Building for Mobile Web Compatibility

Last Wednesday’s Open Web Open Mic event at the Mozilla Toronto office was really great. 50-60 people from the Mozilla Toronto community gathered to discuss their projects via a science fair and a series of lightening talks. I had a good conversation about WebVTT with a group of Seneca students, learned about the upcoming Mini Maker Faire Toronto from Jenn Dodd, and discussed the use of What Can I Do For Mozilla for non coding work with Josh Matthews.

As this was an Open Web event, I took the opportunity to talk about Building for Mobile Web Compatibility.

Building for Mobile Web Compatibility title slide

The takeaways from this presentation are AVOID:

  • User Agent (UA) Detection
  • CSS Vendor Prefixes
  • Browser Specific Property/Feature Usage

Instead, PREFER:

  • Feature Detection and Media Queries
  • Web Standards

If you would like to see more, I have posted my slides on

Thank you to everyone who came out to this event and especially to Majken ‘Kensie’ Connor for pulling us all together.


About Lawrence Mandel

Firefox program manager
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2 Responses to Building for Mobile Web Compatibility

  1. Lawrence, does your definition of mobile web compatibility extend to devices that don’t support media queries and feature detection?

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