Show HN: Jab - Better tab navigation with a 10 KB LightGBM model

Category: web-framework

Tags: browser-extension, lightgbm, navigation, machine-learning, keyboard-shortcuts

Score: 6.3/10 (Innovation: 7, Technical: 6, Documentation: 5, Utility: 7)

Jab is a Chrome extension that uses an in-browser LightGBM model (18KB) to predict which interactive element you want to focus next on a webpage. Pressing Ctrl+Q highlights the top pick, and Enter activates it. It offers a smart alternative to traditional tab navigation, running entirely locally with no network requests.

Target audience: frontend devs, power users, accessibility advocates

Repository: https://jab.run/ · JavaScript · 4 stars

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