| Used Operating Systems |
| 1 | 20205 | 64.57 | 213 | 3.87 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4807 | 15.36 | 3583 | 65.06 | +http://ahrefs.com/robot/ |
| 3 | 2260 | 7.22 | 126 | 2.29 | +http://yandex.com/bots |
| 4 | 1169 | 3.74 | 312 | 5.67 | Windows NT |
| 5 | 882 | 2.82 | 162 | 2.94 | +http://www.bing.com/bingbot.htm |
| 6 | 802 | 2.56 | 719 | 13.06 | +http://www.baidu.com/search/spider.html |
| 7 | 715 | 2.29 | 123 | 2.23 | +http://www.google.com/bot.html |
| 8 | 218 | 0.70 | 142 | 2.58 | +http://www.linkdex.com/bots/ |
| 9 | 60 | 0.19 | 7 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 33 | 0.11 | 18 | 0.33 | Windows 98 |
| 11 | 24 | 0.08 | 22 | 0.40 | Windows 95 |
| 12 | 17 | 0.05 | 8 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 15 | 0.05 | 11 | 0.20 | +http://www.semrush.com/bot.html |
| 14 | 12 | 0.04 | 9 | 0.16 | Windows 3.1 |
| 15 | 12 | 0.04 | 12 | 0.22 | MSIE 5.5; Windows NT 4.0 |
| 16 | 8 | 0.03 | 2 | 0.04 | +http://megaindex.com/crawler |
| 17 | 8 | 0.03 | 4 | 0.07 | http://filterdb.iss.net/crawler/ |
| 18 | 7 | 0.02 | 5 | 0.09 | Windows XP |
| 19 | 6 | 0.02 | 3 | 0.05 | +http://www.exabot.com/go/robot |
| 20 | 5 | 0.02 | 4 | 0.07 | Windows ME |
| 21 | 4 | 0.01 | 2 | 0.04 | +https://www.mojeek.com/bot.html |
| 22 | 4 | 0.01 | 4 | 0.07 | +info@netcraft.com |
| 23 | 4 | 0.01 | 4 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 24 | 3 | 0.01 | 3 | 0.05 | Windows 2000 |
| 25 | 3 | 0.01 | 3 | 0.05 | Auto; Windows |
| 26 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 27 | 2 | 0.01 | 2 | 0.04 | Windows CE |
| 28 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 29 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |