What is Jitter (in animation)?
Jitter is the visual symptom of the browser struggling to render visual changes at a consistent frame rate (ideally 60 frames per second). It's caused when the JavaScript or CSS used for Animation is computationally expensive or forces the browser to frequently recalculate the layout (known as Reflow or layout thrashing).
Why Jitter Matters in UX?
Eliminating Jitter is a key focus of high-quality Frontend Development to ensure the site feels fast, modern, and polished.
- User Experience: Smooth Interaction Design contributes to perceived quality; Jitter makes a site feel slow and unprofessional, even if the load time is fast.
- Engagement: A site that stutters during scrolling or interaction can frustrate users and increase the Bounce Rate.
- Technical Quality: Avoiding code that causes Jitter is a hallmark of a clean, performant, Scalable Build.
Example from Flowtrix Projects
Flowtrix meticulously optimizes all Animation and Interaction Design to eliminate Jitter. We use hardware-accelerated CSS properties in Webflow and write highly efficient JavaScript to ensure all effects run smoothly at 60fps. This attention to Performance ensures a fluid, premium User Experience (UX) that reinforces the client’s professional Brand Identity.
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