Glossary
web-design
Infinite Scroll
Definition
A design pattern where new content loads automatically as users scroll down, removing the need for pagination.
What is Infinite Scroll?
Infinite scroll automatically loads more content as users reach the bottom of the page. There's no "next page" button or pagination—content just keeps appearing as you scroll down. Social media feeds like Twitter, Instagram, and Facebook popularised this pattern.
How It Works
As the user scrolls near the bottom, JavaScript detects their position and fetches more content from the server. The new content slots in below existing items, and the process repeats indefinitely (or until content runs out).
When Infinite Scroll Works Well
- Social media feeds - Discovery-focused, no need to find specific items
- Image galleries - Visual browsing benefits from smooth flow
- News feeds - Current content at the top, archive below
- Casual browsing - When users don't have a specific goal
When to Avoid Infinite Scroll
| Problem | Why It's an Issue |
|---|---|
| Footer access | Users can never reach the footer |
| Finding specific items | No way to bookmark a position or return to it |
| SEO | Search engines may not index all content |
| Performance | Memory issues as content accumulates |
| Progress sense | Users don't know how much remains |
Best Practices
- Show a loading indicator when fetching content
- Handle errors gracefully (network failures happen)
- Consider adding "back to top" functionality
- Track scroll position so users can return
- Provide a fallback for the footer (or move footer content elsewhere)
- Set limits—don't load indefinitely
Infinite scroll is user-friendly for browsing but frustrating when users want control. Choose based on how people actually use your content.