| Used Operating Systems |
| 1 | 26045 | 27.15 | 228 | 0.89 | http://mj12bot.com/ |
| 2 | 19050 | 19.86 | 16235 | 63.72 | +http://ahrefs.com/robot/ |
| 3 | 18294 | 19.07 | 738 | 2.90 | +http://yandex.com/bots |
| 4 | 12444 | 12.97 | 985 | 3.87 | Windows NT |
| 5 | 7296 | 7.61 | 6103 | 23.95 | +http://www.baidu.com/search/spider.html |
| 6 | 6400 | 6.67 | 1 | 0.00 | +http://megaindex.com/crawler |
| 7 | 1977 | 2.06 | 13 | 0.05 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 1663 | 1.73 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 935 | 0.97 | 274 | 1.08 | +http://www.linkdex.com/bots/ |
| 10 | 796 | 0.83 | 464 | 1.82 | +http://www.google.com/bot.html |
| 11 | 208 | 0.22 | 135 | 0.53 | +http://www.bing.com/bingbot.htm |
| 12 | 204 | 0.21 | 15 | 0.06 | +http://www.semrush.com/bot.html |
| 13 | 155 | 0.16 | 75 | 0.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 108 | 0.11 | 24 | 0.09 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 61 | 0.06 | 56 | 0.22 | +http://www.uptime.com/uptimebot |
| 16 | 59 | 0.06 | 31 | 0.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 49 | 0.05 | 22 | 0.09 | +http://www.exabot.com/go/robot |
| 18 | 31 | 0.03 | 13 | 0.05 | Windows XP |
| 19 | 24 | 0.03 | 13 | 0.05 | Windows 95 |
| 20 | 20 | 0.02 | 3 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 21 | 18 | 0.02 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 22 | 16 | 0.02 | 11 | 0.04 | Windows 98 |
| 23 | 15 | 0.02 | 5 | 0.02 | Windows CE |
| 24 | 8 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 25 | 7 | 0.01 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 26 | 5 | 0.01 | 2 | 0.01 | Auto; Windows |
| 27 | 5 | 0.01 | 3 | 0.01 | +http://sur.ly/bot.html |
| 28 | 5 | 0.01 | 4 | 0.02 | Windows ME |
| 29 | 4 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 30 | 3 | 0.00 | 3 | 0.01 | Windows 3.1 |
| 31 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 32 | 3 | 0.00 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 34 | 2 | 0.00 | 2 | 0.01 | +http://glutenfreepleasure.com/ |
| 35 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 36 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 37 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
