Use a pointer or your finger to guide your eyes. This can increase reading speed by 25%.

Follow the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds.

Write documentation as if the next person reading it is a violent psychopath who knows where you live.

Rubber Duck Debugging: explain your code line by line to an inanimate object.

Organize books by color for visual appeal or by genre for practical access.

Take brief notes after each chapter. Summarizing helps cement knowledge.