Eliminate Render Blocking Resources

How to optimize pagespeed.deployhq.com

Next.js SiteScore: 89/100Analyzed May 2026Re-analyze this site

Eliminate Render Blocking Resources

High Impact+8 points estimated

Why It Matters

CSS files are blocking initial render and delaying LCP by 2.55 seconds.

How to Fix

In your Next.js app, move critical CSS inline using styled-jsx or CSS-in-JS. Preload the Google Fonts using next/font for automatic optimization. Consider splitting CSS and loading non-critical styles asynchronously using next/dynamic.

0Needs Improvement

What This Score Means

A score of 89 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

LCP

Largest Contentful Paint

3.0s
Needs Improvement

Good: < 2.5s

Measures how long it takes for the main content to appear on screen

INP

Interaction to Next Paint

108ms
Good

Good: < 200ms

Measures how quickly the page responds to user interactions

CLS

Cumulative Layout Shift

0.03
Good

Good: < 0.1

Measures visual stability - how much content shifts during page load

AI Performance Analysis

This Next.js site has good overall performance with a score of 89/100, but there's a critical issue blocking optimal loading speeds. The biggest problem is render-blocking CSS and font files that are delaying both First Contentful Paint (2.9s) and Largest Contentful Paint (3.0s) by an estimated 2.5 seconds. The site is loading Google Fonts and CSS files synchronously, which prevents the page from rendering until these resources finish downloading. To significantly improve Core Web Vitals, you should inline critical CSS, preload fonts, and defer non-essential stylesheets to move these resources out of the critical rendering path.

Other Optimization Recommendations

Optimize JavaScript Bundle Size

High Impact+5 points estimated

Why It Matters:

25KB of unused JavaScript is being loaded unnecessarily, impacting performance.

How to Fix:

Enable tree-shaking in your Next.js build configuration. Use dynamic imports with next/dynamic for components not needed on initial load. Analyze your bundle with @next/bundle-analyzer to identify and remove unused dependencies.

Fix Forced Reflow Issues

Medium Impact+3 points estimated

Why It Matters:

JavaScript is forcing layout recalculations that block the main thread and hurt user interactions.

How to Fix:

Batch DOM reads and writes to avoid layout thrashing. Use CSS transforms instead of changing geometric properties. Implement React's useLayoutEffect sparingly and consider moving calculations to useEffect when possible.

Keep Your Site Fast After Optimization

Once your site is optimized, maintain that speed. Use DeployHQ for zero-downtime, automated deployments—so performance fixes and updates go live safely every time, without breaking your site.

Explore DeployHQ →Trusted by engineering teams shipping high-performance sites

Want to Analyze YOUR Website?

Get AI-powered performance insights with actionable fixes in 30 seconds

More Next.js Speed Tests

Next.js Performance Resources

Frequently Asked Questions