Changed the MTU and so far so good thanks :)

We both have the same ISP but different models of router but both are tp-link. There are a few other sites that won't open too. Not tried the MTU size yet but will try your suggestions today and will...

Region : UnitedKingdom Model : TL-WR1043ND Hardware Version : v1 Firmware Version : ISP : Hi guys. Since yesterday (Friday 8th DEC) certain websites couldn't be accessed on any of our devices...