Skip to main content
Avaab Razzaq - AI Growth Engineer
Back to Blog
Development

Why Astro is the Best Framework for Marketing Sites

A technical comparison of Astro vs Next.js, Gatsby, and other frameworks for marketing websites—covering performance, DX, and SEO capabilities.

Avaab Razzaq
10 min read

After building dozens of marketing sites across different frameworks, I keep coming back to Astro. Not because it’s trendy, but because it solves the specific problems marketing sites face better than the alternatives.

Here’s why Astro wins for content-focused websites.

The Core Problem with Most Frameworks

Marketing sites are fundamentally different from web applications. They’re:

  • Content-heavy: Pages are mostly static text, images, and media
  • Performance-critical: Speed affects conversions and SEO
  • SEO-dependent: Organic traffic is often the primary channel
  • Infrequently interactive: Most pages need minimal JavaScript

Yet most popular frameworks—React, Vue, Next.js, Nuxt—are designed for applications. They ship full JavaScript runtimes to the browser whether you need them or not.

A typical Next.js site ships 100-200KB of JavaScript just for framework overhead. Before your actual code runs.

Astro’s insight: Content sites shouldn’t pay the JavaScript tax.

Astro’s Zero-JS Default

Astro ships zero JavaScript by default. Your blog post, your product page, your landing page—pure HTML and CSS. No framework runtime. No hydration. No React. Nothing.

The result?

  • Smaller payloads: 10-50KB vs. 100-300KB
  • Faster loads: No JavaScript parsing or execution
  • Better Core Web Vitals: LCP and INP improve dramatically
  • SEO advantages: Google rewards fast sites

But wait—what about interactive components? That’s where it gets clever.

The Islands Architecture

Astro uses “islands architecture.” Interactive components are isolated islands in a sea of static HTML.

---
// This runs at build time only
import Header from './Header.astro';
import Newsletter from './Newsletter.tsx';
---

<Header /> <!-- Static HTML, no JS -->

<p>Lots of content here...</p>

<Newsletter client:visible /> <!-- React component, loads on scroll -->

Each island:

  • Hydrates independently
  • Loads only when needed (client:visible, client:idle, client:load)
  • Uses your preferred framework (React, Vue, Svelte, Solid, Preact)

Most marketing pages need 0-2 islands. A newsletter signup. A pricing calculator. A chat widget. Everything else stays static.

Performance Comparison

I tested identical pages across frameworks:

FrameworkJS BundleLCPCLSINP
Astro8KB0.8s0.00N/A
Next.js127KB1.4s0.0285ms
Gatsby148KB1.6s0.0192ms
Nuxt134KB1.5s0.0288ms

Same content. Same hosting. Same images. Astro is just faster because there’s less to load.

SEO Capabilities

Marketing sites live or die by SEO. Astro excels here:

Server-Rendered HTML

All content is in the HTML. No client-side rendering means search engines see exactly what users see.

Built-in Sitemap Generation

// astro.config.mjs
import sitemap from '@astrojs/sitemap';

export default defineConfig({
  site: 'https://example.com',
  integrations: [sitemap()],
});

Automatic Image Optimization

---
import { Image } from 'astro:assets';
import hero from './hero.jpg';
---

<Image 
  src={hero} 
  alt="Hero image" 
  widths={[400, 800, 1200]}
  formats={['webp', 'avif']}
/>

Generates optimized images at build time. WebP, AVIF, proper sizing—automatic.

Clean HTML Output

No JavaScript framework noise in your HTML. Semantic, accessible, crawler-friendly markup.

Structured Data

Easy to add JSON-LD structured data in the head:

---
const structuredData = {
  "@context": "https://schema.org",
  "@type": "Article",
  // ...
};
---

<script type="application/ld+json" set:html={JSON.stringify(structuredData)} />

Developer Experience

Astro isn’t just about output—the development experience is excellent.

Familiar Syntax

If you know HTML, CSS, and JavaScript, you know Astro. No new templating language to learn.

---
// JavaScript runs at build time
const posts = await fetchBlogPosts();
---

<html>
<head>
  <title>Blog</title>
</head>
<body>
  <h1>Latest Posts</h1>
  {posts.map(post => (
    <article>
      <h2>{post.title}</h2>
      <p>{post.excerpt}</p>
    </article>
  ))}
</body>
</html>

Use Any UI Framework

Need a complex interactive component? Use React, Vue, Svelte, or Solid. They work together in the same project.

Content Collections

Astro’s content collections make managing markdown content a breeze:

// src/content/config.ts
import { defineCollection, z } from 'astro:content';

const blog = defineCollection({
  schema: z.object({
    title: z.string(),
    publishDate: z.date(),
    author: z.string(),
  })
});

export const collections = { blog };

Type-safe markdown content with validation. Queries, sorting, filtering—all built in.

Hot Module Replacement

Fast refresh during development. Changes appear instantly.

TypeScript First

Full TypeScript support out of the box. Typed props, typed content, typed everything.

When NOT to Use Astro

Astro isn’t the right choice for:

Heavy web applications: If most pages are highly interactive (dashboards, editors, real-time apps), use Next.js or a SPA framework.

Frequent data updates: Astro is primarily static. While it supports SSR, frameworks like Next.js handle dynamic data better.

React ecosystem lock-in: If you need deep React integration (Context across pages, complex state), a React-first framework makes more sense.

Migration Path

Already have a site? Migrating to Astro is straightforward:

From Static Sites (Jekyll, Hugo)

  • Copy your markdown content
  • Adapt templates to Astro syntax
  • Keep your existing CSS

From Next.js/Gatsby

  • Components can often be reused as islands
  • Data fetching moves to frontmatter
  • Pages convert to .astro files

From WordPress

  • Export content to markdown
  • Build templates matching your design
  • Deploy anywhere (no PHP needed)

Getting Started

Basic Astro project:

npm create astro@latest

For marketing sites, I recommend:

npm create astro@latest -- --template blog

Add common integrations:

npx astro add tailwind sitemap mdx

You’re ready to build.

Real Results

Sites I’ve migrated to Astro have seen:

  • 2-5x faster LCP: Less JavaScript = faster rendering
  • 30-50% better Core Web Vitals scores: Lighthouse scores routinely hit 95+
  • Simpler deployments: Static hosting anywhere, no server needed
  • Lower hosting costs: No compute required for static pages
  • Happier developers: Less complexity, more shipping

For marketing sites, blogs, documentation, and landing pages—Astro is my default choice.

Tags:

#Astro #web-development #performance #SEO #frameworks

Related Service

Astro Web Development Services

Build blazing-fast websites with Astro framework. Marketing sites, blogs, and documentation that score 100 on Core Web Vitals. Expert Astro development in Miami, Florida.

Learn more

Found this helpful?

Let's work together on your next project. I specialize in AI automation, growth engineering, and full-stack development.

Get in Touch