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Error Spotting

Train your attention to detail on the small interface flaws that slip through review and reach production. Free to play, no signup.

Start solo & challenge your friend later

Get your name on the leaderboard

Score high and claim your place in the hall of fame.

Go from spotting flaws to preventing them

Spotting defects is the start. Uxcel courses cover the rules behind them, in short interactive lessons.

Over 60 courses

Recognized certificates

Career paths & more

Tailwind is quick to write and surprisingly hard to read back. See how well you do.

Everyone writes prompts now. Far fewer can tell a good one from a lazy one.

Think you know HTML and CSS? Most of us use a fraction of it and overestimate the rest.

Designers trust their eye for color. This is where you find out how far that trust goes.

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