| Used Operating Systems by Visits |
| 1 | 5807 | 14.27 | 4086 | 49.26 | +http://ahrefs.com/robot/ |
| 2 | 2311 | 5.68 | 2053 | 24.75 | +http://www.baidu.com/search/spider.html |
| 3 | 2140 | 5.26 | 562 | 6.78 | Windows NT |
| 4 | 4188 | 10.29 | 512 | 6.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 897 | 2.20 | 280 | 3.38 | +http://www.bing.com/bingbot.htm |
| 6 | 686 | 1.69 | 269 | 3.24 | +http://www.google.com/bot.html |
| 7 | 20441 | 50.23 | 245 | 2.95 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 347 | 0.85 | 89 | 1.07 | +http://yandex.com/bots |
| 9 | 59 | 0.14 | 52 | 0.63 | +http://www.uptime.com/uptimebot |
| 10 | 173 | 0.43 | 37 | 0.45 | +http://www.linkdex.com/bots/ |
| 11 | 29 | 0.07 | 17 | 0.20 | Windows 95 |
| 12 | 26 | 0.06 | 14 | 0.17 | Windows 98 |
| 13 | 3410 | 8.38 | 13 | 0.16 | +http://www.warebay.com/bot.html |
| 14 | 11 | 0.03 | 9 | 0.11 | Windows XP |
| 15 | 18 | 0.04 | 9 | 0.11 | +http://www.exabot.com/go/robot |
| 16 | 23 | 0.06 | 7 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 16 | 0.04 | 6 | 0.07 | +http://help.coccoc.com/ |
| 18 | 5 | 0.01 | 5 | 0.06 | http://www.bing.com/bingbot.htm |
| 19 | 24 | 0.06 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 20 | 8 | 0.02 | 4 | 0.05 | +http://duckduckgo.com |
| 21 | 27 | 0.07 | 3 | 0.04 | +http://webmeup-crawler.com/ |
| 22 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 23 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 24 | 4 | 0.01 | 2 | 0.02 | +http://fulltext.sblog.cz/ |
| 25 | 3 | 0.01 | 1 | 0.01 | Windows 2000 |
| 26 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 27 | 7 | 0.02 | 1 | 0.01 | +http://www.privacyaware.org |
| 28 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 29 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 30 | 6 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 31 | 7 | 0.02 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 32 | 5 | 0.01 | 1 | 0.01 | +http://megaindex.com/crawler |
| 33 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 34 | 2 | 0.00 | 1 | 0.01 | X11 |
| 35 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 36 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 1 | 0.00 | 0 | 0.00 | FreeBSD [unknown version] |
| 38 | 1 | 0.00 | 0 | 0.00 | Win32; Trident/7.0 |
| 39 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 40 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
