| Used Operating Systems |
| 1 | 106726 | 78.20 | 569 | 5.47 | http://mj12bot.com/ |
| 2 | 11964 | 8.77 | 6731 | 64.65 | +http://ahrefs.com/robot/ |
| 3 | 10863 | 7.96 | 410 | 3.94 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 2461 | 1.80 | 1265 | 12.15 | Windows NT |
| 5 | 1314 | 0.96 | 515 | 4.95 | +http://www.linkdex.com/bots/ |
| 6 | 1163 | 0.85 | 415 | 3.99 | +http://www.bing.com/bingbot.htm |
| 7 | 882 | 0.65 | 77 | 0.74 | +http://yandex.com/bots |
| 8 | 416 | 0.30 | 174 | 1.67 | +http://www.google.com/bot.html |
| 9 | 215 | 0.16 | 65 | 0.62 | +http://www.semrush.com/bot.html |
| 10 | 154 | 0.11 | 58 | 0.56 | +http://help.coccoc.com/searchengine |
| 11 | 69 | 0.05 | 61 | 0.59 | +http://www.uptime.com/uptimebot |
| 12 | 69 | 0.05 | 7 | 0.07 | +http://www.seokicks.de/robot.html |
| 13 | 48 | 0.04 | 19 | 0.18 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 40 | 0.03 | 4 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 15 | 22 | 0.02 | 2 | 0.02 | +http://siteexplorer.info/Backlink-Check... |
| 16 | 16 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 17 | 12 | 0.01 | 6 | 0.06 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 18 | 8 | 0.01 | 8 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 19 | 8 | 0.01 | 4 | 0.04 | +http://duckduckgo.com |
| 20 | 6 | 0.00 | 3 | 0.03 | +http://botw.org |
| 21 | 5 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 22 | 4 | 0.00 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 4 | 0.00 | 4 | 0.04 | +http://glutenfreepleasure.com/ |
| 24 | 4 | 0.00 | 2 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 3 | 0.00 | 3 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 26 | 2 | 0.00 | 2 | 0.02 | Windows 95 |
| 27 | 2 | 0.00 | 2 | 0.02 | Windows 3.1 |
| 28 | 2 | 0.00 | 2 | 0.02 | +http://alphaseobot.com/bot.html |
| 29 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 30 | 1 | 0.00 | 0 | 0.00 | +https://extlinks.com/Bot.html |
| 31 | 1 | 0.00 | 1 | 0.01 | Windows 98 |
