my fb and other social things are opening but main flipkart,olx,rediffmail,quiker are not opening and also improve ur browser bcauz my wifi speed is totally 20 mbps but it comes between 4 mbps to 13 mbps and today i check my speed test it cmng upto 7 mbps and 10 mbps infect it is not opening and my frnd say that firefox is best for u that"s why download it.when i go to frnd home his speed is upto 5mbps and his Google chrome is opening very fast and he also surf flipkart,olx,rediffand quiker also plz help me it is my request..........................................................plz...................