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Asked: 2026-05-23T02:40:00+00:00

I recently looked at the following question: How to disable text selection highlighting using

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I recently looked at the following question:

How to disable text selection highlighting using CSS?

Which nicely provided the answer to the immediate CSS problem I was facing. However, it made me wonder, how do you determine when it is safe to drop all the browser specific prefixes for CSS properties?

I know how the mechanics of this work, older browsers which require a prefix will of course always need a prefix, so I suppose the answer really depends on the browser usage statistics.

Is there a decent, simple, source of reference that can be used to determine whether all these prefixes are really required for a CSS property, e.g. if I use the user-select property without prefixes, I can guarantee 95% of browsers will interprit this correctly.

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  1. Editorial Team

    This is an excellent summary of browser support for pretty much every CSS property.

    However, I tend to use the browser-specific prefixes, as well as the non-specific rule, no matter what – it’s not exactly much extra work and it will mean those few people stuck on outdated browsers still see the page as you intended.

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