for some reason, mangadex is really, really slow here. only MD.
youtube is fine.
insta is fine.
9gag is fine.
some other manga sites/scans group like leviatanscans,reaper scans, zero scans, bato.to, manganelo etc2 is, you guessed it. works just fine.
Phub is fine ( ͡° ͜ʖ ͡°).
only mangadex...