{"type": "article", "title": "Viewport Lab – Open-source responsive tester with sync scroll(no telemetry)", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/viewport-lab-open-source-responsive-tester-with-sync-scroll-no-telemetry", "original_source": "https://github.com/HeartDev0/viewport-lab", "published": "2026-10-08T06:14:30+00:00", "accessed": "2026-10-08", "id": "viewport-lab-open-source-responsive-tester-with-sync-scroll-no-telemetry"}