Your Marketing Site Doesn't Need a JavaScript Framework

Most marketing sites do not need React, Vue, or any client-side JavaScript framework. Eleventy generates plain HTML from templates, ships zero JavaScript by default, and builds thousands of pages in seconds. If your site exists to inform, convert, and rank -- not to run an interactive application -- eleventy development is the shortest path between your content and a fast, crawlable page.

We have shipped production Eleventy sites for documentation portals, local service businesses, and B2B marketing teams. Every single time, the story rhymes: the team was over-engineered before, paying a complexity tax for a framework that added nothing the visitor actually noticed. I remember one project where the previous agency had wired up a full Next.js deployment for what turned out to be nine static pages and a contact form. Eleventy removed the tax.

Why would you choose Eleventy over a JavaScript framework?

Because your marketing site is not an application. A React or Next.js bundle can easily start at 150 -- 300KB of JavaScript before you write a single line of business logic. All of that has to be downloaded, parsed, and executed before the visitor sees anything meaningful. For a five-page marketing site or a twenty-page documentation hub, that cost is pure waste.

Eleventy does one thing well. It takes templates and data and produces HTML files. No virtual DOM. No hydration step. No runtime. What you get out is what you wrote, transformed exactly how you specified. The result loads in a fraction of the time, and you can host it on basically any static CDN for almost nothing.

This matters for real, dollars-and-cents business reasons:

• Core Web Vitals scores improve immediately. No JavaScript bundle means near-zero Total Blocking Time and fast Largest Contentful Paint.
• Hosting costs drop to near zero. Static HTML on Cloudflare Pages, Netlify, or AWS S3 costs pennies per month, even at meaningful traffic volumes.
• Security surface area shrinks dramatically. No server, no database, no runtime means almost nothing to attack.
• Developer velocity stays high. Eleventy v3.1.0 shipped 11% faster builds and a 22% smaller install footprint. Build times for a 500-page site typically stay under five seconds.

When is Eleventy the right choice?

Eleventy fits best when your site is primarily content-driven and your team values control over convention. Here are the specific use cases where we reach for it:

• Marketing sites with 5 -- 200 pages. Landing pages, service pages, about pages, blog archives. No client-side routing needed.
• Documentation portals. Markdown-in, HTML-out, with full control over the output structure. Google's developer.chrome.com, the V8 blog, and ESLint's docs site all run on Eleventy.
• Microsites and campaign pages. Spin up fast, deploy to a CDN, tear down when the campaign ends.
• Sites where the team already has a templating preference. Eleventy supports Nunjucks, Liquid, Handlebars, JavaScript template literals, and several others. You pick what your team already knows.

The key question is whether your site needs persistent client-side state. If visitors fill out a multi-step form, manage a shopping cart, or interact with a real-time dashboard, a static site generator alone will not cover it. That is where you start evaluating whether to add targeted interactivity or move to a different architecture entirely.

When should you move beyond Eleventy?

We are honest about this. Eleventy is not the answer for every project, and we have migrated teams off it when their requirements outgrew what a purely static generator can do well. Your Eleventy Site Works -- Until You Need to Ship a Cart covers the specific inflection points -- cart functionality, authenticated user flows, dynamic product pages -- where Astro's island architecture or a full framework like Next.js becomes the better fit.

The global custom software development market is projected to grow from $43.16 billion in 2024 to $146.18 billion by 2030. More teams building more sites means the pressure to pick the right tool for the right job keeps ratcheting up. Defaulting to a heavy framework because "that is what we know" is an expensive habit. The 2026 industry trend toward simpler, more maintainable architectures -- what Leobit's engineering leadership describes as architects being "more willing to justify simpler designs when they better serve delivery speed, maintainability, and business goals" -- plays directly to Eleventy's strengths.

How does Eleventy compare to Astro?

Both are excellent static site generators. We use both in production. The differences are architectural:

• Eleventy is template-first. It generates HTML and gets out of the way. You bring your own CSS strategy, your own build tooling, your own deployment pipeline. Maximum flexibility, minimum opinions.
• Astro is component-first. It ships zero JavaScript by default (like Eleventy), but its island architecture lets you drop in React, Svelte, or Vue components that hydrate independently. Better ergonomics when you need pockets of interactivity.

For a pure content site where the team wants total control over the output markup, Eleventy wins on simplicity. For a marketing site that also needs an interactive pricing calculator or a client portal section, Astro's partial hydration model handles that without forcing you into a full SPA. CloudCannon's comparison notes that Eleventy "is the only purely static site generator that has reliably continued to grow in usage share," which says something about its staying power for teams that want stability over novelty.

How much does eleventy development cost?

There are no published industry benchmarks for Eleventy-specific development pricing. Anyone quoting you a universal number is guessing. What we can tell you is that the cost structure tilts in your favor compared to framework-heavy builds, for three reasons:

1. Shorter build timelines. A typical Eleventy marketing site takes us 3 -- 6 weeks from design handoff to production, compared to 6 -- 12 weeks for an equivalent Next.js build with SSR configuration, API routes, and deployment tuning.
2. Lower ongoing maintenance. No framework upgrades to chase, no breaking changes in a rendering pipeline you do not control. Eleventy's dependency footprint is small by design.
3. Cheaper infrastructure. Static hosting on a CDN runs $0 -- $20/month for most marketing sites. Compare that to a WordPress instance on managed hosting at $30 -- $150/month, or a Vercel Pro plan at $20/seat/month for a Next.js deployment.

If your current site runs on WordPress and you are paying for hosting, plugin licenses, and security monitoring, the math often works out in Eleventy's favor even after accounting for the migration cost. Why Your WordPress Site Is Slow (and How Next.js Fixes It) walks through the performance and cost comparison in detail -- and for many of those same sites, Eleventy would be an even lighter-weight answer than Next.js.

Does Eleventy work for industry-specific sites?

Yes, and we have built them. Local service businesses, dealerships, and niche B2B companies benefit most from the speed and crawlability of static HTML. A pest control company competing on local search gets more from a fast, properly structured static site than from a bloated WordPress theme with twelve unused plugins. An EV dealership building out educational content can publish hundreds of SEO-targeted pages without worrying about server load or caching configuration.

I personally helped migrate a team that was stuck on a legacy enterprise CMS -- the licensing alone cost more than their entire paid media budget. We have used Eleventy as the migration target for exactly these situations. Your TYPO3 Site Costs More Than Your Entire Marketing Stack is a real scenario we see repeatedly -- enterprise CMS hosting and licensing costs that dwarf the value the CMS actually provides, when the real requirement is just "publish HTML pages that rank well."

What Eleventy does not pretend to be

Eleventy is not a full-stack framework. It will not manage your database, handle user authentication, or process payments. It does not ship with a component model, a state management library, or an opinionated routing layer.

That is the point.

Every dependency you do not ship is a dependency you do not maintain, do not debug, and do not explain to the next developer who inherits the project. In a year where the industry is reckoning with the operational cost of over-engineered systems -- and where sustainability-conscious teams are starting to track carbon impact alongside project cost -- a tool that produces nothing but clean HTML is not a step backward. It is a deliberate architectural choice. For the right project, it is the best one you can make.