| Used Operating Systems |
| 1 | 106558 | 68.87 | 616 | 4.74 | http://mj12bot.com/ |
| 2 | 25752 | 16.64 | 421 | 3.24 | +http://yandex.com/bots |
| 3 | 12423 | 8.03 | 7023 | 54.09 | +http://ahrefs.com/robot/ |
| 4 | 5089 | 3.29 | 3302 | 25.43 | +http://www.baidu.com/search/spider.html |
| 5 | 1928 | 1.25 | 514 | 3.96 | +http://www.google.com/bot.html |
| 6 | 961 | 0.62 | 421 | 3.24 | +http://www.linkdex.com/bots/ |
| 7 | 575 | 0.37 | 122 | 0.94 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 530 | 0.34 | 244 | 1.88 | Windows NT |
| 9 | 501 | 0.32 | 217 | 1.67 | +http://www.bing.com/bingbot.htm |
| 10 | 98 | 0.06 | 14 | 0.11 | +http://help.coccoc.com/searchengine |
| 11 | 46 | 0.03 | 19 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 30 | 0.02 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 13 | 27 | 0.02 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 14 | 26 | 0.02 | 4 | 0.03 | +http://www.semrush.com/bot.html |
| 15 | 25 | 0.02 | 19 | 0.15 | +http://www.uptime.com/uptimebot |
| 16 | 24 | 0.02 | 11 | 0.08 | +http://duckduckgo.com |
| 17 | 23 | 0.01 | 2 | 0.02 | +http://siteexplorer.info/Backlink-Check... |
| 18 | 22 | 0.01 | 2 | 0.02 | +http://www.warebay.com/bot.html |
| 19 | 22 | 0.01 | 6 | 0.05 | +http://www.exabot.com/go/robot |
| 20 | 20 | 0.01 | 6 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 20 | 0.01 | 2 | 0.02 | +http://megaindex.com/crawler |
| 22 | 9 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 23 | 4 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 24 | 4 | 0.00 | 2 | 0.02 | +http://www.findxbot.com |
| 25 | 2 | 0.00 | 2 | 0.02 | Windows 3.1 |
| 26 | 2 | 0.00 | 1 | 0.01 | Windows 98 |
| 27 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 29 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
