WebToolsHUBHow to test your memory span
- Watch the digits appear one by one — do not write them down.
- Type the sequence back in the order you saw it.
- Each successful round adds one more digit to the next sequence.
- One mistake ends the test; your maximum span is the longest sequence you recalled.
Frequently Asked Questions
What are the test rules?
Remember a briefly displayed digit sequence and type it after it disappears. A correct answer increases the sequence length by one; a mistake ends the test.
Can I adjust the difficulty?
Set the starting length (3/4/5) and display duration (400–3000ms).
Which metrics are tracked?
Current span, rounds passed, maximum span, and accuracy.
Is the data saved?
No. Results are shown only for that session and cleared on refresh.
What is a typical memory span?
Most adults recall around seven items — the classic "magical number seven" — with wide individual variation. The test shows where you land as the sequences grow.
How can I improve my span?
Chunking helps most: group digits into pairs or patterns instead of memorizing them one by one. Regular practice raises your reliable span a little at a time.
Is my best span saved?
Yes, your record is kept locally in the browser so future sessions can compare against it.
Technical References
- Short-Term Memory — Wikipedia: https://zh.wikipedia.org/wiki/%E7%9F%AD%E6%97%B6%E8%AE%B0%E5%BF%86