Webmaster Tools Me Crowl Error Fix Karke Search Ranking Better kare

Hello friends aaj me aapko bataunga ki search console me  error 404 not found,server connectivity and robot.txt fetch errors  kaise fix karte hai search console webmaster tools google ki best free service hai search console support ke dwara sabhi prakar ki site ko better search ranking bana sakte hai search console site ke bare me full information deta hai site