Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
How to optimize playingcardtarot.app
CSS files are blocking initial page render and delaying LCP by 2.2 seconds.
Inline critical CSS for above-the-fold content directly in the HTML head. Defer loading of card-animations.css and theme CSS using media='print' onload='this.media="all"'. Consider replacing the large Tailwind CDN (127KB) with a custom build containing only used classes.
A score of 56 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.
Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Interaction to Next Paint
Good: < 200ms
Measures how quickly the page responds to user interactions
Cumulative Layout Shift
Good: < 0.1
Measures visual stability - how much content shifts during page load
This website has poor performance with a score of 56/100, indicating significant user experience issues. The biggest problem is excessive main-thread work taking 33.7 seconds, which is causing the page to become interactive only after 17.3 seconds - far too slow for users. The site is also suffering from render-blocking CSS files that could save 2.2 seconds in load time, layout shifts caused by unsized images, and image optimization issues that could save 116KB in downloads. Prioritizing the reduction of JavaScript processing time, deferring non-critical CSS, and properly sizing images would dramatically improve the site's performance and user experience.
Why It Matters:
Unsized images cause 0.22 CLS score and create jarring content jumps during loading.
How to Fix:
Add explicit width and height attributes to all images, especially the head-splash.webp causing the largest shift. Use CSS aspect-ratio property to maintain responsive behavior while reserving space. Preload the LCP image to prevent layout shifts.
Why It Matters:
33.7 seconds of main thread blocking creates 430ms input delay and prevents user interactions.
How to Fix:
Profile JavaScript execution to identify bottlenecks in the 17.4s of 'Other' work. Break up long-running tasks using setTimeout or requestIdleCallback. Optimize forced reflows in theme-system.js by batching DOM reads and writes separately.
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More Generic Speed Tests
Poor cache policies on external scripts force repeated downloads, slowing repeat visits by 248 KiB.
330 KiB of unused JavaScript delays LCP by 400ms and blocks the main thread for 2 seconds.
Font loading delays are causing 650ms delay to First Contentful Paint and creating invisible text periods.
Missing width and height attributes on images cause layout shifts that hurt user experience and CLS scores.