Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
How to optimize smallflower.com
Unsized images are causing 0.144 CLS score, especially the banner image that shifts the entire header section.
Add explicit width and height attributes to the banner image in section-image-banner.liquid template. Set aspect-ratio CSS property for responsive images. Preload critical above-the-fold images using Shopify's image_url filter with priority='high'.
A score of 26 falls in the "Poor" range (50-89). While it is better than poor (0-49), you should aim for 90+ to provide an optimal user experience and maximize SEO benefits.
This site is slower than approximately 35% of similar sites. The main issues affecting performance are image optimization, JavaScript execution time, and layout stability.
Addressing these issues could improve your conversion rate by 15-20% and boost your search engine rankings.
Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Interaction to Next Paint
Good: < 200ms
Measures how quickly the page responds to user interactions
Cumulative Layout Shift
Good: < 0.1
Measures visual stability - how much content shifts during page load
This Shopify site has severe performance issues with a score of only 26/100. The biggest problem is excessive unused JavaScript code, which is wasting 1.2MB of data and slowing down page loading by 600 milliseconds. Third-party apps like Yotpo reviews, accessibility widgets, and tracking scripts are loading massive amounts of unnecessary code that's not being used. Removing or optimizing these scripts, along with fixing the unsized images that are causing layout shifts, could dramatically improve your Core Web Vitals and potentially double your performance score.
Why It Matters:
1,230 KiB of unused JavaScript is delaying LCP by 600ms and blocking critical rendering paths.
How to Fix:
Use Shopify's Script Tag API to conditionally load Yotpo, AccessiBe, and FastBundle scripts only where needed. Remove unused features from third-party apps through their admin panels. Enable code splitting in your theme's build process to load only required JavaScript per page.
Why It Matters:
Heavy third-party scripts like Sentry and Facebook Pixel are blocking the main thread for 5.6 seconds total.
How to Fix:
Move Sentry script to load after page interactive using defer attribute. Implement Facebook Pixel using Shopify's Customer Events API instead of direct fbevents.js. Use Shopify's Web Pixels API for other tracking scripts to load them asynchronously.
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More Shopify Speed Tests
Heavy third-party scripts like Sentry and Facebook Pixel are blocking the main thread for 5.6 seconds total.
1,230 KiB of unused JavaScript is delaying LCP by 600ms and blocking critical rendering paths.
57KB of unused JavaScript wastes bandwidth and slows page loading, especially on mobile connections.
Critical CSS files delay First Contentful Paint by 300ms, making pages appear slower to users.