LCP
Largest Contentful Paint
1.8s
Good
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Optimize Font Loading Strategy
How to optimize asisto.io
Optimize Font Loading Strategy
Medium Impact+5 points estimated
Why It Matters
Font files create a 423ms critical chain dependency that delays content rendering and impacts Speed Index.
How to Fix
Preload critical fonts using <link rel='preload' as='font'> for jetbrains-mono-variable.woff2 and fraunces-variable-italic.woff2. Add font-display: swap to CSS @font-face rules. Consider subsetting fonts to reduce file sizes if only specific characters are needed.
0Good
What This Score Means
A score of 97 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
16ms
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 performs exceptionally well with a score of 97/100, indicating excellent optimization overall. The biggest opportunity for improvement is optimizing image delivery, specifically a portrait image that's being served at nearly double the size needed (960x1163 pixels vs. 297x359 display size), which wastes about 85 KB of bandwidth. The site also experiences some forced reflows in JavaScript that could be causing minor performance hiccups, and there's a small delay in font loading that contributes to a 4.0 second Speed Index. Despite these minor issues, the site is already performing at a very high level and would benefit most from implementing responsive images to serve appropriately-sized versions based on display dimensions.
Other Optimization Recommendations
Optimize Image Dimensions and Delivery
Medium Impact+3 points estimatedWhy It Matters:
The portrait image is oversized by 87KB, wasting bandwidth and potentially impacting perceived load performance.
How to Fix:
Resize the sydney-portrait image from 960x1163 to match its display size of 297x359 pixels. Use responsive images with multiple sizes in your srcset attribute. Consider using image optimization tools like ImageOptim or implementing automatic resizing in your build process.
Eliminate Forced Reflow Issues
High Impact+8 points estimatedWhy It Matters:
JavaScript is causing 48.7ms of forced reflows, blocking the main thread and degrading user experience.
How to Fix:
Identify code that reads geometric properties after DOM changes and batch these operations. Use requestAnimationFrame for layout-triggering operations. Cache DOM measurements to avoid repeated queries of offsetWidth, clientHeight, or similar properties.
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Eliminate Forced Reflow Issues
JavaScript is causing 48.7ms of forced reflows, blocking the main thread and degrading user experience.
Optimize Image Dimensions and Delivery
The portrait image is oversized by 87KB, wasting bandwidth and potentially impacting perceived load performance.
Remove Unused CSS and Optimize Delivery
91% of your CSS is unused, adding 150ms to LCP and blocking initial render for 1.5 seconds.
Add Priority Hints to LCP Image
The hero brand image lacks fetchpriority=high, missing an opportunity to prioritize critical resource loading.