LCP
Largest Contentful Paint
9.9s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Remove Unused CSS Rules
How to optimize medium.com
Remove Unused CSS Rules
Medium Impact+8 points estimated
Why It Matters
40 KiB of unused CSS is adding 300ms to both FCP and LCP load times.
How to Fix
Remove the unused reCAPTCHA CSS file that is 95% unused (40 KiB wasted). Use CSS purging tools like PurgeCSS to eliminate unused styles. Load reCAPTCHA styles only when the component is actually needed on the page.
0Needs Improvement
What This Score Means
A score of 50 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
243ms
Needs Improvement
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 has poor performance with a score of 50/100, indicating significant user experience issues. The biggest problem is excessive unused JavaScript (686 KB of wasted code) that's causing painfully slow load times - it takes 9.5 seconds for users to see the first content and nearly 12 seconds for the page to become interactive. The site is also loading a massive amount of unused CSS from Google's reCAPTCHA service and spending too much time executing JavaScript code. Removing unused code and optimizing JavaScript delivery could dramatically improve load times and potentially boost the performance score by 30+ points.
Other Optimization Recommendations
Remove Unused JavaScript Code
High Impact+25 points estimatedWhy It Matters:
686 KiB of unused JavaScript is delaying FCP by 5.2 seconds and LCP by 5.0 seconds.
How to Fix:
Audit and remove unnecessary reCAPTCHA implementation if not essential for the current page. Code-split the main JavaScript bundle to load only required modules initially. Use dynamic imports for features that aren't needed immediately on page load.
Optimize JavaScript Execution Performance
High Impact+15 points estimatedWhy It Matters:
2.5 seconds of JavaScript execution time is blocking the main thread and delaying interactivity.
How to Fix:
Defer non-critical JavaScript execution using async/defer attributes. Break up long-running tasks into smaller chunks using setTimeout or requestIdleCallback. Consider lazy loading the reCAPTCHA script only when user interaction requires it.
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Related Performance Analyses
More Generic Speed Tests
Generic Performance Resources
Fix Element Render Delay
Your LCP element has 2.8 seconds of render delay, significantly impacting user experience.
Reduce Unused JavaScript Bundle
47% of your main JavaScript bundle (28KB) is unused, wasting 150ms of load time.
Eliminate Render Blocking Resources
Critical CSS and JavaScript files are blocking page render, delaying LCP by 600ms.
Optimize Product Image Delivery
A 1MB product image is oversized by 1000x for its 40x40px display, wasting bandwidth and loading time.