| Used Operating Systems |
| 1 | 3341 | 29.69 | 1406 | 28.01 | Windows NT |
| 2 | 2717 | 24.15 | 2274 | 45.30 | +http://www.baidu.com/search/spider.html |
| 3 | 2033 | 18.07 | 81 | 1.61 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 933 | 8.29 | 485 | 9.66 | +http://www.bing.com/bingbot.htm |
| 5 | 744 | 6.61 | 367 | 7.31 | +http://www.google.com/bot.html |
| 6 | 309 | 2.75 | 90 | 1.79 | +http://www.linkdex.com/bots/ |
| 7 | 280 | 2.49 | 54 | 1.08 | +http://yandex.com/bots |
| 8 | 174 | 1.55 | 67 | 1.33 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 130 | 1.16 | 4 | 0.08 | +http://fulltext.sblog.cz/ |
| 10 | 72 | 0.64 | 33 | 0.66 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 60 | 0.53 | 4 | 0.08 | http://www.lipperhey.com/ |
| 12 | 56 | 0.50 | 4 | 0.08 | http://crawler.007ac9.net/ |
| 13 | 56 | 0.50 | 27 | 0.54 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 52 | 0.46 | 24 | 0.48 | +http://help.coccoc.com/ |
| 15 | 52 | 0.46 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 16 | 40 | 0.36 | 24 | 0.48 | +http://ahrefs.com/robot/ |
| 17 | 30 | 0.27 | 14 | 0.28 | +http://www.exabot.com/go/robot |
| 18 | 19 | 0.17 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 19 | 16 | 0.14 | 8 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 15 | 0.13 | 7 | 0.14 | +http://www.semrush.com/bot.html |
| 21 | 14 | 0.12 | 3 | 0.06 | +http://siteexplorer.info/ |
| 22 | 8 | 0.07 | 2 | 0.04 | +http://uni5download.com |
| 23 | 8 | 0.07 | 2 | 0.04 | +http://mono.name |
| 24 | 8 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 8 | 0.07 | 2 | 0.04 | +http://plus5files.net |
| 26 | 8 | 0.07 | 2 | 0.04 | +http://galaxydownloads.co |
| 27 | 8 | 0.07 | 2 | 0.04 | +http://wmaid.com/en/explore/ |
| 28 | 7 | 0.06 | 4 | 0.08 | +http://www.proximic.com/info/spider.php |
| 29 | 6 | 0.05 | 1 | 0.02 | Linux [unknown version] |
| 30 | 6 | 0.05 | 4 | 0.08 | +info@netcraft.com |
| 31 | 6 | 0.05 | 2 | 0.04 | +http://opendownload.pw |
| 32 | 4 | 0.04 | 0 | 0.00 | J2ME/MIDP |
| 33 | 4 | 0.04 | 4 | 0.08 | +http://fb02itsscan.fh-muenster.de |
| 34 | 4 | 0.04 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 35 | 4 | 0.04 | 3 | 0.06 | Windows 98 |
| 36 | 4 | 0.04 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 3 | 0.03 | 3 | 0.06 | +http://pmoz.info/doc/botinfo.htm |
| 38 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 39 | 2 | 0.02 | 2 | 0.04 | Linux i686 [unknown version] |
| 40 | 2 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 41 | 2 | 0.02 | 1 | 0.02 | +http://www.wevika.de/ |
| 42 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://www.loadtime.net/bot.html |
| 44 | 1 | 0.01 | 1 | 0.02 | +http://gimme60.com |
| 45 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
