Developer open-sources Astro SEO Theme with perfect 100/100 Lighthouse score

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A developer has released Astro SEO Theme, a free open-source website template built with Astro, Tailwind CSS v4, and React, aimed at B2B SaaS companies and startups. The theme achieves a perfect 100/100 Lighthouse score across performance, accessibility, best practices, and SEO by shipping zero client-side JavaScript by default. It includes enterprise-grade SEO features such as automatic hreflang tags, JSON-LD structured data, canonical URLs, and auto-generated sitemaps out of the box. The template also supports multilingual routing with English and Spanish implementations, author E-E-A-T profiles, and a strict Content Security Policy configured for Vercel deployments. Developers can scaffold a new project instantly via the Astro CLI, with a live demo available at astro-seo-theme.vercel.app.

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