| Used Operating Systems |
| 1 | 20291 | 56.59 | 188 | 8.69 | http://mj12bot.com/ |
| 2 | 10700 | 29.84 | 605 | 27.97 | Windows NT |
| 3 | 728 | 2.03 | 340 | 15.72 | +http://www.baidu.com/search/spider.html |
| 4 | 668 | 1.86 | 220 | 10.17 | +http://ahrefs.com/robot/ |
| 5 | 668 | 1.86 | 102 | 4.72 | +http://yandex.com/bots |
| 6 | 661 | 1.84 | 136 | 6.29 | +http://www.linkdex.com/bots/ |
| 7 | 558 | 1.56 | 92 | 4.25 | +http://www.google.com/bot.html |
| 8 | 518 | 1.44 | 117 | 5.41 | +http://www.bing.com/bingbot.htm |
| 9 | 141 | 0.39 | 4 | 0.18 | +http://www.semrush.com/bot.html |
| 10 | 115 | 0.32 | 106 | 4.90 | +http://www.uptime.com/uptimebot |
| 11 | 96 | 0.27 | 6 | 0.28 | +http://OpenLinkProfiler.org/bot |
| 12 | 88 | 0.25 | 69 | 3.19 | +http://megogoserial.ru |
| 13 | 85 | 0.24 | 28 | 1.29 | Windows XP |
| 14 | 84 | 0.23 | 4 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 73 | 0.20 | 24 | 1.11 | Windows 95 |
| 16 | 70 | 0.20 | 54 | 2.50 | +http://tiod.ru |
| 17 | 44 | 0.12 | 4 | 0.18 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 40 | 0.11 | 4 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 28 | 0.08 | 2 | 0.09 | +http://megaindex.com/crawler |
| 20 | 20 | 0.06 | 6 | 0.28 | Auto; Windows |
| 21 | 18 | 0.05 | 2 | 0.09 | +http://cliqz.com/company/cliqzbot |
| 22 | 18 | 0.05 | 7 | 0.32 | Windows 98 |
| 23 | 17 | 0.05 | 6 | 0.28 | MSIE 5.5; Windows NT 5.0 |
| 24 | 16 | 0.04 | 7 | 0.32 | Windows ME |
| 25 | 16 | 0.04 | 6 | 0.28 | ) - BrowseX (2.0.0 Windows |
| 26 | 16 | 0.04 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 27 | 16 | 0.04 | 8 | 0.37 | +http://napoveda.seznam.cz/en/seznambot-... |
| 28 | 14 | 0.04 | 4 | 0.18 | Windows 2000 |
| 29 | 8 | 0.02 | 3 | 0.14 | Windows 3.1 |
| 30 | 8 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 31 | 6 | 0.02 | 0 | 0.00 | Linux i686 [unknown version] |
| 32 | 6 | 0.02 | 2 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 33 | 4 | 0.01 | 0 | 0.00 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 34 | 4 | 0.01 | 2 | 0.09 | +info@netcraft.com |
| 35 | 3 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 36 | 2 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 37 | 2 | 0.01 | 2 | 0.09 | +http://www.id-search.xyz/bot.html |
| 38 | 2 | 0.01 | 1 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 40 | 1 | 0.00 | 1 | 0.05 | X11 |
| 41 | 1 | 0.00 | 1 | 0.05 | PPC Mac OS X 10.5 |
