3 ms·HTTP supports range requests, which can be used to resume partial downloads.by LambdaComplex 6y agoHTTP supports range requests, which can be used to resume partial downloads.duskwuff 6y agoThat was added in HTTP/1.1 (1997), and even then it took a while for browsers and servers to support it.jandrese 6y agoServer support was spotty for a long time. Browser support was also slow to appear.