What a Webflow-to-React Migration Actually Costs
If you search "react migration cost," every result says $30,000 to $100,000 and three to six months. Some say twelve. The numbers aren't fabricated — they're describing agency projects with discovery phases, stakeholder meetings, design sprints, QA rounds, and change orders. They're real costs for real projects.
But they're not the only way to do it.
We migrated a commercial real estate SaaS company's marketing site from Webflow to React. Not a landing page. Not a five-page brochure site. A full marketing platform with 254 blog posts, 1,861 images, 12 solution pages targeting different buyer roles, interactive pricing, ROI calculators, structured data, and a custom design system.
Four weeks. 99 commits. Deployed on Vercel.
Why they were leaving Webflow
The company had outgrown Webflow in three specific ways.
Content scale. 254 blog posts and growing. Webflow's CMS works fine at 50 posts. At 250, the editor gets slow, bulk operations don't exist, and every content change requires logging into a visual builder designed for designers, not marketers.
Interactive features. The team needed ROI calculators, interactive pricing configurators, trade area cost estimators — components that take user input, compute results, and display them inline. Webflow can do this with custom code embeds, but you end up maintaining JavaScript snippets pasted into rich text fields. It breaks on every template change.
SEO control. Structured data (JSON-LD), programmatic meta tags, dynamic OG images, canonical URL management, redirect rules — all things Webflow can technically do but makes painful at scale. When you have 254 blog posts that need proper schema markup, you need it automated, not manually configured per page.
The Webflow site wasn't bad. It just couldn't do what the business needed next.
What we built
React Router v7 with React 19, TypeScript in strict mode, Tailwind v4, Vite 7, server-side rendering, deployed to Vercel.
Here's what that actually means in practice:
254 blog posts migrated. Every post converted from Webflow's CMS format to MDX with frontmatter. Categories, authors, publication dates, featured images — all preserved. The blog now supports custom components inline: stat blocks, pull quotes, charts rendered from real data. A Webflow blog post is a page. An MDX blog post is a program.
1,861 images. Moved out of Webflow's CDN into a structure the new site controls. WebP conversion, responsive sizing, lazy loading — all handled by a custom OptimizedImage component, not a third-party image service.
12 solution pages. Not "About Us" and "Contact." Twelve targeted pages for specific buyer roles: site selection teams, franchise development directors, portfolio managers, CFOs, expansion managers, regional development managers. Each one speaks directly to that role's pain points with industry-specific language, proof points, and CTAs.
74 custom components. Not a template. Not a theme. Every component built for this company's specific design language — what we called the Sage design system. Consistent spacing, typography scale, color palette, interaction patterns. A BrowserFrame component that wraps platform screenshots. A ScoreCard widget that renders AI scoring data. A SavvyCal embed for scheduling. An interactive pricing configurator that lets prospects build their plan and see the cost in real time.
Structured data everywhere. JSON-LD on every page type — organization, blog posts, FAQ, breadcrumbs. An llms.txt file so AI search engines can understand the site structure. Programmatic sitemap generation. Proper canonical URLs (this matters more than most people think — a single canonical bug can keep hundreds of pages out of Google's index for weeks).
The real timeline
Week 1: Foundation. React Router v7 scaffolding, TypeScript configuration, Tailwind setup, Vercel deployment pipeline. Content migration scripts for blog posts and images. Basic routing for all pages. By Friday, the blog was rendering 254 posts from MDX files.
Week 2: Page builds. Homepage, platform, AI scoring, deal management, services, about, pricing, labs, contact. Each page got a content re-evaluation — not just migrating what Webflow had, but asking whether the messaging still matched the company's current positioning. Most of it didn't. About half the page content was rewritten.
Week 3: Interactive features and polish. ROI calculators, pricing configurator, solution page tabs, testimonial integration, press page, whitepaper landing page. Design system refinement — making sure the Sage tokens (spacing, typography, colors) were consistent across every component. Mobile responsiveness pass on everything.
Week 4: SEO, performance, and edge cases. Structured data across all page types. 301 redirects from old Webflow URL patterns. OG images. DNS migration (this is where things get interesting — a bare domain CNAME pointing to Webflow's CDN caused a Cloudflare error that killed a New York Times backlink for a day). HubSpot form integrations. Event page rebuilt with real CRM data instead of placeholder content.
99 commits. 168 TypeScript files. About 119,000 lines of code including content.
What it cost
This is the part where the comparison to agency pricing breaks down, because the economics are fundamentally different.
An agency migration at this scale would involve: a project manager, a designer, two to three frontend developers, a QA engineer, and probably a content strategist. Conservative estimate at agency rates: $40,000 to $80,000, four to six months.
What this actually cost:
- Developer time: One solo developer, four weeks
- Hosting: Vercel (free tier or Pro at $20/month depending on traffic)
- Image hosting: Included in deployment
- CMS: None. MDX files in the repo. Content changes are git commits
- Dependencies: React Router, Tailwind, a handful of UI primitives. No CMS service, no headless CMS subscription, no image optimization SaaS
The monthly cost went from Webflow's site plan (which scales with CMS items and traffic) to effectively zero ongoing platform cost. The site is static files and serverless functions. It scales to whatever traffic shows up without configuration changes.
What agencies are actually charging for
This isn't an argument that agencies are overpriced. The $40K-$80K estimate covers real things:
Coordination overhead. When five people work on a project, someone has to make sure they're building the same thing. Standups, sprint planning, design reviews, client presentations. A solo developer doesn't have this cost, but also doesn't have the safety net of multiple perspectives.
Design exploration. Agencies iterate through concepts. Multiple homepage directions, A/B tested hero sections, brand workshops. We skipped this — the company knew what they wanted. They had a visual identity. The job was execution, not exploration.
Risk mitigation. Agency contracts include revision rounds, scope change procedures, warranty periods. A solo developer either gets it right or fixes it immediately. There's no buffer.
Documentation and handoff. Agencies produce documentation for maintenance teams. When a solo developer builds it and maintains it, the handoff cost is zero.
The question isn't whether agencies are worth the money. The question is whether every project needs the full agency process, or whether some projects — especially ones with clear requirements and an existing design direction — can be executed faster and cheaper with a different approach.
When this approach works (and when it doesn't)
This worked because:
- Clear requirements. The company knew exactly what their site needed to do. No discovery phase required.
- Existing content. 254 blog posts, testimonials, case studies — all written. The job was migration and enhancement, not content creation from scratch.
- Technical confidence. TypeScript strict mode, server-side rendering, structured data, complex interactive components — these aren't things you figure out on your first React project.
- Ongoing relationship. The developer (me) maintains the site. No handoff friction. When something needs to change, it gets changed in the same session it's identified.
This wouldn't work if:
- The company needed brand identity development (hire a designer)
- The content didn't exist yet (hire a content strategist)
- The technical requirements were uncertain (hire a team that can explore)
- The company needed a vendor with contractual SLAs (hire an agency)
The part nobody talks about
The hardest part of this migration wasn't the code. It was the content re-evaluation.
Webflow makes it easy to build pages that look good but say nothing specific. Generic hero text, stock photography, "learn more" buttons that don't specify what you'll learn. When you migrate to a system where every component is explicit — where a PullQuote needs an actual quote, where a StatBlock needs real numbers, where a solution page needs role-specific pain points — you discover how much of your existing content is filler.
About half the pages required significant content rewrites. Not because the Webflow content was bad, but because the new system demanded specificity that the old system didn't enforce. The pricing page went from a static grid to an interactive configurator. The solution pages went from one generic page to twelve role-specific pages. The about page went from stock bios to a founding story with real traction numbers.
The migration forced a content audit that should have happened years ago. That's not a React feature. But it's a real outcome.
If you're considering this
The honest assessment: a Webflow-to-React migration makes sense when you've outgrown Webflow's capabilities and you have clear technical requirements. It doesn't make sense as a status symbol or because someone told you "real companies use React."
If your Webflow site does what you need and your team can maintain it, keep it. Webflow is a good tool. The migration is worth it when you hit the walls — CMS scale, interactive features, SEO control, performance optimization — and those walls are costing you something measurable.
This project is in my portfolio alongside other recent builds. If you're hitting those walls and want to talk about what a migration would look like for your specific situation, reach out.