Optimize Category Images for Mobile

How to optimize wunschgutschein.de

Shopify SiteScore: 61/100Analyzed June 2026Re-analyze this site

Optimize Category Images for Mobile

High Impact+25 points estimated

Why It Matters

Oversized images (2000x2000 displayed as 324x324) waste 1,193 KiB and delay LCP by 7.7 seconds.

How to Fix

In Shopify admin, replace category images with properly sized versions (648x648 max for retina). Use Shopify's responsive image filters like {{ image | image_url: width: 324 }} in your liquid templates. Enable WebP format in your theme settings if available.

0Needs Improvement

What This Score Means

A score of 61 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

7.7s
Poor

Good: < 2.5s

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

INP

Interaction to Next Paint

217ms
Needs Improvement

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 Shopify site has poor performance with a score of 61/100, primarily due to severely slow loading times. The biggest problem is an extremely poor Largest Contentful Paint of 7.7 seconds, caused by oversized images that are being served at 2000x2000 pixels but displayed at only 324x324 pixels, wasting over 1MB of data. Additionally, the site is loading excessive unused JavaScript (over 1MB) from Google Analytics and other third-party scripts, contributing to a painfully slow Time to Interactive of 29.3 seconds. Implementing responsive images and removing unused JavaScript could dramatically improve loading speeds and user experience by several seconds.

Other Optimization Recommendations

Remove Unused Google Analytics Scripts

High Impact+18 points estimated

Why It Matters:

Multiple unused Google Analytics scripts consume 1,087 KiB and block rendering for 300ms.

How to Fix:

In Shopify admin, go to Settings > Analytics and remove duplicate tracking codes. Keep only the active Google Analytics 4 property. Remove unused conversion tracking scripts from Google Tag Manager or your theme's tracking settings.

Defer Non-Critical CSS and JavaScript

Medium Impact+12 points estimated

Why It Matters:

Render-blocking resources delay First Contentful Paint by 450ms and prevent page interaction.

How to Fix:

Move non-essential CSS files to load after page render using Shopify's {{ 'stylesheet.css' | asset_url | stylesheet_tag: loading: 'defer' }}. Defer JavaScript files not needed immediately by adding async or defer attributes in your theme.liquid file.

Keep Your Site Fast After Optimization

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