Rezi migrates off Webflow over a weekend using Claude Opus 5.5
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The Rezi team says it moved the 515-page Rezi.ai site off Webflow to a self-built site using Astro 7, React 19, and Tailwind CSS 4 over a single weekend with Claude Opus 5.5, raising its desktop PageSpeed score from 38 to 99. Before the migration, the team first rebuilt two smaller brand sites, ResumAI and Resumatic. During the migration, every page was required to move over exactly as-is; if any page changed more than expected, the build would fail and nothing would be published. These claims come from the Rezi team's own account, and the PageSpeed improvement figures are also the numbers they provided.
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- Hacker News AIWebflow wanted $2,500 for one language. AI rebuilt our whole site in a weekend
Rezi.ai describes moving its ~515-page site off Webflow to an Astro 7, React 19 and Tailwind CSS 4 stack hosted on Netlify, with Claude Opus 5.5 doing the heavy lifting, after Webflow quoted $2,500 a year to add a single language on top of a roughly $30,000-per-year enterprise contract. The team first tested the approach on two smaller brands, then kept the Rezi.ai rebuild visually identical using a script that compares every page to the Webflow original, and reports desktop PageSpeed rising from 38 to 99 and mobile from 57 to 95.
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