LCP
Largest Contentful Paint
7.5s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Eliminate Render Blocking CSS
How to optimize tyzot.com
Eliminate Render Blocking CSS
High Impact+25 points estimated
Why It Matters
Critical CSS files are blocking first paint for 2.2 seconds, severely delaying LCP and FCP.
How to Fix
In your Shopify theme, inline critical CSS for above-the-fold content in the <head>. Use Shopify's {% style %} tags for essential styles. Defer non-critical CSS like bootstrap.min.css and font-awesome using media='print' onload='this.media="all"' attribute.
0Needs Improvement
What This Score Means
A score of 57 falls in the "Needs Improvement" 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.
Core Web Vitals Analysis
INP
Interaction to Next Paint
179ms
Good
Good: < 200ms
Measures how quickly the page responds to user interactions
CLS
Cumulative Layout Shift
0.00
Good
Good: < 0.1
Measures visual stability - how much content shifts during page load
AI Performance Analysis
This Shopify store has poor performance with a score of 57/100, primarily due to render-blocking CSS files that are delaying page rendering by 2.2 seconds. The site's Largest Contentful Paint takes 7.5 seconds, which creates a frustrating user experience. The biggest opportunities for improvement are removing unused CSS (114 KB savings), optimizing JavaScript execution (307 KB of unused code), and compressing images (304 KB savings). Addressing the render-blocking resources first would provide the most immediate impact, potentially improving both First Contentful Paint and Largest Contentful Paint scores significantly.
Other Optimization Recommendations
Optimize Unused JavaScript Removal
High Impact+18 points estimatedWhy It Matters:
307 KiB of unused JavaScript is wasting bandwidth and blocking the main thread for 1.4 seconds.
How to Fix:
Remove or defer Google Analytics scripts by moving them to Shopify's customer_events or post-purchase pages. Use Shopify's Script Tag API to load tracking scripts asynchronously. Consider removing duplicate gtag.js instances and consolidate tracking into one implementation.
Compress Product Images Properly
Medium Impact+12 points estimatedWhy It Matters:
Product images waste 304 KiB and delay LCP by 150ms with oversized dimensions and poor compression.
How to Fix:
In Shopify admin, use responsive image URLs with proper sizing parameters (e.g., _679x679 instead of _900x900). Enable Shopify's automatic WebP conversion in theme settings. Use TinyPNG app to compress existing product images and set image compression quality to 80-85%.
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Eliminate Forced Reflows
PageFly page builder is causing 294ms of forced reflows, blocking the main thread and degrading user experience.
Optimize Product Images
Product images are oversized and poorly compressed, wasting 304 KiB and potentially delaying LCP.
Fix Massive Layout Shifts
Your CLS score of 0.839 is extremely poor due to web fonts and unsized images causing content to jump during page load.
Compress Product Images Properly
Product images waste 304 KiB and delay LCP by 150ms with oversized dimensions and poor compression.