LCP
Largest Contentful Paint
6.6s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Eliminate Render-Blocking CSS and Fonts
How to optimize about.grumpy.uk
Eliminate Render-Blocking CSS and Fonts
High Impact+15 points estimated
Why It Matters
CSS and Google Fonts are blocking initial render for 3.04 seconds, delaying FCP.
How to Fix
Inline critical CSS styles directly in the HTML head. Use font-display: swap for Google Fonts to prevent render blocking. Consider using system fonts or preloading only essential font variants to reduce the font chain dependency.
0Needs Improvement
What This Score Means
A score of 68 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
INP
Interaction to Next Paint
16ms
Good
Good: < 200ms
Measures how quickly the page responds to user interactions
CLS
Cumulative Layout Shift
0.01
Good
Good: < 0.1
Measures visual stability - how much content shifts during page load
AI Performance Analysis
This website has poor performance issues with a score of 68/100, indicating significant room for improvement. The biggest problem is massive image optimization issues that are delaying the Largest Contentful Paint to 6.6 seconds - a portrait photo alone could save 598 KB by converting to modern formats like WebP and properly sizing it for display. Additionally, render-blocking CSS and font requests are preventing the page from painting content quickly, adding over 3 seconds to the First Contentful Paint. Optimizing these images and deferring non-critical CSS could improve the performance score by 25+ points and dramatically enhance user experience, especially on mobile devices.
Other Optimization Recommendations
Optimize Image Formats and Compression
High Impact+18 points estimatedWhy It Matters:
Images are wasting 598 KiB and causing a 3.15 second LCP delay.
How to Fix:
Convert photo.png (518 KiB) to WebP format to save 464 KiB. Resize the portrait image from 571x569 to its display size of 298x298. Use an image optimization service like Squoosh or ImageOptim to compress the logo.png file.
Optimize LCP Element Discovery
Medium Impact+8 points estimatedWhy It Matters:
The LCP element is not immediately discoverable, preventing early resource loading.
How to Fix:
Add fetchpriority='high' attribute to the portrait image since it's the LCP element. Ensure the image src is directly in HTML rather than loaded via JavaScript. Consider moving the image higher in the DOM structure for faster discovery.
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Optimize Long Running Tasks
Maximum potential First Input Delay of 270ms indicates JavaScript blocking user interactions.
Remove Unused CSS Rules
83% of CSS (11KB) is unused, wasting bandwidth and blocking rendering.
Inline Critical CSS Resources
Render-blocking CSS delays LCP by 150ms and blocks initial page render.
Remove Unused CSS and JavaScript
84% of CSS rules are unused, wasting 67KB of bandwidth and slowing page load.