Clearing all cookies and site data stored by { -brand-short-name } may sign you out of websites and remove offline web content. Clearing cache data will not affect your logins.
Gall glirio'r oll gwcis a data gwefan wedi eu cadw gan { -brand-short-name } eich allgofnodi o wefannau a thynnu cynnwys all-lein gwe. Ni fydd clirio data storfa dros dro yn effeithio ar eich mewngofnodion.