LCP
Largest Contentful Paint
2.8s
Needs Improvement
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Eliminate Render Blocking Resources
How to optimize shinyboard.net
Eliminate Render Blocking Resources
High Impact+8 points estimated
Why It Matters
CSS files are blocking initial page render, delaying both FCP and LCP by 2 seconds.
How to Fix
Inline critical CSS directly in HTML head for above-the-fold content. Use media='print' onload='this.media="all"' to defer non-critical CSS files like tabler-icons.min.css and material.min.css. Minimize style.min.css by removing unused rules (96% currently unused).
0Good
What This Score Means
A score of 90 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
98ms
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 a good performance score of 90/100, but has one critical issue holding it back from excellent performance. The biggest problem is render-blocking CSS files that are preventing the page from displaying content quickly, delaying both First Contentful Paint (2.8 seconds) and potentially costing over 2 seconds in loading time. The site is also carrying significant bloat with 166 KiB of unused CSS (97% waste in the main stylesheet) and 70 KiB of unused JavaScript that should be removed or deferred. Fixing the render-blocking CSS by deferring or inlining critical styles, plus cleaning up the unused code, could easily push this site into the excellent performance range and improve user experience substantially.
Other Optimization Recommendations
Remove Unused CSS Rules
High Impact+6 points estimatedWhy It Matters:
166 KiB of unused CSS increases download time and delays rendering by 340ms.
How to Fix:
Use PurgeCSS or UnCSS tools to remove unused styles from style.min.css (96% unused). Audit tabler-icons.min.css and only include icons actually used on the page. Split CSS into page-specific bundles to reduce initial payload.
Optimize Font Loading Strategy
Medium Impact+3 points estimatedWhy It Matters:
Custom fonts cause 50ms delay in text rendering and contribute to layout shifts.
How to Fix:
Add font-display: swap to @font-face declarations for Phosphor-Duotone and Tabler icons fonts. Preload critical font files with <link rel='preload' as='font' type='font/woff2' crossorigin>. Add explicit width and height to the logo SVG to prevent layout shift.
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Optimize Font Loading Strategy
Custom fonts cause 50ms delay in text rendering and contribute to layout shifts.
Remove Unused CSS Rules
166 KiB of unused CSS increases download time and delays rendering by 340ms.
Fix JavaScript Forced Reflows
DOM geometry queries after style changes cause 37ms of unnecessary layout recalculation.
Inline Critical CSS Bundle
Your CSS file blocks initial render and delays both FCP and LCP by 150ms.