| Used Operating Systems |
| 1 | 11897 | 62.83 | 264 | 7.12 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2444 | 12.91 | 2053 | 55.37 | +http://www.baidu.com/search/spider.html |
| 3 | 1513 | 7.99 | 492 | 13.27 | Windows NT |
| 4 | 1223 | 6.46 | 402 | 10.84 | +http://www.bing.com/bingbot.htm |
| 5 | 756 | 3.99 | 126 | 3.40 | +http://www.google.com/bot.html |
| 6 | 210 | 1.11 | 17 | 0.46 | +http://fulltext.sblog.cz/ |
| 7 | 197 | 1.04 | 86 | 2.32 | +http://yandex.com/bots |
| 8 | 179 | 0.95 | 73 | 1.97 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 88 | 0.46 | 27 | 0.73 | +http://www.linkdex.com/bots/ |
| 10 | 76 | 0.40 | 62 | 1.67 | +http://www.uptime.com/uptimebot |
| 11 | 36 | 0.19 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 12 | 36 | 0.19 | 4 | 0.11 | +http://webmeup-crawler.com/ |
| 13 | 33 | 0.17 | 15 | 0.40 | +http://ahrefs.com/robot/ |
| 14 | 31 | 0.16 | 17 | 0.46 | Windows XP |
| 15 | 30 | 0.16 | 10 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 20 | 0.11 | 1 | 0.03 | +http://www.privacyaware.org |
| 17 | 18 | 0.10 | 2 | 0.05 | http://crawler.007ac9.net/ |
| 18 | 18 | 0.10 | 7 | 0.19 | +http://www.exabot.com/go/robot |
| 19 | 16 | 0.08 | 2 | 0.05 | +http://megaindex.com/crawler |
| 20 | 16 | 0.08 | 6 | 0.16 | Windows 98 |
| 21 | 14 | 0.07 | 9 | 0.24 | Windows 95 |
| 22 | 12 | 0.06 | 1 | 0.03 | +http://www.linkpad.ru |
| 23 | 9 | 0.05 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 24 | 8 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 8 | 0.04 | 4 | 0.11 | +http://duckduckgo.com |
| 26 | 6 | 0.03 | 2 | 0.05 | Windows ME |
| 27 | 6 | 0.03 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 28 | 5 | 0.03 | 5 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 29 | 4 | 0.02 | 1 | 0.03 | +https://teeraid.com/bot/ |
| 30 | 3 | 0.02 | 2 | 0.05 | Windows 2000 |
| 31 | 3 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 32 | 3 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 3 | 0.02 | 2 | 0.05 | X11 |
| 34 | 2 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 35 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 36 | 2 | 0.01 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 37 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 39 | 1 | 0.01 | 1 | 0.03 | Windows CE |
| 40 | 1 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 41 | 1 | 0.01 | 1 | 0.03 | https://help.yahoo.com/kb/mail/yahoo-lin... |
