LCP
Largest Contentful Paint
2.5s
Good
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Implement Responsive Image Sizing
How to optimize sbsommar.se
Implement Responsive Image Sizing
High Impact+2 points estimated
Why It Matters
Oversized images waste 70 KiB of bandwidth and delay perceived load time, particularly affecting mobile users.
How to Fix
Create multiple image versions for different screen sizes using a tool like ImageMagick or online services. Update your HTML to use srcset attributes with appropriate sizes for testimonial images (60x60px actual display vs 375x375px current). For the hero image, serve 665x499px instead of 960x505px for mobile viewports.
0Good
What This Score Means
A score of 96 falls in the "Good" 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
35ms
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 website achieves an excellent performance score of 96/100, indicating very fast loading times for users. The main opportunity for improvement is optimizing image delivery, which could save 70 KB of data by properly resizing images that are currently much larger than their displayed dimensions (for example, a 375x375 pixel image being shown at only 140x105 pixels). Additionally, implementing browser caching for images could save an estimated 127 KB on repeat visits, and adding explicit width and height attributes to images would help prevent layout shifts as the page loads. While the overall performance is already strong with a Speed Index of 3.7 seconds, these image optimizations represent the most impactful remaining opportunities for enhancement.
Other Optimization Recommendations
Eliminate Render-Blocking CSS
High Impact+1 point estimatedWhy It Matters:
Your external stylesheet blocks initial page render for 100ms, delaying First Contentful Paint.
How to Fix:
Inline critical CSS styles directly in the HTML head for above-the-fold content. Move non-critical CSS to load asynchronously using media='print' onload='this.media="all"' technique. Alternatively, split your stylesheet and only load essential styles synchronously.
Add Image Dimensions and Caching
Medium Impact+1 point estimatedWhy It Matters:
Missing width/height attributes cause layout shifts and zero cache lifetime forces unnecessary re-downloads on repeat visits.
How to Fix:
Add explicit width='70' height='70' attributes to your logo image and other content images. Configure your web server to set Cache-Control headers with max-age=31536000 (1 year) for image assets. Add proper dimensions even to lazy-loaded images to reserve layout space.
Keep Your Site Fast After Optimization
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Remove Render-Blocking CSS Resources
CSS files block initial page render for 900ms, significantly delaying First Contentful Paint.
Optimize and Modernize Images
Large unoptimized images waste 7,474 KiB and delay LCP by 450ms with poor user experience.
Eliminate Unused JavaScript Code
2,710 KiB of unused JavaScript is blocking rendering and delaying LCP by 14 seconds.
Add Image Dimensions and Caching
Missing width/height attributes cause layout shifts and zero cache lifetime forces unnecessary re-downloads on repeat visits.