What is a Static Site Generator (SSG)?

A static site generator, often abbreviated to SSG, can seem like a somewhat nebulous concept if you’re new to the world of web development. But, trust me, they’re far simpler than they initially appear to be.

What is a Static Site Generator?

In this article, we’re going to dive into the nitty-gritty of SSGs, their benefits, and typical use cases. By the end, I hope to demystify this topic and inspire you to explore whether an SSG could be right for your next project.

What is a Static Site Generator (SSG)?

An SSG is like a secret agent of web development. It quietly pre-renders your application into HTML at build time. In layman’s terms, it takes your dynamic, feature-rich web application and translates it into plain ol’ HTML, CSS, and JavaScript before the user ever makes a request.

This approach may sound overly simplistic, but that’s exactly where the magic happens. The final product is a set of static web pages that are lightning-fast, secure, and easy to serve.

Why Do We Need SSGs?

Now, you may be wondering, why go through all this trouble? Why pre-render dynamic pages into static HTML? 

Cost Effectiveness

One of the most compelling reasons to use an SSG is its cost-effectiveness. Static sites are generally cheaper to host because they require fewer server resources.

They don’t need a database or server-side rendering every time a user visits the site. Some hosting platforms even offer free hosting for static websites.

So, by using an SSG, you’re not just boosting your site’s performance; you’re potentially saving a lot of money in hosting costs. And who doesn’t love a good bargain?


Security is a significant concern in the digital world, and SSGs can help here as well. Since static sites consist of pre-built HTML pages, they don’t have databases, user input, or server-side functionality that can be exploited.

This doesn’t mean that static sites are impervious to attacks, but the risk is significantly reduced compared to dynamic sites. So, if you’re handling sensitive information or simply want peace of mind, an SSG is a great way to get a more secure site.


Search Engine Optimization, or SEO, is the bread and butter of any digital marketing strategy. Good SEO means your pages are easily indexable by search engine crawlers, which in turn improves your site’s visibility.

SSGs inherently improve SEO because the crawlers have an easier time indexing static HTML pages compared to dynamic ones.


Speed is king in the digital world. A slow-loading site will frustrate users and lead to high bounce rates. By serving pre-rendered HTML pages, SSGs significantly reduce the processing the user’s browser has to do.

The result? A faster, more enjoyable browsing experience.

Caching with CDNs

Building HTML pages opens up the exciting possibility of leveraging the power of Content Delivery Networks (CDNs). CDNs allow pages to be stored closer to the user’s location, making access faster. Instead of waiting for a server to render a page for each request, the CDN delivers the pre-rendered page, saving both computational resources and money. It’s a win-win!

When Should You Use an SSG?

While it’s true that you could use an SSG in any scenario where the page can be rendered at build time, there are a few use cases where SSGs really shine:

  1. Marketing Websites: Static sites are perfect for marketing efforts. They load fast, are SEO-friendly, and can be easily updated with new content.
  2. Blogs and Documentation: Got a blog or online documentation? SSGs can help make them super quick to load and easy to maintain.
  3. Portfolio Websites: Want to showcase your work in the best possible light? A portfolio site built with an SSG is a great way to do it.

Examples of Static Site Generators

The web development world has a wealth of Static Site Generators, each tailored to unique development needs. Here are some of the most popular ones:

  • Jekyll: Built-in Ruby, Jekyll is one of the pioneering SSGs and integrates seamlessly with GitHub Pages. It’s ideal for blogs and personal/organization sites.
  • Hugo: Renowned for its incredible build speed, Hugo is an open-source SSG built in Go. It’s feature-rich and performs impressively across small and large projects.
  • Gatsby: A modern site generator using React, Gatsby can fetch data from various sources and generate a high-performance static website. It’s perfect for those seeking to leverage the best parts of React, web performance, and modern workflows.
  • Next.js: More than an SSG, Next.js is a complete React framework that supports server-side rendering (SSR) and static site generation. It’s an excellent choice for more complex projects and applications.
  • Eleventy (11ty): Eleventy is a simpler and more flexible alternative to other JavaScript-based SSGs. It supports a wide array of templates and is not tied to any specific frontend framework. It’s a great choice for developers seeking simplicity and wanting to avoid JavaScript bloat.

The world of SSGs is exciting, dynamic, and evolving. Whether you’re a budding developer or a seasoned pro, I hope you’re now convinced of the power and versatility of static site generation. 

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