| Used Operating Systems |
| 1 | 21709 | 40.20 | 6277 | 62.19 | Windows NT |
| 2 | 14312 | 26.50 | 233 | 2.31 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 5756 | 10.66 | 1475 | 14.61 | +http://www.baidu.com/search/spider.html |
| 4 | 2613 | 4.84 | 5 | 0.05 | +http://webmeup-crawler.com/ |
| 5 | 2004 | 3.71 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 6 | 1986 | 3.68 | 778 | 7.71 | +http://www.easou.com/search/spider.html |
| 7 | 1273 | 2.36 | 493 | 4.88 | +http://www.google.com/bot.html |
| 8 | 1133 | 2.10 | 216 | 2.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 963 | 1.78 | 78 | 0.77 | Windows 98 |
| 10 | 765 | 1.42 | 186 | 1.84 | +http://yandex.com/bots |
| 11 | 686 | 1.27 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 12 | 356 | 0.66 | 103 | 1.02 | +http://www.linkdex.com/bots/ |
| 13 | 128 | 0.24 | 90 | 0.89 | Linux i686 [unknown version] |
| 14 | 79 | 0.15 | 50 | 0.50 | X11 |
| 15 | 55 | 0.10 | 19 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 46 | 0.09 | 32 | 0.32 | Linux [unknown version] |
| 17 | 26 | 0.05 | 18 | 0.18 | J2ME/MIDP |
| 18 | 21 | 0.04 | 7 | 0.07 | +http://www.bing.com/bingbot.htm |
| 19 | 11 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 20 | 9 | 0.02 | 5 | 0.05 | Windows 95 |
| 21 | 9 | 0.02 | 5 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 22 | 8 | 0.01 | 2 | 0.02 | PPC Mac OS X Mach-O |
| 23 | 7 | 0.01 | 2 | 0.02 | Intel Mac OS X |
| 24 | 4 | 0.01 | 0 | 0.00 | Trident/6.0; Windows NT 5.2; MEGAUPLOAD ... |
| 25 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 4 | 0.01 | 0 | 0.00 | Trident/6.0; Windows 98; .NET CLR 5.1.59... |
| 27 | 3 | 0.01 | 1 | 0.01 | Windows ME |
| 28 | 3 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 29 | 2 | 0.00 | 2 | 0.02 | Trident/6.0; Windows NT 5.0; InfoPath.2;... |
| 30 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.0; IEMB3 |
| 31 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.1; MyIE2; MEGA... |
| 32 | 2 | 0.00 | 0 | 0.00 | Trident/5.0; Windows 98; Zango 6.0.54; I... |
| 33 | 2 | 0.00 | 0 | 0.00 | Trident/5.0; Windows 98; MEGAUPLOAD 1.7.... |
| 34 | 2 | 0.00 | 1 | 0.01 | Trident/5.0; Windows 98;GB |
| 35 | 2 | 0.00 | 2 | 0.02 | Trident/6.0; Windows NT 6.1; Zune 2.8.73... |
| 36 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; MSN Optimized; ... |
| 37 | 2 | 0.00 | 2 | 0.02 | Trident/6.0; Windows NT 5.2; InfoPath.1;... |
| 38 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 6.1; SV1; Zango ... |
| 39 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 6.0; Zune 8.3.57... |
| 40 | 2 | 0.00 | 0 | 0.00 | Trident/5.0; Windows 98; Avant Browser;G... |
| 41 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; InfoPath.1; Spa... |
| 42 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; FDM; FDM |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://www.alexa.com/help/webmasters; s... |
| 44 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
