| Used Operating Systems |
| 1 | 11040 | 47.60 | 907 | 18.79 | Windows NT |
| 2 | 4301 | 18.54 | 171 | 3.54 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2747 | 11.84 | 1193 | 24.71 | +http://ahrefs.com/robot/ |
| 4 | 1910 | 8.23 | 1739 | 36.02 | +http://www.baidu.com/search/spider.html |
| 5 | 1232 | 5.31 | 279 | 5.78 | +http://www.bing.com/bingbot.htm |
| 6 | 488 | 2.10 | 170 | 3.52 | +http://www.google.com/bot.html |
| 7 | 224 | 0.97 | 20 | 0.41 | Windows 98 |
| 8 | 202 | 0.87 | 37 | 0.77 | +http://www.semrush.com/bot.html |
| 9 | 141 | 0.61 | 69 | 1.43 | +http://yandex.com/bots |
| 10 | 127 | 0.55 | 16 | 0.33 | +http://fulltext.sblog.cz/ |
| 11 | 64 | 0.28 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 12 | 62 | 0.27 | 25 | 0.52 | Windows XP |
| 13 | 57 | 0.25 | 5 | 0.10 | Linux [unknown version] |
| 14 | 55 | 0.24 | 48 | 0.99 | +http://www.uptime.com/uptimebot |
| 15 | 48 | 0.21 | 23 | 0.48 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 46 | 0.20 | 11 | 0.23 | +http://help.coccoc.com/ |
| 17 | 42 | 0.18 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 18 | 42 | 0.18 | 1 | 0.02 | +http://www.privacyaware.org |
| 19 | 39 | 0.17 | 1 | 0.02 | X11 |
| 20 | 38 | 0.16 | 14 | 0.29 | +http://www.linkdex.com/bots/ |
| 21 | 38 | 0.16 | 12 | 0.25 | +http://www.exabot.com/go/robot |
| 22 | 36 | 0.16 | 19 | 0.39 | Windows 95 |
| 23 | 34 | 0.15 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 24 | 30 | 0.13 | 2 | 0.04 | +http://megaindex.com/crawler |
| 25 | 25 | 0.11 | 24 | 0.50 | +http://www.xovibot.net/ |
| 26 | 23 | 0.10 | 1 | 0.02 | Android 2.3.5 |
| 27 | 19 | 0.08 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 28 | 16 | 0.07 | 5 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 29 | 14 | 0.06 | 1 | 0.02 | Linux i586 [unknown version] |
| 30 | 13 | 0.06 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 31 | 8 | 0.03 | 4 | 0.08 | Windows 2000 |
| 32 | 6 | 0.03 | 4 | 0.08 | Windows 3.1 |
| 33 | 5 | 0.02 | 3 | 0.06 | Auto; Windows |
| 34 | 5 | 0.02 | 3 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 35 | 4 | 0.02 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 36 | 4 | 0.02 | 2 | 0.04 | +http://duckduckgo.com |
| 37 | 2 | 0.01 | 2 | 0.04 | Windows CE |
| 38 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 39 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 40 | 1 | 0.00 | 1 | 0.02 | Windows ME |
| 41 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
