Optimize Image Sizes and Delivery

How to optimize filizkozmetik.net

Next.js SiteScore: 67/100Analyzed May 2026Re-analyze this site

Optimize Image Sizes and Delivery

High Impact+25 points estimated

Why It Matters

Oversized images are causing a 3.5 second LCP delay and consuming 16MB of unnecessary bandwidth.

How to Fix

Implement Next.js Image component with responsive sizes for washing-unit.jpg, salon-station.jpg, and barber-chair.jpg. Resize source images to match display dimensions (665x665px max). Use next/image with WebP format and proper srcSet for different screen sizes.

0Needs Improvement

What This Score Means

A score of 67 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

14.4s
Poor

Good: < 2.5s

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

INP

Interaction to Next Paint

79ms
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 Next.js site has poor performance with a score of 67/100, struggling significantly with Core Web Vitals. The biggest problem is massive, unoptimized images that are causing extremely slow loading times - your Largest Contentful Paint takes a concerning 14.4 seconds, and images alone could be reduced by over 16MB. The site is serving high-resolution images (5000x3368 pixels) for much smaller display areas, while also suffering from render-blocking CSS and excessive unused JavaScript from Google Analytics and React components. Implementing responsive images, compressing existing images, and removing unused code could dramatically improve your score by 30+ points and provide a much better user experience.

Other Optimization Recommendations

Eliminate Render-Blocking CSS

High Impact+20 points estimated

Why It Matters:

Critical CSS is blocking first paint by 150ms and delaying both LCP and FCP metrics.

How to Fix:

Extract above-the-fold CSS and inline it in the document head. Use Next.js dynamic imports for non-critical components. Move the 1352fe111a6f7cf0.css file to load asynchronously or split into critical and non-critical parts using next/dynamic.

Remove Unused JavaScript Code

Medium Impact+12 points estimated

Why It Matters:

138KB of unused JavaScript is delaying LCP by 600ms and slowing page interactivity.

How to Fix:

Remove unused Google Analytics features and configure minimal gtag.js setup. Use Next.js bundle analyzer to identify unused code in 4623-d5b40daffdc786e2.js and 273-557a4403745460dd.js. Implement code splitting for GSAP animations and load them only when needed using dynamic imports.

Keep Your Site Fast After Optimization

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