LCP
Largest Contentful Paint
3.6s
Needs Improvement
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Reduce Unused JavaScript Bundles
How to optimize mentimeter.com
Reduce Unused JavaScript Bundles
Medium Impact+8 points estimated
Why It Matters
445KB of unused JavaScript increases Time to Interactive to 11.9 seconds, severely impacting user experience.
How to Fix
Analyze your Next.js bundle with @next/bundle-analyzer to identify unused code. Implement code splitting using dynamic imports for the 6960 chunk (83KB unused). Remove or lazy-load the GTM script (87KB unused) and other tracking scripts until after page interaction.
0Needs Improvement
What This Score Means
A score of 78 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
101ms
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
The Mentimeter website (built with Next.js/React) has moderate performance issues with a score of 78/100, but suffers from severely slow interactivity taking nearly 12 seconds for the page to become fully responsive to user input. The biggest problems are multiple page redirects that waste 780ms and render-blocking CSS files that delay content visibility by 890ms - both quick wins that could significantly improve loading speed. The site also has substantial unused JavaScript (445 KiB) from Google Tag Manager and other scripts that aren't needed immediately, contributing to the sluggish performance. Fixing the redirects, optimizing CSS delivery, and removing unused code could easily boost the performance score into the 85+ range and dramatically improve user experience.
Other Optimization Recommendations
Eliminate Page Redirects Chain
High Impact+12 points estimatedWhy It Matters:
Redirects add 780ms delay and directly impact LCP by 800ms, creating unnecessary network round trips.
How to Fix:
Update all internal links and canonical URLs to point directly to https://www.mentimeter.com/ instead of https://mentimeter.com/. Configure your web server to serve the www version directly without redirecting. Update any marketing campaigns or external links to use the final URL.
Optimize CSS Delivery Strategy
High Impact+15 points estimatedWhy It Matters:
Render-blocking CSS delays First Contentful Paint by 900ms, preventing users from seeing content quickly.
How to Fix:
In your Next.js app, inline critical CSS for above-the-fold content directly in the document head. Use Next.js dynamic imports to load non-critical CSS chunks asynchronously. Split the large 54KB CSS file (de0f5a88bf231465.css) into smaller, page-specific modules using CSS-in-JS or CSS modules.
Keep Your Site Fast After Optimization
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Related Performance Analyses
More Next.js Speed Tests
Next.js Performance Resources
Optimize Cache Strategy
Poor caching configuration forces users to re-download resources on repeat visits, missing opportunities for faster load times.
Remove Unused JavaScript Code
356KB of unused JavaScript is bloating your bundle size and slowing down page load without providing value.
Eliminate Render-Blocking CSS Resources
CSS files are blocking initial page render and delaying FCP by 1 second, directly impacting user experience.
Optimize CSS Delivery Strategy
Render-blocking CSS delays First Contentful Paint by 900ms, preventing users from seeing content quickly.