Home / Technologies / Fluent UI vs Primer CSS
Fluent UI vs Primer CSS: who uses which
Fluent UI is on more sites: 315 against 58 for Primer CSS, about 5.4 times as many. Here's how they compare across the websites we've indexed, and where each one does best.
Where each one is used
| Domain | Fluent UI | Primer CSS |
|---|---|---|
| .com on .com | 138 | 32 |
| .uk in the UK | 29 | 0 |
| .io on .io | 6 | 10 |
| .org on .org | 14 | 0 |
| .radio on .radio | 11 | 0 |
| .net on .net | 9 | 1 |
| .au in Australia | 9 | 0 |
| .fr in France | 6 | 2 |
0 sites run both at once.
Questions
Which is more popular, Fluent UI or Primer CSS?
Fluent UI is on more sites: 315 against 58 for Primer CSS, about 5.4 times as many, across the sites StackGrep has indexed.
Do sites use Fluent UI and Primer CSS together?
0 sites load both. That's often a switch in progress, or two teams picking different tools.
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