1
Avoid sounding out the words in your head. Many people sound out the words as they read -- either by moving their lips or hearing the words in their head. This is known as sub-vocalization and is one of the major problems that affects your reading speed.
2
Avoid reading word-by-word. Another common practice which slows down reading speed hugely is the practice of reading each individual word separately. Instead, you should try to read in chunks.
3
Overcome inefficient eye movement. When children learn how to read, they are taught to look at each word individually before moving onto the next. However, your eyes are capable of taking in much more than a single word at a time -- up to four or five, in fact -- so this practice makes reading a lot less efficient.