Answer-first page
CEFR vocabulary growth: how can you estimate your gap?
CEFR gap estimation becomes practical when tied to measurable behavior.
Direct answer
Estimate your CEFR vocabulary gap by combining calibration signals with mastery progression, not by list size alone.
How it works
Placement Quiz, Unknown Words, and retention behavior define practical next-step goals.
Claim -> evidence
The CEFR estimator uses live session APIs and scoring_v1 server-side inference.
Who this is for
Learners targeting A2-B2-C1 progression.
Why does grammar-only work stall vocabulary growth?
Because lexical recall drives comprehension speed and expressive confidence.