| Used Operating Systems |
| 1 | 15595 | 41.70 | 542 | 4.38 | +http://yandex.com/bots |
| 2 | 12460 | 33.31 | 8651 | 69.87 | +http://ahrefs.com/robot/ |
| 3 | 2978 | 7.96 | 1781 | 14.38 | +http://www.baidu.com/search/spider.html |
| 4 | 1973 | 5.28 | 69 | 0.56 | http://mj12bot.com/ |
| 5 | 1190 | 3.18 | 171 | 1.38 | Windows NT |
| 6 | 1016 | 2.72 | 517 | 4.18 | +http://www.google.com/bot.html |
| 7 | 780 | 2.09 | 302 | 2.44 | +http://www.bing.com/bingbot.htm |
| 8 | 498 | 1.33 | 122 | 0.99 | +http://www.linkdex.com/bots/ |
| 9 | 241 | 0.64 | 10 | 0.08 | +http://www.semrush.com/bot.html |
| 10 | 212 | 0.57 | 96 | 0.78 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 98 | 0.26 | 19 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 68 | 0.18 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 13 | 57 | 0.15 | 6 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 14 | 39 | 0.10 | 15 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 32 | 0.09 | 2 | 0.02 | +http://megaindex.com/crawler |
| 16 | 28 | 0.07 | 25 | 0.20 | +http://www.uptime.com/uptimebot |
| 17 | 24 | 0.06 | 8 | 0.06 | http://www.botje.com/plukkie.htm |
| 18 | 18 | 0.05 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 19 | 14 | 0.04 | 5 | 0.04 | +http://www.exabot.com/go/robot |
| 20 | 12 | 0.03 | 6 | 0.05 | +http://duckduckgo.com |
| 21 | 10 | 0.03 | 5 | 0.04 | Windows 95 |
| 22 | 8 | 0.02 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 23 | 8 | 0.02 | 1 | 0.01 | Windows 98 |
| 24 | 6 | 0.02 | 3 | 0.02 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 25 | 5 | 0.01 | 3 | 0.02 | +http://sur.ly/bot.html |
| 26 | 4 | 0.01 | 3 | 0.02 | Windows 2000 |
| 27 | 4 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 28 | 3 | 0.01 | 0 | 0.00 | Windows XP |
| 29 | 3 | 0.01 | 0 | 0.00 | Windows ME |
| 30 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 31 | 2 | 0.01 | 1 | 0.01 | Windows CE |
| 32 | 2 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.1012; Windows NT ... |
| 33 | 2 | 0.01 | 2 | 0.02 | +http://www.google.com/bot.html,Yahoo! S... |
| 34 | 2 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.13; Windows NT 6.... |
| 35 | 2 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2019; Windows NT ... |
| 37 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 38 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 39 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
