| Used Operating Systems |
| 1 | 9747 | 41.19 | 803 | 20.88 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 4230 | 17.88 | 1 | 0.03 | +http://megaindex.com/crawler |
| 3 | 2657 | 11.23 | 1111 | 28.89 | Windows NT |
| 4 | 1827 | 7.72 | 55 | 1.43 | http://mj12bot.com/ |
| 5 | 1326 | 5.60 | 291 | 7.57 | +http://ahrefs.com/robot/ |
| 6 | 977 | 4.13 | 174 | 4.52 | +http://napoveda.seznam.cz/en/seznambot-... |
| 7 | 584 | 2.47 | 436 | 11.34 | +http://www.baidu.com/search/spider.html |
| 8 | 415 | 1.75 | 169 | 4.39 | +http://www.google.com/bot.html |
| 9 | 367 | 1.55 | 94 | 2.44 | +http://yandex.com/bots |
| 10 | 304 | 1.28 | 147 | 3.82 | +http://www.bing.com/bingbot.htm |
| 11 | 236 | 1.00 | 50 | 1.30 | +http://www.linkdex.com/bots/ |
| 12 | 165 | 0.70 | 104 | 2.70 | Linux i686 [unknown version] |
| 13 | 132 | 0.56 | 116 | 3.02 | +http://www.uptime.com/uptimebot |
| 14 | 128 | 0.54 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 15 | 112 | 0.47 | 90 | 2.34 | Windows 95 |
| 16 | 80 | 0.34 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 17 | 62 | 0.26 | 27 | 0.70 | Windows 98 |
| 18 | 50 | 0.21 | 18 | 0.47 | Windows XP |
| 19 | 27 | 0.11 | 8 | 0.21 | +http://www.exabot.com/go/robot |
| 20 | 23 | 0.10 | 20 | 0.52 | Windows CE |
| 21 | 22 | 0.09 | 11 | 0.29 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 22 | 22 | 0.09 | 17 | 0.44 | Windows 3.1 |
| 23 | 18 | 0.08 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 24 | 17 | 0.07 | 16 | 0.42 | Auto; Windows |
| 25 | 17 | 0.07 | 16 | 0.42 | Windows ME |
| 26 | 17 | 0.07 | 15 | 0.39 | ) - BrowseX (2.0.0 Windows |
| 27 | 16 | 0.07 | 11 | 0.29 | MSIE 5.5; Windows NT 5.0 |
| 28 | 14 | 0.06 | 12 | 0.31 | Windows 2000 |
| 29 | 13 | 0.05 | 3 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 10 | 0.04 | 5 | 0.13 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 31 | 8 | 0.03 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 32 | 8 | 0.03 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 33 | 8 | 0.03 | 8 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 34 | 6 | 0.03 | 4 | 0.10 | +info@netcraft.com |
| 35 | 4 | 0.02 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 36 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 4 | 0.02 | 1 | 0.03 | +http://cliqz.com/company/cliqzbot |
| 38 | 2 | 0.01 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 39 | 2 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 40 | 2 | 0.01 | 1 | 0.03 | +http://duckduckgo.com |
| 41 | 1 | 0.00 | 1 | 0.03 | https://nmap.org/book/nse.html |
