JavaScriptQuiz tests JavaScript knowledge through randomized questions.
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24 alternativesCSS Speedrun
CSS Speedrun tests CSS selector knowledge by asking users to find selectors that apply to elements.
About CSS Speedrun
CSS Speedrun is a web-based quiz that tests knowledge of CSS selectors. Each puzzle asks the user to write a selector that matches a particular set of elements, such as all elements marked with an arrow.
The homepage describes 10 puzzles. A timer starts once the first puzzle is solved correctly, and the page shows the elapsed time. Hint buttons are available, and a completed run can be shared from the page. The source does not describe pricing, accounts, or the difficulty of the puzzles.
Key features
- Ten selector puzzles, each requiring a CSS selector entered by the user
- Timer that starts after the first puzzle is solved correctly
- Hint buttons for each puzzle
- Answers submitted by pressing Enter or a submit button
- Option to share a result from the page
Best for: Learners who want to practice CSS selector syntax through short, timed puzzles.
Good for
- Practice is organized as a fixed set of 10 puzzles with a visible timer.
CSS Speedrun at a glance
- Website
- css-speedrun.netlify.app
- Category
- Education & Learning › Learn to Code
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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CSS Speedrun FAQ
How does the timer start?
The timer starts once the first puzzle is solved correctly.
How many puzzles are included?
The homepage describes 10 puzzles.
How do I submit an answer?
Enter the CSS selector and press Enter or the submit button.
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Tell us and an editor will check it.
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