spaansba/ForesightJS

Health v2 · maintenance only

Adoption not part of the score

1803 stars · 40 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

ForesightJS is a lightweight, framework-agnostic JavaScript library that predicts user intent from mouse trajectory, keyboard navigation, scroll, and touch cues to trigger prefetching before a user reaches a link or element. It ships official integrations for React, Vue, Angular, and Astro, plus devtools for visual debugging.

Use cases

• prefetch links before the user hovers them
• predict user intent from mouse movement
• prefetch on keyboard tab navigation
• smart prefetching for mobile touch devices
• reduce perceived page load times
• prefetch content when user scrolls toward an element
• respect data-saver and slow connections when prefetching

When to choose

• you want intent-based prefetching that works out of the box with zero configuration
• you need framework-agnostic prefetching with official React, Vue, Angular, or Astro adapters
• you want to support both desktop (mouse/keyboard) and mobile (touch/viewport) prediction strategies
• you need to avoid wasting bandwidth on slow connections or data-saver mode

When to avoid

• you only need simple hover or click prefetching without intent prediction
• your app is not browser-based (e.g., server-side or native-only)
• you cannot tolerate any client-side JavaScript overhead for tracking user input

Facets

library · maturity active

caching developer-tools middleware web-development frontend performance browser cross-platform prefetching intent-prediction mouse-trajectory keyboard-navigation smart-prefetch react vue angular astro typescript web-server

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