The Astro Framework

Imagine building a website that feels as dynamic as a complex app but loads as fast as a simple HTML page.

That’s exactly what the Astro framework does! Astro is a web framework designed for building ultra-fast websites.

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Benefits of Astro

0% JavaScript by default
Content management via Markdown files or headless CMS
Framework-agnostic
Static or server-side rendering
Modern component architecture
Search engine friendly
Scalable & performant

Ultra-Performant: Fast Websites with the Astro Framework

While conventional frameworks often slow visitors down with tons of unnecessary JavaScript, the Astro framework takes a radical approach: “Zero JavaScript by Default.” Astro delivers pure HTML and only brings interactive elements to life when they’re actually needed.

The result: search engines love Astro websites, users benefit from better performance and UX, and developers can continue using their favorite frameworks like React, Vue, or Svelte.

In short: the Astro framework is built for content-focused websites that make no compromises between design and speed.

Astro Framework – Maximum Speed Through Radical Efficiency

In the modern web, load time determines business success. That’s why we rely on the Astro framework, which treats performance not just as a feature but as a foundation. While conventional frameworks often overload browsers with unnecessary code, Astro follows a consistent “zero-JS-by-default” philosophy.

Astro

63%

Wordpress

44%

Gatsby

42%

Next.js

27%

Nuxt

24%

% of real-world websites with good Core Web Vitals. Based on real performance data from the HTTP Archive and the Chrome UX Report.

Why the Astro Framework Makes the Difference:

Eliminating the JavaScript Burden

The Astro framework ships pure, highly optimized HTML by default. Interactive elements are only loaded where they’re actually needed (Islands Architecture). This also saves valuable processing power on your customers’ devices.

Optimal Core Web Vitals

Through the combination of SSG or SSR (static generation or server-side rendering) and intelligent asset management, the Astro framework achieves top scores in metrics like Largest Contentful Paint (LCP) and First Input Delay (FID).

SEO Advantage Through Speed

Search engines favor pages that are instantly ready. With the Astro framework, we minimize Time-to-Interactive, which directly translates into better rankings and higher visibility.

Sustainable Conversion Optimization

A smooth UX (User Experience) significantly reduces bounce rates. With Astro, we turn technical performance into a seamless user experience that guides visitors to their goal without delay.

Astro Islands – Maximum Performance Through Intelligent Decoupling

The core idea of the Astro framework is the isolation of interactivity. Instead of overloading the entire page with JavaScript (as classic single-page applications do), Astro renders everything as 100% static HTML and CSS by default. JavaScript is only loaded where you explicitly allow it.

The “Astro Islands” Principle (Islands Architecture)

Instead of loading the entire page with heavy JavaScript, the Astro framework uses independent, interactive modules.

How does it work? The majority of the page is delivered as pure, lightweight HTML from the server. Through selective hydration, interactive elements like navigation, sliders, or forms are only activated (loaded) when they enter the visible area (viewport), are required for personalization, or need direct user interaction.

Header (Interaktive Astro Island)

Seitenleiste (Statisches HTML)

Inhalt (Statisches HTML)

Bild-Slider (Interaktive Astro Island)

Footer (Statisches HTML)

The Astro Framework Has Everything You Need

The Astro framework delivers everything you need for a modern website.

Did you know? If a required feature can’t be covered by the existing integrations, we, as an official Astro partner agency, can build a custom solution for your specific use case as an integration.

Zero JavaScript

Astro entfernt automatisch ungenutztes JavaScript. Ihre Seiten laden blitzschnell – ohne dass Sie etwas tun müssen.

Content Collections

Organisieren und validieren Sie Ihre Inhalte mit TypeScript-Sicherheit. Perfekt für Blogs, Dokumentationen und mehr.

View Transitions

Nahtlose animierte Seitenübergänge wie in nativen Apps – ohne zusätzliches JavaScript oder komplexe Konfiguration.

Optimierte Bilder

Automatische Bildoptimierung mit WebP/AVIF Konvertierung, Lazy Loading und responsive Bildgrößen ermöglichen bis zu 60% kleinere Bilddateien und damit ein schnelleres Laden Ihrer Website.

⚡️ 480px · WEBP · 63kb

3600px · PNG · 487kb

Framework agnostisch

Nutzen Sie React, Vue, Svelte, Solid oder Preact – sogar gemischt in einem Projekt. Volle Flexibilität bei der Framework-Wahl.

Deploy Anywhere

Vercel, Netlify, Cloudflare, AWS – deployen Sie überall mit offiziellen Adaptern. Ein Befehl, fertig.

TypeScript Native

Volle TypeScript-Unterstützung out-of-the-box. Typ-Sicherheit für Ihre gesamte Codebase ohne Konfiguration.

File-Based Routing

Die Dateistruktur wird zur URL-Struktur. Einfach, intuitiv und ohne Konfiguration. Aus der Datei "uber-uns.mdx" wird in Ihrer Website "www.ihre-firma.de/ueber-uns"

Instant Page Loads

Intelligentes Prefetching lädt Seiten vor, bevor Nutzer klicken. Das Ergebnis: Seitenwechsel ohne Verzögerungen.

AI Ready

Inspizieren Sie Islands, prüfen Sie Accessibility und erweitern Sie mit Apps. Entwicklung wird zum Vergnügen.

Server Islands

Dynamische Komponenten in statischen Seiten. Personalisierung und Echtzeit-Daten ohne Performance-Einbußen.

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Seibert Group GmbH

Luisenstraße 37-39, 65185 Wiesbaden

+49 611 20570 0 astro-help@seibert.group