| Used Operating Systems |
| 1 | 4314 | 26.39 | 1516 | 35.68 | +http://www.baidu.com/search/spider.html |
| 2 | 3914 | 23.94 | 1148 | 27.02 | Windows NT |
| 3 | 3318 | 20.29 | 586 | 13.79 | +http://www.google.com/bot.html |
| 4 | 1428 | 8.73 | 391 | 9.20 | +http://www.bing.com/bingbot.htm |
| 5 | 1046 | 6.40 | 238 | 5.60 | help@moz.com |
| 6 | 900 | 5.50 | 62 | 1.46 | +http://yandex.com/bots |
| 7 | 581 | 3.55 | 178 | 4.19 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 294 | 1.80 | 2 | 0.05 | WinHttp.WinHttpRequest.5 |
| 9 | 165 | 1.01 | 13 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 89 | 0.54 | 30 | 0.71 | +http://www.exabot.com/go/robot |
| 11 | 62 | 0.38 | 16 | 0.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 37 | 0.23 | 8 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 13 | 36 | 0.22 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 14 | 25 | 0.15 | 6 | 0.14 | Linux i686 [unknown version] |
| 15 | 22 | 0.13 | 11 | 0.26 | http://crawler.sistrix.net/ |
| 16 | 18 | 0.11 | 9 | 0.21 | +http://www.seoprofiler.com/bot |
| 17 | 13 | 0.08 | 4 | 0.09 | +http://www.semrush.com/bot.html |
| 18 | 10 | 0.06 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 19 | 8 | 0.05 | 7 | 0.16 | +http://www.proximic.com/info/spider.php |
| 20 | 8 | 0.05 | 8 | 0.19 | +http://pmoz.info/doc/botinfo.htm |
| 21 | 7 | 0.04 | 0 | 0.00 | Macintosh PPC |
| 22 | 6 | 0.04 | 0 | 0.00 | Win32 |
| 23 | 6 | 0.04 | 0 | 0.00 | J2ME/MIDP |
| 24 | 6 | 0.04 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 25 | 5 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 26 | 4 | 0.02 | 0 | 0.00 | Windows 9. |
| 27 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 28 | 4 | 0.02 | 2 | 0.05 | +http://botw.org |
| 29 | 4 | 0.02 | 2 | 0.05 | Windows 98 |
| 30 | 4 | 0.02 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 31 | 3 | 0.02 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 32 | 2 | 0.01 | 0 | 0.00 | i686 Linux; 20020215 |
| 33 | 2 | 0.01 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 34 | 1 | 0.01 | 0 | 0.00 | +http://image2play.com/ |
| 35 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 36 | 1 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 37 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows 95 |
