Browse vocabulary coverage across real videos
Chinese Comprehension Tracker compares vocabulary lists against analyzed YouTube content, so you can inspect coverage, word frequency, and what is still missing.
Featured video
Coverage shown here is based on the built-in HSK and Core Chinese lists.
Top unknown words
| 萨萨 | — | ×25 | |
| 男生 | nánshēng | schoolboy; male student; ... | ×18 |
| 这样 | zhèyàng | this way; like this; ... | ×17 |
| 大学 | dàxué | university; college; ... | ×12 |
| 范范 | — | ×11 |
HSK vocabulary levels · video coverage
| Level | Coverage |
|---|---|
| HSK1 | 57% |
| HSK2 | 71% |
| HSK3 | 80% |
| HSK4 | 82% |
| HSK5 | 83% |
| HSK6 | 83% |
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Use your own vocabulary data
Accounts let you import decks, save word lists, and compute coverage from your own vocabulary instead of the shared demo lists.