Practical note
Band prediction becomes more useful when paired with transcript review.
A speaking calculator page attracts strong search intent because students want a simple answer: what might this response score and how do I improve it?
Band prediction becomes more useful when paired with transcript review.
Students usually need one next step, not only a score.
The fastest improvement comes from score estimate plus retry.
Use the tool as a simple entry point, then move into one real speaking attempt while the idea is still fresh.