@franciscomoretti

Fix mobile keyboard overlap with VisualViewport

Aug 25, 2025 · 2 min read · Edited 2025-08-26: The previous version recommended syncing visualViewport.height to a CSS variable with an observer. That was wrong for this use case. The actual fix in Sparka is to rely on dynamic v

Deep Research UIs - Perplexity vs. Manus vs. ChatGPT vs. Gemini

Aug 25, 2025 · 8 min read · Building chat applications often involves tackling complex user interfaces. This is especially true for "deep research" tasks where information density is high. Components like reports, research steps

Deep Research UIs - Perplexity vs. Manus vs. ChatGPT vs. Gemini

Apr 29, 2025 · 8 min read · Building chat applications often involves tackling complex user interfaces. This is especially true for "deep research" tasks where information density is high. Components like reports, research steps

What tests to write for React

Apr 4, 2025 · 6 min read · This article explores what tests you should be writing for your web applications. Inspired by Igor Luchenkov's insightful talk at React Advanced London and drawing on wisdom from industry experts, we'

Next.js Authentication Best Practices in 2025

Apr 1, 2025 · 6 min read · Note: This article updates previous authentication guide, which contained outdated recommendations. Next.js has since changed its authentication guidance, particularly in light of the CVE-2025-29927 security vulnerability. This articles containes a ...