| Used Operating Systems |
| 1 | 23467 | 46.49 | 220 | 1.68 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11396 | 22.58 | 8350 | 63.70 | +http://ahrefs.com/robot/ |
| 3 | 7373 | 14.61 | 362 | 2.76 | Windows NT |
| 4 | 4461 | 8.84 | 3428 | 26.15 | +http://www.baidu.com/search/spider.html |
| 5 | 1351 | 2.68 | 124 | 0.95 | +http://yandex.com/bots |
| 6 | 1040 | 2.06 | 214 | 1.63 | +http://www.bing.com/bingbot.htm |
| 7 | 569 | 1.13 | 158 | 1.21 | +http://www.google.com/bot.html |
| 8 | 327 | 0.65 | 3 | 0.02 | +http://www.semrush.com/bot.html |
| 9 | 142 | 0.28 | 130 | 0.99 | +http://www.xovibot.net/ |
| 10 | 96 | 0.19 | 38 | 0.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 63 | 0.12 | 7 | 0.05 | Windows 95 |
| 12 | 34 | 0.07 | 14 | 0.11 | +http://www.exabot.com/go/robot |
| 13 | 24 | 0.05 | 5 | 0.04 | +http://sur.ly/bot.html |
| 14 | 24 | 0.05 | 8 | 0.06 | Windows 98 |
| 15 | 20 | 0.04 | 10 | 0.08 | +http://www.linkdex.com/bots/ |
| 16 | 20 | 0.04 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 17 | 11 | 0.02 | 1 | 0.01 | Linux [unknown version] |
| 18 | 10 | 0.02 | 3 | 0.02 | Windows 2000 |
| 19 | 9 | 0.02 | 8 | 0.06 | Windows XP |
| 20 | 8 | 0.02 | 2 | 0.02 | +spider@seoscanners.net |
| 21 | 4 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 22 | 4 | 0.01 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 23 | 4 | 0.01 | 2 | 0.02 | Linux i586 [unknown version] |
| 24 | 4 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 26 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 27 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 28 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 29 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 30 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 31 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 32 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 1 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
