Complete guide to migrating your Concrete5 website to Astro. Leave Concrete5's very small ecosystem compared to other php cms options behind and get ships zero js to the client by default (islands architecture). Free migration tool included.
You can migrate from Concrete5 to Astro for free using LeaveWP. Enter your site URL, choose Astro 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.
Official docs: Astro Documentation
In-context editing CMS for marketers. Marketing teams who want to edit pages visually without developer help, but these limitations push teams toward modern alternatives.
Very small ecosystem compared to other PHP CMS options
This is the most common reason teams migrate away from Concrete5. Astro eliminates this issue entirely.
Performance is poor without server-side caching
With Astro, ships zero js to the client by default (islands architecture).
Limited developer documentation and community support
Modern architectures like Astro are designed to avoid this from the ground up.
Fewer modern integrations and headless capabilities
After migrating, you'll no longer need to worry about this — Astro takes a fundamentally different approach.
Content-focused framework that ships zero JavaScript by default. Built with JavaScript/TypeScript (framework-agnostic), it's content-heavy websites that need maximum performance with minimal javascript.
Ships zero JS to the client by default (Islands Architecture)
Use React, Vue, Svelte, or any framework in the same project
Content collections with type-safe Markdown/MDX
Purpose-built for content sites — blogs, docs, marketing pages
Astro 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 | Concrete5 | Astro |
|---|---|---|
| Ease of Use | ⭐⭐⭐⭐ 4/5 | ⭐⭐⭐⭐ 4/5 |
| Performance | ⭐⭐ 2/5 | ⭐⭐⭐⭐⭐ 5/5 |
| Flexibility | ⭐⭐⭐ 3/5 | ⭐⭐⭐⭐ 4/5 |
| Cost | ⭐⭐⭐ 3/5 | ⭐⭐⭐⭐⭐ 5/5 |
| Scalability | ⭐⭐ 2/5 | ⭐⭐⭐⭐ 4/5 |
| Ecosystem | ⭐⭐ 2/5 | ⭐⭐⭐ 3/5 |
| Language | PHP | JavaScript/TypeScript (framework-agnostic) |
| Pricing | Free (self-hosted) | 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 Concrete5 content maps to Astro
What may need manual attention
Custom server-side logic, third-party integrations, and platform-specific plugins will need equivalent solutions in Astro. The core content (text, images, metadata) transfers cleanly.
Migrate your content in three simple steps
Enter your Concrete5 site URL — LeaveWP connects automatically.
Select Astro as destination and choose content options.
Download your migrated content or preview it in your browser.
Migrating from Concrete5 to Astro makes the most sense if you're experiencing very small ecosystem compared to other php cms options or outgrowing Concrete5's architecture. Astro is best for content-heavy websites that need maximum performance with minimal javascript.
You should migrate if: your Concrete5 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 Concrete5 site benefits from true in-page editing — edit content directly on the live page and you don't have JavaScript/TypeScript developers on your team. Concrete5 is genuinely easy to use, and that simplicity has value.
The migration itself is straightforward with LeaveWP — enter your Concrete5 URL, select Astro, and download your content. The more important question is whether Astro's architecture fits your team's skills and your project's long-term needs.
Explore more migration paths from Concrete5 or to Astro
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