This hero image is loaded dynamically using JavaScript, demonstrating a common but problematic practice. The image doesn't exist in the HTML initially, causing delayed rendering, poor LCP (Largest Contentful Paint), and significant CLS (Cumulative Layout Shift) as the layout jumps when the image finally loads.
Images without width and height attributes can lead to layout shifts.
Lazy-loading main hero images can improve initial load times significantly.
Main images initialized with JavaScript can delay rendering and frustrate users.
Performance
Enhance user experience by addressing common performance issues. Our features help you identify and fix problems that slow down your site.
Eliminate unnecessary CSS that delays rendering.
Optimize interactions to ensure faster response times.
Minimize layout shifts caused by external scripts.
Client-side A/B tests can lead to inconsistent performance metrics.
Disabling BFCache can significantly hinder page load speeds and user experience.
When query strings aren’t cached, it leads to unnecessary server requests.
Discover how to enhance your website's front-end performance with live demonstrations and expert tips.