| Used Operating Systems |
| 1 | 7367 | 34.22 | 73 | 1.11 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5036 | 23.39 | 4477 | 68.01 | +http://www.baidu.com/search/spider.html |
| 3 | 3035 | 14.10 | 41 | 0.62 | http://mj12bot.com/ |
| 4 | 1558 | 7.24 | 572 | 8.69 | +http://www.google.com/bot.html |
| 5 | 1448 | 6.73 | 418 | 6.35 | Windows NT |
| 6 | 1225 | 5.69 | 448 | 6.81 | +http://www.bing.com/bingbot.htm |
| 7 | 703 | 3.27 | 193 | 2.93 | +http://www.linkdex.com/bots/ |
| 8 | 318 | 1.48 | 78 | 1.18 | +http://yandex.com/bots |
| 9 | 194 | 0.90 | 83 | 1.26 | +http://ahrefs.com/robot/ |
| 10 | 187 | 0.87 | 95 | 1.44 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 87 | 0.40 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 12 | 67 | 0.31 | 24 | 0.36 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 45 | 0.21 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 14 | 44 | 0.20 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 15 | 33 | 0.15 | 3 | 0.05 | +http://www.seokicks.de/robot.html |
| 16 | 31 | 0.14 | 15 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 26 | 0.12 | 2 | 0.03 | Linux [unknown version] |
| 18 | 14 | 0.07 | 1 | 0.02 | +http://megaindex.com/crawler |
| 19 | 13 | 0.06 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 20 | 13 | 0.06 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 21 | 12 | 0.06 | 6 | 0.09 | +http://duckduckgo.com |
| 22 | 11 | 0.05 | 3 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 23 | 9 | 0.04 | 6 | 0.09 | Windows 98 |
| 24 | 8 | 0.04 | 4 | 0.06 | +http://www.exabot.com/go/robot |
| 25 | 7 | 0.03 | 6 | 0.09 | Windows 95 |
| 26 | 6 | 0.03 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 27 | 5 | 0.02 | 4 | 0.06 | +info@netcraft.com |
| 28 | 3 | 0.01 | 3 | 0.05 | Windows 2000 |
| 29 | 3 | 0.01 | 3 | 0.05 | Auto; Windows |
| 30 | 3 | 0.01 | 3 | 0.05 | +http://www.uptime.com/uptimebot |
| 31 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 32 | 3 | 0.01 | 1 | 0.02 | +http://siteexplorer.info/ |
| 33 | 2 | 0.01 | 1 | 0.02 | +https://gimmeusa.com/crawler.html |
| 34 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 35 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 36 | 2 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 37 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 38 | 1 | 0.00 | 1 | 0.02 | http://www.jambot.com/directory |
| 39 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.00 | 0 | 0.00 | X11 |
