| Used Operating Systems |
| 1 | 46538 | 78.18 | 414 | 8.05 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3310 | 5.56 | 2658 | 51.70 | +http://www.baidu.com/search/spider.html |
| 3 | 3187 | 5.35 | 763 | 14.84 | Windows NT |
| 4 | 2051 | 3.45 | 248 | 4.82 | +http://www.bing.com/bingbot.htm |
| 5 | 1952 | 3.28 | 183 | 3.56 | +http://yandex.com/bots |
| 6 | 691 | 1.16 | 131 | 2.55 | +http://www.linkdex.com/bots/ |
| 7 | 368 | 0.62 | 163 | 3.17 | +http://www.google.com/bot.html |
| 8 | 181 | 0.30 | 60 | 1.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 178 | 0.30 | 27 | 0.53 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 153 | 0.26 | 62 | 1.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 138 | 0.23 | 43 | 0.84 | +http://www.exabot.com/go/robot |
| 12 | 84 | 0.14 | 63 | 1.23 | Windows 95 |
| 13 | 76 | 0.13 | 22 | 0.43 | Windows 98 |
| 14 | 73 | 0.12 | 34 | 0.66 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 62 | 0.10 | 2 | 0.04 | +http://megaindex.com/crawler |
| 16 | 54 | 0.09 | 51 | 0.99 | +http://www.uptime.com/uptimebot |
| 17 | 53 | 0.09 | 36 | 0.70 | +http://ahrefs.com/robot/ |
| 18 | 45 | 0.08 | 5 | 0.10 | +http://www.seokicks.de/robot.html |
| 19 | 34 | 0.06 | 0 | 0.00 | Android |
| 20 | 26 | 0.04 | 5 | 0.10 | Windows XP |
| 21 | 24 | 0.04 | 20 | 0.39 | Auto; Windows |
| 22 | 24 | 0.04 | 19 | 0.37 | MSIE 5.5; Windows NT 4.0 |
| 23 | 24 | 0.04 | 11 | 0.21 | +http://duckduckgo.com |
| 24 | 23 | 0.04 | 16 | 0.31 | Windows ME |
| 25 | 23 | 0.04 | 22 | 0.43 | +http://www.xovibot.net/ |
| 26 | 21 | 0.04 | 17 | 0.33 | Windows 2000 |
| 27 | 19 | 0.03 | 13 | 0.25 | Windows 3.1 |
| 28 | 17 | 0.03 | 14 | 0.27 | ) - BrowseX (2.0.0 Windows |
| 29 | 13 | 0.02 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 30 | 12 | 0.02 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 31 | 12 | 0.02 | 4 | 0.08 | +http://webmeup-crawler.com/ |
| 32 | 11 | 0.02 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 33 | 9 | 0.02 | 9 | 0.18 | Windows CE |
| 34 | 9 | 0.02 | 9 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 35 | 4 | 0.01 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 36 | 4 | 0.01 | 2 | 0.04 | http://www.botje.com/plukkie.htm |
| 37 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 38 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 39 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 3 | 0.01 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 41 | 2 | 0.00 | 1 | 0.02 | crawler@mixrank.com |
| 42 | 2 | 0.00 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 43 | 2 | 0.00 | 2 | 0.04 | Linux i686 [unknown version] |
| 44 | 2 | 0.00 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 45 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
