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I'm good at HTML and CSS vs I'm good on HTML and CSS

The correct phrase is "I'm good at HTML and CSS." The preposition 'at' is used to indicate proficiency or skill in a particular subject or activity. 'On' is not typically used in this context.

Last updated: March 15, 2024 • 797 views

I'm good at HTML and CSS

This phrase is correct and commonly used in English.

Use 'at' when talking about proficiency or skill in a particular subject or activity. In this case, 'I'm good at HTML and CSS' indicates that the speaker is skilled in using HTML and CSS.

Examples:

  • She's good at playing the piano.
  • He's good at math and science.
  • They're good at coding in Python.
  • I'm having big issues trying to solve this. I'm good at HTML and CSS but it's always hard for me to work with JS and jQuery , even more when it ...
  • up vote -1 down vote favorite. I'm mainly an inbound marketer, but I'm good at HTML and CSS. My knowledge doesn't go beyond these two.
  • I make my themes with ThemeFrame (a tool close to Artisteer). I'm good at html and css but zero in php language. So I'd appreciate a little help here. Here's an ...
  • Jul 12, 2014 ... I'm good at HTML and CSS. I'm good at some JavaScript, but I'm not, you know, mastering Node JS or anything like that. I feel comfortable ...

I'm good on HTML and CSS

This phrase is not correct in this context. 'On' is not used to indicate proficiency or skill in a subject or activity.


Alternatives:

  • I'm good at HTML and CSS

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