The Hook: The Uncanny Valley of the Web Flutter Web occupies a difficult position in the browser ecosystem. You are forced to choose between two extremes: the HTML Renderer , which offers a small download size but suffers from inconsistent rendering fidelity (layout thrashing, incorrect font spacing, no shader support), and CanvasKit , which offers pixel-perfect rendering identical to mobile but imposes a massive initial payload (2MB+ uncompressed) that tanks First Contentful Paint (FCP) metrics. In 2025, sticking to the default auto configuration is negligence. If you are building a B2B dashboard, users might tolerate the load time. If you are building a B2C e-commerce site or a landing page, the CanvasKit load time will destroy your conversion rates, while the HTML renderer will make your brand look cheap due to janky animations. The solution isn't just a toggle in the build command; it requires an architectural shift using WasmGC (Skwasm) an...
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