LCP
Largest Contentful Paint
1.5s
Good
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Preload Critical JavaScript Files
How to optimize qamarero.astro.template.vercel.app
Preload Critical JavaScript Files
Medium Impact+2 points estimated
Why It Matters
The 45KB index.sGmLo0nR.js file loads last in the chain, delaying interactive functionality.
How to Fix
Add <link rel="preload" href="/_astro/index.sGmLo0nR.js" as="script"> to your HTML head. Also preload the navbar.js file since it triggers multiple dependent resources. This allows the browser to download these files in parallel rather than sequentially.
0Good
What This Score Means
A score of 100 falls in the "Good" 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
16ms
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 Astro website has excellent performance with a perfect score of 100/100, indicating fast loading times and good user experience. However, the site has a network dependency chain issue where JavaScript files are loading sequentially rather than in parallel, creating a waterfall effect that takes 161ms to complete. While this isn't currently impacting the performance score significantly, optimizing the JavaScript loading sequence by bundling related files or using preload hints could further reduce loading times. The site shows no preconnected origins, but analysis indicates no additional preconnect opportunities would provide meaningful benefits.
Other Optimization Recommendations
Bundle JavaScript Dependencies Together
High Impact+3 points estimatedWhy It Matters:
JavaScript dependency chains create 161ms delays by forcing the browser to wait for sequential resource downloads.
How to Fix:
Configure Astro's build to bundle related components like navbar.js and its dependencies (chevron-down, createLucideIcon, etc.) into fewer chunks. Use Vite's rollup options to create strategic bundles that reduce the chain depth from 3 levels to 1-2 levels.
Implement JavaScript Code Splitting
Medium Impact+1 points estimatedWhy It Matters:
Loading all JavaScript upfront blocks rendering even for components not immediately visible to users.
How to Fix:
Use Astro's client:load, client:idle, or client:visible directives to defer non-critical components. Move navbar dropdown and utility functions to load after initial page render. Configure dynamic imports for heavy components that appear below the fold.
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Implement Proper Font Loading
Web fonts cause layout shifts and block text rendering, delaying FCP by 610ms.
Optimize Critical Resource Loading
Render-blocking CSS delays FCP by 390ms and unused JavaScript wastes 97KB of bandwidth.
Fix Image Layout Shifts
Unsized images cause 0.417 CLS score, severely hurting user experience and Core Web Vitals.
Implement JavaScript Code Splitting
Loading all JavaScript upfront blocks rendering even for components not immediately visible to users.