Find the entry point
Identify where your eye goes first and what directs it there: size, contrast, or position. Compare that point with the information the page seems to consider most important.
Trace the next step
Follow the route from heading to image and text. Note places where the design offers competing directions or where a useful pause appears.
Sketch the structure
Draw the spread as a set of simple blocks. This exposes the main relationships without being distracted by the appeal of a particular image.