Open methodology · 60 lessons

How does A1 news differ from A2 news?

We measured a fixed sample of public LinguaDrop lessons in English, French, and Lithuanian. The result is a descriptive benchmark of text length, sentence size, and vocabulary variety—not a claim that a formula can validate CEFR proficiency.

60

public lessons

3

target languages

10

lessons per language and level

A1 and A2 results

Snapshot: 2026-08-16. Each row is a mean over 10 lessons.

Readability measurements for A1 and A2 LinguaDrop news lessons in English, French, and Lithuanian
LanguageCEFR settingLessonsWords / lessonWords / sentenceUnique-word share
EnglishA11069.58.678.7%
EnglishA21077.67.876.8%
FrenchA110619.179.4%
FrenchA21095.610.975%
LithuanianA11041.85.889.1%
LithuanianA21065.67.587.8%

What the snapshot does—and does not—show

A2 lessons are longer than A1 lessons in all three sampled languages. Sentence length does not rise uniformly: the English A2 sample has fewer words per sentence than its A1 sample. That is why we publish the rows instead of compressing them into a universal “readability score.”

Reproducible methodology

  1. 1

    Freeze a bounded public sample

    We selected the 10 most recent A1 and A2 lessons for each target language from the first 2,000 public API rows. The rule, lesson IDs, public URLs, and snapshot date are checked in.

  2. 2

    Measure only the adapted text

    The parser keeps target-language sentences and removes the interleaved source translation and vocabulary gloss lines. No user data, private corpus, or original full news article is included in the download.

  3. 3

    Use language-aware segmentation

    JavaScript’s Intl.Segmenter counts words and sentences using the target-language locale. Unique-word share is lowercased orthographic types divided by words.

  4. 4

    Generate the page from the snapshot

    A deterministic repository script calculates all six table rows and the CSV. The test suite fails if generated numbers drift from the checked-in source snapshot.

Inspect representative lessons

Every CSV row links to the complete public lesson and its publisher credit. These six links provide one example from each measured band.

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