Why SSG sites dominate search rankings and AI citations. The technical foundation for SEO success in 2025.
A static site generator (SSG) builds complete HTML pages at compile time, before deployment. Unlike client-side rendered sites that build pages in the browser, or server-rendered sites that build on each request, SSG produces ready-to-serve HTML files.
SSG compiles your content into HTML files during the build process.
Pre-built HTML files are deployed to a CDN for global distribution.
Users receive complete HTML immediately—no processing required.
The technical advantages that make SSG sites rank better.
All content is in the HTML from the first byte. Search engines and AI crawlers see everything immediately—no JavaScript execution required. This is essential for AI search visibility.
Pre-built HTML served from CDN means exceptional Largest Contentful Paint (LCP), minimal Cumulative Layout Shift (CLS), and fast First Input Delay (FID). Google uses these as ranking factors.
No JavaScript execution means no rendering failures. Crawlers always see your content, regardless of timeouts, JavaScript errors, or rendering budget limitations.
Static files can be hosted for free or nearly free on Vercel, Netlify, Cloudflare Pages, or GitHub Pages. No server-side processing means no compute costs.
How the three main rendering strategies affect search visibility.
| Factor | SSG | SSR | CSR |
|---|---|---|---|
| When HTML is Built | At compile time | On each request | In browser |
| SEO-Ready HTML | Immediate | Immediate | Requires JS |
| AI Search Visibility | Excellent | Good | Poor |
| Page Speed | Fastest | Fast | Slow initial |
| Server Costs | $0 (CDN only) | Per-request | $0 (CDN only) |
| Best For | Marketing, blogs | Dynamic content | SPAs, apps |
The most common SSG frameworks and their SEO characteristics.
Zero JavaScript by default. Ships only the JS you need. Perfect for SEO-focused marketing sites.
React-based with static export option. Good for teams already using React who need SSG benefits.
Extremely fast build times. Great for large content sites. Written in Go for performance.
Ruby-based, GitHub Pages native. Simple and proven. Good for documentation and blogs.
Pagesmith generates production-ready Astro sites with AI. Get all the SEO benefits of static site generation without the setup time.
Describe your site, get clean Astro code ready to deploy.
Schema markup, meta tags, semantic HTML included automatically.
Export and deploy to Vercel, Netlify, or any static host.
---
import BaseLayout from '../layouts/BaseLayout.astro';
// SEO-optimized schema
const schema = {
"@type": "FAQPage",
"mainEntity": [...]
};
---
<BaseLayout
title="Your SEO Title"
description="Meta description"
schema={schema}
>
<!-- Static HTML content -->
<h1>Your Headline</h1>
<p>Content that crawlers see...</p>
</BaseLayout> Generate Astro sites with AI. Get perfect Core Web Vitals, instant AI visibility, and code you own.
A static site generator (SSG) is a tool that builds HTML pages at compile time rather than at request time. Frameworks like Astro, Next.js (static export), Hugo, and Jekyll generate complete HTML files that can be served directly from a CDN. This results in faster page loads and better SEO compared to client-side rendering.
Static sites are better for SEO because all content is present in the initial HTML response. Search engines and AI systems can immediately read the content without waiting for JavaScript to execute. This leads to faster indexing, better Core Web Vitals scores, and higher likelihood of appearing in AI-generated responses.
SSG (Static Site Generation) builds pages once at compile time, serving pre-built HTML. SSR (Server-Side Rendering) builds pages on each request. Both provide content in the initial HTML (good for SEO), but SSG is faster and cheaper since pages are pre-built. Use SSG for content that doesn't change per-request.
Astro is excellent for SEO with its zero-JavaScript-by-default approach. Next.js with static export offers React compatibility. Hugo is extremely fast for large sites. The best choice depends on your needs, but Astro's ship-no-JS philosophy makes it ideal for marketing sites focused on SEO and AI visibility.
Yes. Modern SSG frameworks support 'islands architecture' where you add JavaScript only where needed. Astro's partial hydration lets you have interactive components while keeping most of the page static. This gives you SEO benefits of static HTML while still supporting dynamic features like forms, animations, or live data.