | +http://www.linkdex.com/bots/ |
| 21 | 30 | 0.04 | 14 | 0.16 | Windows ME |
| 22 | 14 | 0.02 | 14 | 0.16 | PPC Mac OS X Mach-O |
| 23 | 16 | 0.02 | 13 | 0.15 | Auto; Windows |
| 24 | 20 | 0.02 | 13 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 25 | 10 | 0.01 | 9 | 0.10 | X11 |
| 26 | 332 | 0.40 | 8 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 8 | 0.01 | 6 | 0.07 | Macintosh PPC |
| 28 | 678 | 0.81 | 6 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 29 | 6 | 0.01 | 6 | 0.07 | SunOS sun4u |
| 30 | 684 | 0.82 | 6 | 0.07 | +http://megaindex.com/crawler |
| 31 | 6 | 0.01 | 6 | 0.07 | Macintosh |
| 32 | 326 | 0.39 | 4 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 33 | 4 | 0.00 | 4 | 0.05 | Intel Mac OS X |
| 34 | 8 | 0.01 | 4 | 0.05 | Linux 2.4.x |
| 35 | 4 | 0.00 | 4 | 0.05 | i686 Linux; 20020823 |
| 36 | 4 | 0.00 | 4 | 0.05 | FreeBSD [unknown version] |
| 37 | 18 | 0.02 | 4 | 0.05 | +http://www.exabot.com/go/robot |
| 38 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020912 |
| 39 | 2 | 0.00 | 2 | 0.02 | SunOS sun4v |
| 40 | 2 | 0.00 | 2 | 0.02 | SunOS i86pc |
| 41 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20021208 |
| 42 | 2 | 0.00 | 2 | 0.02 | +http://www.anyapex.com/bot.html |
| 43 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020412 |
| 44 | 4 | 0.00 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 45 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020423 |
| 46 | 2 | 0.00 | 2 | 0.02 | Solaris 8.x |
| 47 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020910 |
| 48 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20021119 |
| 49 | 254 | 0.30 | 2 | 0.02 | http://crawler.007ac9.net/ |
| 50 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020510 |
| 51 | 2 | 0.00 | 2 | 0.02 | i686 Linux; 20020628 |
| 52 | 2 | 0.00 | 2 | 0.02 | Linux i586 [unknown version] |
| 53 | 2 | 0.00 | 2 | 0.02 | Haiku BePC |
| 54 | 2 | 0.00 | 2 | 0.02 | Linux 2.2.x |
| 55 | 24 | 0.03 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 56 | 2 | 0.00 | 2 | 0.02 | +http://www.scrubtheweb.com/abs/meta-che... |
| 57 | 154 | 0.18 | 2 | 0.02 | +http://siteexplorer.info/ |
| 58 | 2 | 0.00 | 2 | 0.02 | MSIE 6.0; MSIE 5.5; Windows NT 5.1) Ope... |
| 59 | 2 | 0.00 | 2 | 0.02 | +http://duckduckgo.com |
| 60 | 11 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 61 | 147 | 0.18 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 62 | 4 | 0.00 | 0 | 0.00 | Series 60 |
| 63 | 50 | 0.06 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 64 | 1 | 0.00 | 0 | 0.00 | +https://gimmeusa.com/crawler.html |
| 65 | 2 | 0.00 | 0 | 0.00 | Windows 9x |
