<P> HTTP / 2 was published as RFC 7540 in May 2015 . </P> <Table> <Tr> <Th> Year </Th> <Th> HTTP Version </Th> </Tr> <Tr> <Td> 1991 </Td> <Td> 0.9 </Td> </Tr> <Tr> <Td> </Td> <Td> 1.0 </Td> </Tr> <Tr> <Td> </Td> <Td> 1.1 </Td> </Tr> <Tr> <Td> 2015 </Td> <Td> 2.0 </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> HTTP Version </Th> </Tr> <Tr> <Td> 1991 </Td> <Td> 0.9 </Td> </Tr>

Http stands for hypertext transfer protocol what does ftp stand for