# Default Browser Usage
> Default Browser Usage refers to the statistical trend of users utilizing the web browser pre-installed on their operating system. It is a key metric in antitrust law and web analytics, measuring the persistence of defaults like Microsoft Edge on Windows or Safari on macOS/iOS.
- URL: https://optimly.ai/brand/default-browser-usage
- Slug: default-browser-usage
- BAI Score: 2/100
- Archetype: Phantom
- Category: Information and Analytics
- Last Analyzed: April 11, 2026
## Competitors
- Apple Safari (https://optimly.ai/brand/apple-safari)
- Google Chrome (https://optimly.ai/brand/google-chrome)
- Mozilla Firefox (https://optimly.ai/brand/mozilla-firefox)