Code performance: free A1 English exercise for developers

Practice code performance in English with 9 interactive exercises built around real software development conversations. Part of the Talking about code topic at CEFR level A1. No sign-up required.

What you'll practice

• Vocabulary (6 exercises)
• Multiple choice (2 exercises)
• Fill the gap (1 exercise)

Sample questions from this lesson

• query
• fast
• slow
• Query A ___ fast.
• memory
• timeout

About CEFR level A1

A1 is the entry CEFR level: short sentences, the most common vocabulary, and simple present-tense conversations. Lingua-e A1 lessons add the developer context most general-purpose courses skip, like standups, code reviews, and one-on-ones. Learn more about CEFR levels.

Lesson URL: /a1/talking-about-code/code-performance