keep in practice.As with anything else,practice improves performance,so reading more often and widening the range of things you read will expand your vocabulary and improve your reading speed.
Use an appropriate reading technique.different styles of text require different levels of concentration. Do you spend hours reading a text in detail if you can get the information you need from it by skimming or scanning.
increase your vocabulary by tackling a wider range of reading material.you will often be a ble to work out the meaning of an unfamiliar word from the context