| Used Operating Systems |
| 1 | 546 | 20.71 | 297 | 23.99 | Windows NT |
| 2 | 488 | 18.51 | 160 | 12.92 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 321 | 12.18 | 86 | 6.95 | +http://www.google.com/bot.html |
| 4 | 320 | 12.14 | 185 | 14.94 | +http://www.bing.com/bingbot.htm |
| 5 | 234 | 8.88 | 94 | 7.59 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 213 | 8.08 | 124 | 10.02 | +http://yandex.com/bots |
| 7 | 136 | 5.16 | 136 | 10.99 | +http://www.baidu.com/search/spider.html |
| 8 | 64 | 2.43 | 50 | 4.04 | +http://www.uptime.com/uptimebot |
| 9 | 45 | 1.71 | 5 | 0.40 | +http://OpenLinkProfiler.org/bot |
| 10 | 45 | 1.71 | 5 | 0.40 | +http://webmeup-crawler.com/ |
| 11 | 36 | 1.37 | 10 | 0.81 | +http://fulltext.sblog.cz/ |
| 12 | 27 | 1.02 | 15 | 1.21 | +http://ahrefs.com/robot/ |
| 13 | 18 | 0.68 | 2 | 0.16 | +https://www.lipperhey.com/en/about/ |
| 14 | 18 | 0.68 | 2 | 0.16 | http://crawler.007ac9.net/ |
| 15 | 17 | 0.64 | 8 | 0.65 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 16 | 0.61 | 2 | 0.16 | +http://megaindex.com/crawler |
| 17 | 14 | 0.53 | 10 | 0.81 | Windows 98 |
| 18 | 12 | 0.46 | 1 | 0.08 | +http://www.linkpad.ru |
| 19 | 10 | 0.38 | 5 | 0.40 | +http://www.exabot.com/go/robot |
| 20 | 6 | 0.23 | 2 | 0.16 | +http://www.privacyaware.org |
| 21 | 6 | 0.23 | 6 | 0.48 | Windows 95 |
| 22 | 4 | 0.15 | 4 | 0.32 | Windows CE |
| 23 | 4 | 0.15 | 4 | 0.32 | Windows 2000 |
| 24 | 4 | 0.15 | 3 | 0.24 | MSIE 5.5; Windows NT 5.0 |
| 25 | 4 | 0.15 | 2 | 0.16 | +info@netcraft.com |
| 26 | 4 | 0.15 | 0 | 0.00 | +http://siteexplorer.info/ |
| 27 | 3 | 0.11 | 3 | 0.24 | Auto; Windows |
| 28 | 3 | 0.11 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 29 | 3 | 0.11 | 3 | 0.24 | ) - BrowseX (2.0.0 Windows |
| 30 | 2 | 0.08 | 2 | 0.16 | http://nmap.org/book/nse.html |
| 31 | 2 | 0.08 | 2 | 0.16 | +https://gimmeusa.com/crawler.html |
| 32 | 2 | 0.08 | 2 | 0.16 | Windows XP |
| 33 | 2 | 0.08 | 2 | 0.16 | Linux i686 [unknown version] |
| 34 | 2 | 0.08 | 2 | 0.16 | Android 2.3.5 |
| 35 | 2 | 0.08 | 1 | 0.08 | X11 |
| 36 | 2 | 0.08 | 2 | 0.16 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 1 | 0.04 | 1 | 0.08 | MSIE 5.5; Windows NT 4.0 |
