Performance preview
Preview your site at full speed
Drop in any URL to generate a before-and-after experience powered by our Cloudflare Worker. We defer the bloat, lazy-load the heavy bits, and show you how close you are to Core Web Vitals wins.
We fetch a single public page — no credentials or admin access required.
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Running your optimization preview — give us a few seconds.
- Fetching original HTML
- Applying SiteSpeedFix optimizations
- Preparing shareable links
Your optimized preview is ready
Share these links with your team to compare the original experience with the SiteSpeedFix worker boost.
Payload saved
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Optimization gain
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Original transfer
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What we tuned for this preview
- Lazy-loaded non-critical assets
- Cache-friendly edge delivery
- Deferred marketing and analytics scripts
Need a production-ready rollout? Book a strategy call and we’ll ship a worker tailored to your stack.