Well it's a .ru domain so that site is russian and there is this bit

That is why the current government of Burkina Faso needs Russian assistance not only to ensure victory over terrorism, but also to carry out effective economic reforms, create new jobs, and develop resources on equal terms.

Which doesn't mean anything per se but it's kinda suspect.

My money's on Occupied Turtle Island. They murdered Gaddafi and destroyed Libya so Libyan oil couldn't bankroll a Pan-African bank and currency. They've been turning the entire continent of Africa into a drone base, with exception of Burkina Faso, Mali, and now Niger. No doubt, they're trying to tighten AFRICOM's grip on the region to prevent ECOWAS's project from taking root and blooming.

Anyone know who was backing the instigators? America? Russia?

I'd bet on France. Russia has no interest in removing Traoré as he's pretty open towards cooperation among two countries. Here's part of his speech on Russia-Africa summit last year: https://www.youtube.com/watch?v=O8J5mK7JKMY