Buffering
performanceintermediate
streamingvideo playbackdata loading
The process of preloading data into a reserved area of memory (a buffer) to prevent interruptions during streaming or downloading.
Examples
YouTube video
The gray bar showing how much video is preloaded ahead of current playback
Music streaming
Spotify buffers next songs while current one plays
Common Misconceptions
- •Buffering is caused by slow internet, not the buffering process itself
- •Some buffering is normal and prevents interruptions
Optimization Tips
Lower video quality if buffering frequently
Close other bandwidth-consuming apps
Pause video to let it buffer ahead
Use wired connection for stable streaming
User Impact
Video streaming
Frequent buffering interrupts viewing experience
Live streams
Buffering causes you to fall behind real-time
Gaming
Different from lag - games don't buffer, they lag or disconnect
Troubleshooting
Issue: Constant buffering
Solution: Check internet speed, reduce stream quality
Issue: Buffering at specific times
Solution: Network congestion - avoid peak hours or upgrade plan