Every second of delay costs you sales. Test your e-commerce site's performance, find the bottlenecks, and get a prioritized fix list — free.
Why store speed matters
Research consistently shows that every 100ms of added latency costs e-commerce sites 1% of revenue. For a store doing $50K/month, a 1-second improvement could mean $6K more per year.
What you get
See your store's overall performance grade and how it compares to Google's thresholds. Covers performance, accessibility, best practices, and SEO.
E-commerce sites are heavy with tracking pixels, chat widgets, and payment scripts. The waterfall exposes exactly which third-party scripts slow your store.
See which element is your Largest Contentful Paint — hero image, product photo, or text block. Know exactly what to optimize for faster perceived load.
Every fix is prioritized by estimated time savings. For e-commerce, faster pages mean more conversions — each recommendation is directly tied to revenue.
FAQ
Research consistently shows that every 100ms of added load time costs e-commerce sites approximately 1% of revenue. A 1-second delay in page load can reduce conversions by 7%. For a store doing $50K/month, improving load time by 1 second could mean an additional $3,500-6,000 per year.
Yes. DebugUtils tests any publicly accessible URL, including Shopify, WooCommerce, Magento, BigCommerce, and custom e-commerce stores. Just paste your store's URL and get a full performance report with scores, waterfall, and fix recommendations.
The top issues are: unoptimized product images (often 500KB+ each), too many tracking pixels and analytics tags loading synchronously, render-blocking theme JavaScript, heavy chat widgets loading on every page, and no lazy loading for below-the-fold images. The DebugUtils waterfall reveals all of these.
Yes. Google uses Core Web Vitals as a ranking signal for both organic search and Google Shopping results. Stores that pass Core Web Vitals thresholds get a ranking advantage. DebugUtils shows your Core Web Vitals alongside your Lighthouse scores so you can see exactly where you stand.
Every DebugUtils report has a permanent, shareable URL. Run a test, copy the link, and send it to your developer. They'll see the full waterfall, metrics, filmstrip, and prioritized fix list — everything they need to start optimizing.
How it works
Paste any URL. We handle normalization, redirects, and protocol detection.
Real Chrome browser runs Lighthouse and captures network data, screenshots, and video.
Scores, metrics, waterfall, filmstrip, video, and recommendations — ready in under 2 minutes.
Paste your URL, get a full report in under 2 minutes. No account needed.
Results are shareable via URL and stored for 90 days.