- Pages and copy
- Images and media
- Meta titles and descriptions
- Headings
- URL structure (via single-hop 301s)
- Internal links
We move hand-coded and legacy static HTML sites to Webflow - a visual platform with a built-in CMS your team can edit - without losing your existing URLs or rankings. Webflow Premium Partner, 150+ websites built across 15+ countries.

A hand-coded HTML site has no content management system. Every headline, price, or blog post means editing raw markup or waiting on a developer, so content that should take minutes takes days.
There’s no visual editor, so even small edits are slow and easy to break. One misplaced tag can shift a whole layout, with no version history or safety net.
Adding pages means copying markup by hand and keeping dozens of files consistent. As the site grows, so does the risk of broken links, inconsistent styling, and drift.
SSL certificates, server config, uptime, and security patching are all your responsibility. A missed renewal or an unpatched server can take the site down or expose it.
Breakpoints are hand-coded and maintained manually. Mobile layouts often need separate fixes, and testing across devices is slow and error-prone.
Marketing can’t ship a landing page or campaign without engineering time. Every change waits in a developer queue, which quietly slows growth.
Webflow gives you a built-in CMS your team edits visually. Publish and update pages, posts, and content without touching code or waiting on a developer.
Hosting, SSL, and a global CDN are included and maintained for you. No servers to configure, no certificates to renew, no uptime to babysit.
Marketing ships new pages and campaigns in hours, not dev cycles. Testing messaging and launching landing pages no longer depends on engineering availability.
Per-page meta, native sitemap, 301 redirects, schema, llms.txt, and clean semantic HTML are all built in — the SEO controls you had to hand-code are now native. The same clean foundation keeps you visible in AI answer engines like ChatGPT and Perplexity, which we verify with our free AEO Analyzer.
Webflow’s breakpoint system handles mobile, tablet, and desktop from one design. No separate mobile stylesheets to maintain or debug.
Every existing URL is preserved or 301-redirected, so the rankings and links you’ve earned carry over. Nothing lands on a 404.
Full inventory of pages, URLs, assets, custom scripts, and SEO baseline; you get a written migration plan before work starts.
Single-hop 301 redirects for every meaningful URL; meta, headings, schema, and internal links preserved.
Rebuilt on Client-First with a CMS, responsive layouts, and SEO architecture wired in.
Full QA across browsers and devices; for larger sites, everything is validated in a staging environment with a rollback plan in place before we cut over.
Zero-downtime cutover, then 30 days of post-live support (indexation, redirect health, Core Web Vitals).
theCSS Agency specializes in Webflow migration, ensuring a seamless transition with zero data loss, preserved SEO rankings, and improved performance.
Premium Partner, top 5% of agencies; 150+ websites shipped, 15+ countries.
Pre-launch SEO audit, URL-level 301 mapping, schema preservation, and 30 days of post-live support. 150+ migrations without ranking-loss windows.
Most HTML migrations ship in 3–5 weeks.
HTML to Webflow migrations start from $2,500, with a fixed quote after a free migration audit.
You work directly with the team doing the migration, over Slack.
HTML to Webflow migrations start from $2,500 - fixed quote after a free audit. Every one comes with the theCSS Migration Promise: zero ranking-loss windows, a single-hop 301 redirect on every meaningful URL, AI visibility preserved, and 30 days of post-live support - or we keep working until it’s clean.
Most ship in 3–5 weeks, depending on page count and whether you’re adding a CMS.
Yes - every existing URL gets a single-hop 301 to its new Webflow equivalent, and meta, headings, and internal links transfer with the content.
We rebuild interactivity with Webflow’s native interactions, or keep it as a clean custom-code embed where that’s the better fit.
Yes - repeating content is modeled into Webflow CMS Collections your team edits visually, no code required.
Migrations start from $2,500. We give a fixed quote after a free migration audit, scoped to page count and whether you’re adding a CMS.
For a marketing or content site that needs regular updates, yes — you gain a CMS, managed hosting, responsive design, and native SEO without giving up clean code.
Quick Turnaround. No Contracts. Cancel Anytime. Book a 30 minutes consulting call with our expert.
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