Comparison

Remix vs Astro

Remix lands on Depends, and Astro lands on Worth it.

Remix

Depends

Confidence: Low

Remix is a free, open-source React framework, so cost is never the issue . fit is: it makes sense only if you have JavaScript developers building web apps.

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Astro

astro.build

Worth it

Confidence: Medium

Use it if you have developers and a content-heavy site . it's free, open source, and developers call it fantastic.

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Remix versus Astro
Compare	Remix	Astro
Verdict	Depends	Worth it
Best for	JavaScript teams shipping web apps	Content-heavy marketing sites
Who it's not for	Non-developers wanting a no-code website builder	Non-technical teams wanting a website builder
Privacy	No known public vulnerabilities found in the sources reviewed.^¹	Active CVE stream in 2025-2026 . SSRF via host-header handling and XSS in image endpoints; patches shipped via GitHub advisories.¹³
Support quality	No evidence in reviewed sources	No support evidence found
Public sentiment	Sources reviewed contained no user feedback about Remix . results were unrelated '404' content.	Developer sentiment is strongly positive . called fantastic and able to do it all . with ongoing debate about when it's the wrong fit.^⁶

Pick Remix when

JavaScript teams shipping web apps
Code-first teams wanting web-standards routing
Guess: teams already invested in React and React Router

When Remix is not a fit

Non-developers wanting a no-code website builder
Buyers expecting SLAs, contracts, or vendor support
Simple brochure sites . a static page builder is cheaper and faster

Pick Astro when

Content-heavy marketing sites
Blogs and docs sites
Dev teams leaving WordPress or Gatsby
Mixed static + dynamic pages

When Astro is not a fit

Non-technical teams wanting a website builder
No-code founders . use Squarespace or Framer instead
App-heavy products where Next.js fits better
Teams needing vendor SLAs and support contracts

Sources

Remix product security page (returned 404 on fetch)remix.run
official
Remix GitHub repositorygithub.com
official
Astro . official siteastro.build
official
Why Microsoft Chose Astro (case study)astro.build
official
Astro . When to Use & Alternatives (Paralect)paralect.com
review
Thoughts and opinions on Astro . r/webdevreddit.com
review
When NOT to use Astro . r/astrojsreddit.com
review
Goodbye WordPress. Hello Astro . r/astrojsreddit.com
review
Jekyll vs Astrokooslooijesteijn.net
review
Astro.js Website Development Cost (Lucky Media)luckymedia.dev
review
After Gatsby: Astro or Next.js? . r/gatsbyjsreddit.com
review
Hugo vs Astro vs NextJs . Hugo Discoursediscourse.gohugo.io
review
CVE-2025-64745 . NIST NVDnvd.nist.gov
security
CVE-2026-27829 SSRF . SentinelOnesentinelone.com
security
CVE-2026-25545 SSRF via Host . Miggomiggo.io
security
Astro XSS in /_image endpoint . GitHub advisorygithub.com
security