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Distinguish Z-layout heuristics from observed F-shaped scanning

Summary

Use Z-shaped layouts as a design heuristic and F-shaped scanning as one observed pattern. Test real tasks across content, language, and screen sizes.

Published

Test information use instead of fixing every layout to an eye-movement shape

F-shaped scanning describes horizontal reading and movement down the left of content. Z-layout is a placement heuristic; the two should not be treated as equivalent proven laws.

Price and process discovery depends on content, language, viewport, and purpose, not just a button’s geometric position.

Understand F-scanning as one of several patterns

NN/G reports several patterns, including heading-focused scanning and mirrored F-scanning for right-to-left languages. (NN/G — F-Shaped Pattern of Reading on the Web)

Distinguish the content edge from the screen edge and avoid assuming top-left placement ensures reading.

Choose required information before a geometric layout

Select service, price, evidence, and contact details for the task. Structure headings and emphasise essential criteria.

Do not omit prices or steps to fit a Z diagram. Test mobile wrapping and changed placement separately.

Test finding information for a real task

Observe how users find prices or commissioning information. Record headings and links used and correct missing information, labels, or placement.

Retest the same task. Judge useful reading and action rather than reproducing a shape.

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Frequently asked questions

Q: Are the patterns universal?

A: Reading varies with content, language, and task.

Q: Should everything move left?

A: Use clear content and test actual placement.

Q: Is Z-layout a proven law?

A: Here it is a placement heuristic, distinct from observed F-scanning.

Q: Should I use the same layout on a phone?

A: Text wrapping and placement change with screen width. Test whether phone users can read the needed information and follow the relevant link.

Sources

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