This paper on the sociolinguistic situation of Yiddish on the Internet, explores and describes the language in its practical and symbolic uses as cyber-vernacular and cyber-postvernacular respectively. An examination of language choice and use provides evidence for the growing use of Yiddish as cyber-postvernacular. It is also argued that Yiddish as a diaspora language has more to benefit from the Internet for constructing speech communities even in a postvernacular mode, but this potential has not been adequatly deployed yet.