Free to Use

Compare Website Performance

Enter multiple URLs and instantly compare performance, SEO, accessibility, and Core Web Vitals side by side.

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Why Site Compare?

Everything you need to benchmark websites

Compare Multiple Sites

Analyze up to 10 websites at once and see how they stack up against each other.

Performance Metrics

View Lighthouse scores, Core Web Vitals, and key timing metrics in one place.

Spot Gaps

Identify where your competitors are beating you — and where you're ahead.

How it works

Three steps to actionable insights

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Enter URLs

Paste up to 10 website URLs you want to compare.

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Run Analysis

We run each site through Google PageSpeed Insights in parallel.

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Compare Results

View side-by-side scores, metrics, and download CSV reports.