Web page get blank in iphone 6

a web page pexels.com get blank whenever i try to browse that site . It opens for 1-2 seconds and then gets white blank . I tried to reset network settings and cleared safari data but still the same problem happening . I tried to use other browser apps like opera mini and other apps but there is also the same thing happening .

Im using iphone 6 with 12.5.5 iOS version