| Used Operating Systems |
| 1 | 10939 | 53.50 | 7921 | 57.32 | +http://ahrefs.com/robot/ |
| 2 | 4269 | 20.88 | 3622 | 26.21 | +http://www.baidu.com/search/spider.html |
| 3 | 989 | 4.84 | 40 | 0.29 | http://mj12bot.com/ |
| 4 | 900 | 4.40 | 436 | 3.16 | +http://www.google.com/bot.html |
| 5 | 540 | 2.64 | 30 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 539 | 2.64 | 108 | 0.78 | Windows NT |
| 7 | 518 | 2.53 | 177 | 1.28 | +http://www.bing.com/bingbot.htm |
| 8 | 174 | 0.85 | 172 | 1.24 | Windows 2007 |
| 9 | 169 | 0.83 | 165 | 1.19 | Windows 2003 |
| 10 | 167 | 0.82 | 162 | 1.17 | Windows 9 |
| 11 | 166 | 0.81 | 164 | 1.19 | Windows 2008 |
| 12 | 166 | 0.81 | 161 | 1.17 | Windows 2006 |
| 13 | 162 | 0.79 | 157 | 1.14 | Windows 2004 |
| 14 | 158 | 0.77 | 153 | 1.11 | Windows 2002 |
| 15 | 133 | 0.65 | 121 | 0.88 | +http://www.linkdex.com/bots/ |
| 16 | 131 | 0.64 | 130 | 0.94 | Windows 2005 |
| 17 | 74 | 0.36 | 35 | 0.25 | +http://yandex.com/bots |
| 18 | 38 | 0.19 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 19 | 34 | 0.17 | 17 | 0.12 | +http://napoveda.seznam.cz/en/seznambot-... |
| 20 | 30 | 0.15 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 21 | 18 | 0.09 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 22 | 13 | 0.06 | 6 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 12 | 0.06 | 3 | 0.02 | +https://gimmeusa.com/crawler.html |
| 24 | 12 | 0.06 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 11 | 0.05 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 26 | 10 | 0.05 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 27 | 10 | 0.05 | 1 | 0.01 | +http://megaindex.com/crawler |
| 28 | 10 | 0.05 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 29 | 9 | 0.04 | 5 | 0.04 | +https://www.mojeek.com/bot.html |
| 30 | 8 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 31 | 8 | 0.04 | 4 | 0.03 | +http://www.exabot.com/go/robot |
| 32 | 8 | 0.04 | 3 | 0.02 | +http://duckduckgo.com |
| 33 | 4 | 0.02 | 2 | 0.01 | http://www.businessseek.biz/ |
| 34 | 2 | 0.01 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 35 | 2 | 0.01 | 2 | 0.01 | +http://pmoz.info/doc/botinfo.htm |
| 36 | 2 | 0.01 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 37 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 2 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 39 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.01 | 2 | 0.01 | +http://www.uptime.com/uptimebot |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
