Fix Cumulative Layout Shift Issues

How to optimize swaminarayanuniversity.ac.in

Generic SiteScore: 40/100Analyzed April 2026Re-analyze this site

Fix Cumulative Layout Shift Issues

High Impact+25 points estimated

Why It Matters

Your CLS score of 0.87 is extremely poor (needs <0.1) causing major visual instability that hurts user experience.

How to Fix

Add explicit width and height attributes to all images, especially the About Image and Exchange Idea Icon. Preload the Yantramanav fonts using <link rel='preload'> to prevent font swap layout shifts. Reserve space for dynamic content with CSS aspect-ratio or min-height properties.

0Poor

What This Score Means

A score of 40 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.

Core Web Vitals Analysis

LCP

Largest Contentful Paint

7.8s
Poor

Good: < 2.5s

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

INP

Interaction to Next Paint

99ms
Good

Good: < 200ms

Measures how quickly the page responds to user interactions

CLS

Cumulative Layout Shift

0.87
Poor

Good: < 0.1

Measures visual stability - how much content shifts during page load

AI Performance Analysis

This university website has poor performance with a concerning score of 40/100, indicating significant issues that hurt user experience. The biggest problem is extremely high layout shift (0.87 CLS score), where page content jumps around as images load without proper dimensions, making the site feel unstable and difficult to use. Additionally, the site suffers from a very slow Largest Contentful Paint of 7.8 seconds due to oversized images that could save over 3MB through modern formats like WebP and proper sizing. Fixing image dimensions to prevent layout shifts and optimizing the massive image files would dramatically improve both stability and loading speed, potentially boosting the performance score by 30+ points.

Other Optimization Recommendations

Optimize Image Delivery and Compression

High Impact+18 points estimated

Why It Matters:

Images waste 3,101 KiB and delay LCP by 2.65 seconds due to oversized files and poor formats.

How to Fix:

Convert testimonial images from PNG/JPG to WebP format for 50-70% size reduction. Resize images to match display dimensions (testimonials should be 110px not 800px). Add fetchpriority='high' to the hero image and implement responsive images with srcset attributes.

Eliminate Render-Blocking CSS Resources

High Impact+15 points estimated

Why It Matters:

Render-blocking CSS delays First Contentful Paint by 2.56 seconds, preventing users from seeing content quickly.

How to Fix:

Inline critical CSS for above-the-fold content directly in the HTML head. Defer non-critical CSS like FontAwesome (99.5% unused) using media='print' onload='this.media="all"'. Remove unused CSS rules from Bootstrap and custom stylesheets to reduce payload by 141 KiB.

Keep Your Site Fast After Optimization

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