Absouletly yes. You will read and understand much better than before.

Studies showing that Speed reading improves your understanding ability.

People who reads slowly, can be distracted very easily, lose their concentration very quickly and they forget what they have read. Whereas, those who read fast, understands better.

Your reading speed at least will be doubled after 28 days practice.

Your reading speed may increase 3-four, even five times Dependıng on your effort and ability.