Screen Rotation Test
Test whether your display or device properly handles screen rotation and orientation changes.
Screen orientation API response and display rotation behavior are observed. Click Start Test and rotate your device or change orientation in display settings.
What does this test measure?
Screen orientation API response and display rotation behavior are observed.
Why is this test important?
Test whether your display or device properly handles screen rotation and orientation changes.
How do you run the test?
Click Start Test and rotate your device or change orientation in display settings.
How should results be interpreted?
Content should reflow correctly and remain crisp after rotation.
Normal and problematic results
Content should reflow correctly and remain crisp after rotation.
Technical limitations
Desktop monitors do not physically rotate; this test is most relevant for tablets and laptops.
Why can the score decrease?
Unstable measurements, denied permissions, unsupported browser APIs, background load, power saving, or an incomplete test can affect the result. When a score changes, the result screen explains the reason.
What should you do if a problem is found?
Enable auto-rotate in device settings, update display drivers, or check pivot settings.
Example Result Explanation
Frequently Asked Questions
Does this test provide a definitive hardware diagnosis?
No. The test measures signals the browser can safely access and clearly explains its technical limits.
Why can results change between runs?
Background applications, power mode, network conditions, permissions, and operating-system timing can affect results.
How should I repeat the test if I see a problem?
Repeat it on the same device and browser while changing only one condition, so the source of the difference is easier to identify.