I seeing ads from other ad network which not done by me.

Hello sir, Today i notice that I see ads from other ad networks which never activate by me. I use only Google Adsense for monetizing my website. But If you go my website and explore 2-4 article you found ads from other ad networks.(adskeeper). I don’t know how to solve it and also i know it’s a problem which not related to rankmath. But I’m helpless and it’s only one my earning source for future. Please help me to solve this

My website name – computershiksha.in