Eliminate Forced Reflow Issues

How to optimize asisto.io

Generic SiteScore: 97/100Analyzed April 2026Re-analyze this site

Eliminate Forced Reflow Issues

High Impact+8 points estimated

Why 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.

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

LCP

Largest Contentful Paint

1.8s
Good

Good: < 2.5s

Measures how long it takes for the main content to appear on screen

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 estimated

Why 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.

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.

Keep Your Site Fast After Optimization

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