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description: "Dalton loads in under 50ms with zero impact on Core Web Vitals or SEO. No flicker, no layout shift, no ranking hit."
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# Performance & SEO

Dalton is designed for speed and has zero impact on your search rankings.

## Performance

### No Flickering

Dalton loads in under 50ms—users never see flickering or content shifts when experiments are applied.

### Minimal Impact on Load Times

We measure performance on pages before and after Dalton integration. Our findings show minimal practical impact, achieved through:

- **Edge Content Delivery** - Content optimized at the edge for fast global delivery
- **Efficient Payloads** - Minimized data transfer with smart optimizations


### Core Web Vitals

Zero impact on Core Web Vitals scores. No layout shifts, no performance degradation.

## SEO

**Dalton does not affect SEO.**

- Search engines see your original page content
- No cloaking or deceptive practices
- Changes happen client-side after the page loads
- Your organic rankings remain unaffected

Dalton optimizes for real visitors without impacting how search engines crawl and index your site.