Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
How to optimize sbsommar.se
Oversized images waste 58KB of bandwidth with the hero image alone being 89% larger than needed for display.
Resize hero image from 960x505 to 665x499 pixels to match display dimensions. Create responsive image variants using srcset attribute. Compress testimonial images more aggressively - Malin Isenfors image can be reduced by 8KB through better compression.
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.
Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Interaction to Next Paint
Good: < 200ms
Measures how quickly the page responds to user interactions
Cumulative Layout Shift
Good: < 0.1
Measures visual stability - how much content shifts during page load
This website performs very well with an excellent score of 96/100, indicating fast loading times for most users. The main issue affecting user experience is the CSS stylesheet blocking the initial page render, which delays content visibility by about 110ms and could be fixed by inlining critical styles or deferring non-essential CSS. Additionally, the site's images are larger than needed for their display size, wasting 58 KB of download data, and cache settings could be improved to speed up repeat visits. While the Largest Contentful Paint of 2.5 seconds is acceptable, addressing the render-blocking CSS and optimizing image sizes could push this site to near-perfect performance.
Why It Matters:
The main stylesheet blocks initial page render for 153ms, directly delaying First Contentful Paint by 100ms.
How to Fix:
Inline critical CSS for above-the-fold content directly in the HTML head. Load the remaining CSS asynchronously using media='print' onload="this.media='all'" technique. Minify the stylesheet to reduce its 7.6KB size further.
Why It Matters:
Short cache durations force repeat visitors to re-download resources, slowing subsequent page loads.
How to Fix:
Set cache headers for static assets (CSS, JS, images) to 1 year instead of current 1 week. Add cache-busting query parameters (you already use ?v=ab565d2e for CSS) for version control. Configure server to set proper Cache-Control headers for all static resources.
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More Generic Speed Tests
Short cache durations force repeat visitors to re-download resources, slowing subsequent page loads.
CSS files block initial page render for 900ms, significantly delaying First Contentful Paint.
Large unoptimized images waste 7,474 KiB and delay LCP by 450ms with poor user experience.
2,710 KiB of unused JavaScript is blocking rendering and delaying LCP by 14 seconds.