what is this robot?

[420]

maybe a silly question but i was just looking at the current visitors and see this;

1. Robot: Yandex​

   • Viewing member profile 420
   • 8 minutes ago
2. 
   

   Robot: Yandex​

   • Viewing member profile 420
   • 8 minutes ago

who or what is this robot, and why is it looking at my profile? xD

edit: there is also a google robot;

Robot: Google​

• Viewing thread Fingerprint Always On Setting
• 9 minutes ago

 

[MacroDroidDev]

I assume it's just the search engines crawling the pages in order to feed their monstrous data engines. (Yandex is like a Russian equivalent of Google)