Quick answer
What Keyboard Repeat Test tells you
Hold a key to estimate the delay before repeat and the repeat interval reported by the browser.
- Observed here
- Initial key press, Repeat delay estimate, Repeat interval estimate.
- How to interpret it
- Repeated keydown events while a key is held show the repeat behavior delivered by the operating system and browser. Their intervals are session measurements, not switch debounce or firmware latency measurements.
- Important limit
- Results reflect events and values exposed by this browser.
- Data handling
- Key events and typed text stay in this browser. They are not sent to our server or analytics.
Useful next comparison: Hold one ordinary character key, compare the first-repeat delay and later intervals, then change only the operating-system repeat setting.
Understanding the result
What a result means
Normal repeat begins after a measurable hold delay and then produces repeat events at an interval. Duplicate down/up cycles from a quick tap are different and can indicate chatter, a macro or application processing rather than the configured repeat rate.
Confirm the pattern by repeating initial key press. Results reflect events and values exposed by this browser.
How to use this test
- Read the privacy and compatibility notes.
- Start the test and interact only inside the marked test area.
- Repeat the action several times and compare the live indicators.
- Use the troubleshooting section before deciding that hardware is faulty.
What this test checks
- Initial key press
- Repeat delay estimate
- Repeat interval estimate
- Repeat event count
What this test cannot check
Results reflect events and values exposed by this browser.
This test does not certify hardware or replace professional inspection.
Common problems and troubleshooting
Tap the key several times before holding it, then compare the first-repeat delay with the later interval. Disable remapping software temporarily and repeat on another key or computer if duplicate taps appear without a deliberate hold.
- Repeat the same observation. Focus the test surface and repeat “Initial key press” three times under the same conditions.
- Change one condition. Compare “Repeat delay estimate” after changing only the relevant port, connection, browser setting or application.
- Rule out focus or interception. Close overlays and reserved shortcuts, keep the page visible and confirm that the live indicator changes during the action.
- Keep the result within its limit. Results reflect events and values exposed by this browser.
If the same pattern remains across relevant applications and connections, give the manufacturer or a qualified technician the repeatable observations instead of a guessed fault label.
Browser compatibility
Repeat timing is scheduled by the operating system and delivered through browser events, so background load and focus changes affect the estimate. Mobile keyboards and some accessibility tools may not expose repeat events in the same way.
| Browser | Reference status | Evidence basis | Version | Notes | Checked |
|---|---|---|---|---|---|
| Chrome | Supported | Expected baseline | Not recorded | Feature detection is authoritative; permissions, platform and device support can change availability. | 2026-08-27 |
| Microsoft Edge | Supported | Expected baseline | Not recorded | Feature detection is authoritative; permissions, platform and device support can change availability. | 2026-08-27 |
| Firefox | Partial | Expected baseline | Not recorded | Feature detection is authoritative; permissions, platform and device support can change availability. | 2026-08-27 |
| Safari | Partial | Expected baseline | Not recorded | Feature detection is authoritative; permissions, platform and device support can change availability. | 2026-08-27 |
Privacy information
Key events and typed text stay in this browser. They are not sent to our server or analytics.
The public analytics allowlist does not accept pressed keys, typed text, pointer coordinates, media labels, device IDs, recordings, video frames or controller input. Test results are not written to LocalStorage.
Primary technical references
These specifications define the browser signals used by this test. They document web-platform behavior; they do not certify a particular device.
Frequently asked questions
Is this Keyboard Repeat Test free?
Yes. The test works without an account, download or payment.
Is my test data uploaded?
Key events and typed text stay in this browser. They are not sent to our server or analytics.
Does this result prove my hardware is faulty?
No. It shows what the browser can observe. Repeat the test, compare another browser or device, and seek qualified support when the result matters.