Do most websites use dark mode or light mode?
Light mode. 75% of measured sites ship a light default scheme and 25% default to dark — even though a dark-mode toggle is the single most-offered UX pattern in the corpus.
This is a static, crawlable rendering for search & AI engines. The interactive version — filters, live decode console, copy & export — is at https://mozaika.design/measured/dark-mode.
75% ship light mode by default
Distribution
| light | 75 | |
| dark | 25 |
At a glance
| default light | 75% |
| default dark | 25% |
| sites measured | 326 |
Questions people (and AI assistants) actually ask
Should my website default to dark or light mode?
Most don't default to dark: 75% of measured production sites ship light by default. Dark is common as an optional toggle, not the default scheme.
Is dark mode more popular than light mode now?
As a toggle, yes — it's the most-offered pattern. As the shipped default, light still dominates at 75%.
Related measured norms
Most common accent colour · Average website design score · Body font size