| Used Operating Systems by Visits |
| 1 | 8370 | 19.40 | 5451 | 45.53 | +http://ahrefs.com/robot/ |
| 2 | 5951 | 13.79 | 4271 | 35.67 | +http://www.baidu.com/search/spider.html |
| 3 | 2356 | 5.46 | 705 | 5.89 | Windows NT |
| 4 | 834 | 1.93 | 316 | 2.64 | +http://www.google.com/bot.html |
| 5 | 956 | 2.22 | 308 | 2.57 | +http://www.bing.com/bingbot.htm |
| 6 | 22652 | 52.50 | 267 | 2.23 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 637 | 1.48 | 159 | 1.33 | +http://yandex.com/bots |
| 8 | 439 | 1.02 | 132 | 1.10 | +http://www.linkdex.com/bots/ |
| 9 | 153 | 0.35 | 130 | 1.09 | +http://www.xovibot.net/ |
| 10 | 153 | 0.35 | 69 | 0.58 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 55 | 0.13 | 46 | 0.38 | +http://www.uptime.com/uptimebot |
| 12 | 58 | 0.13 | 24 | 0.20 | Windows XP |
| 13 | 34 | 0.08 | 18 | 0.15 | Windows 95 |
| 14 | 32 | 0.07 | 12 | 0.10 | Windows 98 |
| 15 | 28 | 0.06 | 11 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 5 | 0.01 | 5 | 0.04 | Windows 3.1 |
| 17 | 20 | 0.05 | 5 | 0.04 | +http://webmeup-crawler.com/ |
| 18 | 6 | 0.01 | 4 | 0.03 | Windows CE |
| 19 | 12 | 0.03 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 20 | 8 | 0.02 | 4 | 0.03 | +http://duckduckgo.com |
| 21 | 276 | 0.64 | 3 | 0.03 | +http://www.warebay.com/bot.html |
| 22 | 45 | 0.10 | 3 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 23 | 5 | 0.01 | 3 | 0.03 | Windows ME |
| 24 | 7 | 0.02 | 3 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 25 | 5 | 0.01 | 3 | 0.03 | +http://www.exabot.com/go/robot |
| 26 | 3 | 0.01 | 2 | 0.02 | Windows 2000 |
| 27 | 2 | 0.00 | 2 | 0.02 | +http://www.domaintuno.com/robot |
| 28 | 6 | 0.01 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 29 | 4 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 30 | 3 | 0.01 | 1 | 0.01 | Auto; Windows |
| 31 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 32 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 33 | 6 | 0.01 | 1 | 0.01 | +http://www.privacyaware.org |
| 34 | 7 | 0.02 | 1 | 0.01 | +info@netcraft.com |
| 35 | 2 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 36 | 1 | 0.00 | 1 | 0.01 | +http://megaindex.com/crawler |
| 37 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 4 | 0.01 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 40 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 42 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
