Complete guide to migrating your Umbraco website to SolidStart. Leave Umbraco's requires .net hosting which is more expensive than php behind and get solidjs fine-grained reactivity. Free migration tool included.
You can migrate from Umbraco to SolidStart for free using LeaveWP. Enter your site URL, choose SolidStart as the destination, and download your content — posts, pages, and media — in minutes. No API keys, passwords, or CLI tools required. Difficulty: Medium. Estimated time: 20-40 minutes.
Open-source .NET CMS with flexible content modeling. .NET teams wanting an open-source CMS with excellent content modeling, but these limitations push teams toward modern alternatives.
Requires .NET hosting which is more expensive than PHP
This is the most common reason teams migrate away from Umbraco. SolidStart eliminates this issue entirely.
Smaller plugin marketplace than PHP-based CMS options
With SolidStart, solidjs fine-grained reactivity — updates dom without virtual dom diffing.
Cloud version (Umbraco Cloud) adds significant cost
Modern architectures like SolidStart are designed to avoid this from the ground up.
Fewer tutorials and third-party resources available
After migrating, you'll no longer need to worry about this — SolidStart takes a fundamentally different approach.
Full-stack framework for SolidJS with fine-grained reactivity. Built with JavaScript/TypeScript (SolidJS), it's performance-focused developers who want react-like syntax without virtual dom overhead.
SolidJS fine-grained reactivity — updates DOM without virtual DOM diffing
Top benchmark performance — often faster than Svelte
JSX syntax makes it approachable for React developers
File-based routing with SSR and SSG support
SolidStart is open-source and free to use. You own your code and data with no vendor lock-in. Deploy to any host that supports JavaScript/TypeScript, or use managed platforms like Vercel and Netlify for zero-config deployments.
Side-by-side comparison based on real platform characteristics
| Metric | Umbraco | SolidStart |
|---|---|---|
| Ease of Use | ⭐⭐⭐ 3/5 | ⭐⭐⭐ 3/5 |
| Performance | ⭐⭐⭐ 3/5 | ⭐⭐⭐⭐⭐ 5/5 |
| Flexibility | ⭐⭐⭐⭐ 4/5 | ⭐⭐⭐ 3/5 |
| Cost | ⭐⭐⭐ 3/5 | ⭐⭐⭐⭐⭐ 5/5 |
| Scalability | ⭐⭐⭐⭐ 4/5 | ⭐⭐⭐ 3/5 |
| Ecosystem | ⭐⭐ 2/5 | ⭐ 1/5 |
| Language | .NET / C# | JavaScript/TypeScript (SolidJS) |
| Pricing | Free (self-hosted) / Cloud plans available | Free (open-source) |
| Open Source | Yes | Yes |
Ratings are based on publicly available data, documentation, and community consensus as of 2026. Individual experience may vary.
A detailed breakdown of how your Umbraco content maps to SolidStart
What may need manual attention
Custom server-side logic, third-party integrations, and platform-specific plugins will need equivalent solutions in SolidStart. The core content (text, images, metadata) transfers cleanly.
Migrate your content in three simple steps
Enter your Umbraco site URL — LeaveWP connects automatically.
Select SolidStart as destination and choose content options.
Download your migrated content or preview it in your browser.
Migrating from Umbraco to SolidStart makes the most sense if you're experiencing requires .net hosting which is more expensive than php or outgrowing Umbraco's architecture. SolidStart is best for performance-focused developers who want react-like syntax without virtual dom overhead.
You should migrate if: your Umbraco site is slow, your hosting costs are climbing, you need developer flexibility, or you want to adopt a modern JAMstack architecture.
You might want to stay if: your Umbraco site benefits from flexible document types — model any content structure and you don't have JavaScript/TypeScript developers on your team.
The migration itself is straightforward with LeaveWP — enter your Umbraco URL, select SolidStart, and download your content. The more important question is whether SolidStart's architecture fits your team's skills and your project's long-term needs.
Explore more migration paths from Umbraco or to SolidStart
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