| Used Operating Systems |
| 1 | 11933 | 23.88 | 9783 | 59.59 | +http://ahrefs.com/robot/ |
| 2 | 9749 | 19.51 | 1 | 0.01 | +http://megaindex.com/crawler |
| 3 | 8634 | 17.28 | 70 | 0.43 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 6930 | 13.87 | 849 | 5.17 | Windows NT |
| 5 | 5360 | 10.72 | 4429 | 26.98 | +http://www.baidu.com/search/spider.html |
| 6 | 2702 | 5.41 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 1331 | 2.66 | 187 | 1.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 915 | 1.83 | 96 | 0.58 | +http://yandex.com/bots |
| 9 | 582 | 1.16 | 259 | 1.58 | +http://www.google.com/bot.html |
| 10 | 561 | 1.12 | 179 | 1.09 | +http://www.linkdex.com/bots/ |
| 11 | 256 | 0.51 | 159 | 0.97 | +http://www.bing.com/bingbot.htm |
| 12 | 179 | 0.36 | 23 | 0.14 | +http://www.semrush.com/bot.html |
| 13 | 152 | 0.30 | 141 | 0.86 | +http://www.xovibot.net/ |
| 14 | 143 | 0.29 | 67 | 0.41 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 99 | 0.20 | 9 | 0.05 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 93 | 0.19 | 38 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 89 | 0.18 | 30 | 0.18 | Windows 95 |
| 18 | 52 | 0.10 | 4 | 0.02 | +http://siteexplorer.info/ |
| 19 | 30 | 0.06 | 15 | 0.09 | Windows 98 |
| 20 | 27 | 0.05 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 21 | 27 | 0.05 | 14 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 19 | 0.04 | 5 | 0.03 | Windows 3.1 |
| 23 | 15 | 0.03 | 7 | 0.04 | Windows CE |
| 24 | 14 | 0.03 | 7 | 0.04 | Windows ME |
| 25 | 14 | 0.03 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 26 | 13 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 27 | 8 | 0.02 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 28 | 8 | 0.02 | 3 | 0.02 | +http://www.findxbot.com |
| 29 | 7 | 0.01 | 7 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 30 | 6 | 0.01 | 6 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 31 | 5 | 0.01 | 4 | 0.02 | Windows XP |
| 32 | 5 | 0.01 | 5 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 33 | 5 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 34 | 4 | 0.01 | 4 | 0.02 | Windows 2000 |
| 35 | 3 | 0.01 | 3 | 0.02 | Auto; Windows |
| 36 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020209 |
| 39 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
