| Used Operating Systems |
| 1 | 19674 | 47.85 | 167 | 3.51 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10616 | 25.82 | 1 | 0.02 | +http://megaindex.com/crawler |
| 3 | 3087 | 7.51 | 2730 | 57.35 | +http://www.baidu.com/search/spider.html |
| 4 | 2854 | 6.94 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 5 | 1383 | 3.36 | 516 | 10.84 | Windows NT |
| 6 | 911 | 2.22 | 398 | 8.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 707 | 1.72 | 265 | 5.57 | +http://www.bing.com/bingbot.htm |
| 8 | 536 | 1.30 | 66 | 1.39 | +http://www.semrush.com/bot.html |
| 9 | 350 | 0.85 | 169 | 3.55 | +http://www.google.com/bot.html |
| 10 | 261 | 0.63 | 72 | 1.51 | +http://www.linkdex.com/bots/ |
| 11 | 239 | 0.58 | 133 | 2.79 | +http://www.xovibot.net/ |
| 12 | 146 | 0.36 | 32 | 0.67 | +http://yandex.com/bots |
| 13 | 71 | 0.17 | 52 | 1.09 | Windows 95 |
| 14 | 53 | 0.13 | 27 | 0.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 39 | 0.09 | 12 | 0.25 | Windows 98 |
| 16 | 38 | 0.09 | 19 | 0.40 | +http://www.exabot.com/go/robot |
| 17 | 35 | 0.09 | 11 | 0.23 | Windows XP |
| 18 | 15 | 0.04 | 14 | 0.29 | Windows 3.1 |
| 19 | 12 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 20 | 11 | 0.03 | 11 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 21 | 10 | 0.02 | 10 | 0.21 | Windows CE |
| 22 | 10 | 0.02 | 10 | 0.21 | Windows 2000 |
| 23 | 10 | 0.02 | 8 | 0.17 | ) - BrowseX (2.0.0 Windows |
| 24 | 9 | 0.02 | 9 | 0.19 | Windows ME |
| 25 | 8 | 0.02 | 8 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 26 | 7 | 0.02 | 7 | 0.15 | Auto; Windows |
| 27 | 5 | 0.01 | 0 | 0.00 | Android |
| 28 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 30 | 2 | 0.00 | 1 | 0.02 | +http://duckduckgo.com |
| 31 | 2 | 0.00 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 32 | 1 | 0.00 | 1 | 0.02 | OpenBSD [unknown version] |
| 33 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 34 | 1 | 0.00 | 0 | 0.00 | SunOS sun4u |
| 35 | 1 | 0.00 | 0 | 0.00 | X11 |
| 36 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
