# Svelte, release history and use on real websites. A compiler-based framework that shifts work from the browser to the build step. It generates minimal vanilla JavaScript without a virtual DOM. The result is faster and smaller applications compared to traditional frameworks. - **Status:** Modern. Actively developed, Svelte 5 with the runes system released in 2024. - **Category:** [JS/CSS Frameworks](https://be1st.ai/technologies/framework) - **First release:** 2016 - **License:** MIT - **Latest version:** 5.57.3 (26 Oct 2026) - **Official website:** https://svelte.dev - **Documentation:** https://svelte.dev/docs - **GitHub:** https://github.com/sveltejs/svelte - **Page:** https://be1st.ai/technologies/framework/svelte ## Svelte on audited websites Tech Stack detected Svelte directly on 136 of the 16,845 websites audited by be1st (<1%). Websites built with SvelteKit run Svelte too but are not counted here; including them, Svelte is on at least 322 websites (1.9%). ### Websites running Svelte vs all websites - **Web score:** 69 (all websites 72) - **SEO:** 78 (all websites 79) - **Security:** 59 (all websites 59) - **Performance:** 58 (all websites 72) - **AI Readiness:** 33 (all websites 31) ### Most used in JS/CSS Frameworks 1. [Tailwind CSS](https://be1st.ai/technologies/framework/tailwind-css): 34% (5,653) 2. [jQuery](https://be1st.ai/technologies/framework/jquery): 29% (4,883) 3. [Next.js](https://be1st.ai/technologies/framework/next-js): 23% (3,836) 4. [React](https://be1st.ai/technologies/framework/react): 22% (3,626) 5. [Bootstrap](https://be1st.ai/technologies/framework/bootstrap): 13% (2,198) 6. [PHP](https://be1st.ai/technologies/framework/php): 3.0% (502) 7. [Lit](https://be1st.ai/technologies/framework/lit): 2.9% (487) 8. [Astro](https://be1st.ai/technologies/framework/astro): 2.4% (405) 9. [Vue.js](https://be1st.ai/technologies/framework/vue-js): 2.2% (373) 10. [Alpine.js](https://be1st.ai/technologies/framework/alpine-js): 2.0% (341) The number for React counts only websites where Tech Stack detects it directly, not websites built with Next.js, Gatsby, and Remix, which run it too. The number for Vue.js counts only websites where Tech Stack detects it directly, not websites built with Nuxt, which run it too. ## Svelte versions and release history 6 release lines since 2016, as listed by endoflife.date and the npm registry. The latest version is 5.57.3, released 26 Oct 2026. Supported according to endoflife.date: 5. | Version | Released | Latest release | Support | Releases | | --- | --- | --- | --- | --- | | 5 | 19 Oct 2024 | 5.57.3 (26 Oct 2026) | Supported | 344 | | 4 | 22 Jun 2023 | 4.2.20 (20 May 2025) | End of life, since 19 Oct 2024 | 30 | | 3 | 21 Apr 2019 | 3.59.2 (20 Jun 2023) | End of life, since 22 Jun 2023 | 152 | | 2 | 19 Apr 2018 | 2.16.1 (8 Feb 2019) | End of life, since 21 Apr 2019 | 57 | | 1 | 29 Nov 2016 | 1.64.1 (18 Apr 2018) | End of life, since 19 Apr 2018 | 178 | | 0.x (before 1.0) | 17 Nov 2016 | 0.3.0 (26 Nov 2016) | not listed | 8 | Release lines from endoflife.date come with support dates. Older major versions and release counts are from the npm registry; npm does not say whether they are supported. Sources: [endoflife.date](https://endoflife.date/svelte), [npm registry, package svelte](https://www.npmjs.com/package/svelte), checked 8 Nov 2026. ## Other technologies in JS/CSS Frameworks - [TanStack Start](https://be1st.ai/technologies/framework/tanstack-start): 1.9% of websites - [Nette](https://be1st.ai/technologies/framework/nette): 1.8% of websites - [Nuxt](https://be1st.ai/technologies/framework/nuxt): 1.5% of websites - [Angular](https://be1st.ai/technologies/framework/angular): 1.2% of websites - [Preact](https://be1st.ai/technologies/framework/preact): 1.2% of websites - [UnoCSS](https://be1st.ai/technologies/framework/unocss): 1.2% of websites - [Express](https://be1st.ai/technologies/framework/express): 1.1% of websites - [SvelteKit](https://be1st.ai/technologies/framework/sveltekit): 1.1% of websites - [ASP.NET](https://be1st.ai/technologies/framework/asp-net): 1.0% of websites - [Django](https://be1st.ai/technologies/framework/django): <1% of websites - [HTMX](https://be1st.ai/technologies/framework/htmx): <1% of websites - [Turbo (Hotwire)](https://be1st.ai/technologies/framework/turbo): <1% of websites [All 38 in JS/CSS Frameworks](https://be1st.ai/technologies/framework) ## Questions about Svelte ### What is Svelte? A compiler-based framework that shifts work from the browser to the build step. It generates minimal vanilla JavaScript without a virtual DOM. The result is faster and smaller applications compared to traditional frameworks. The be1st catalog lists Svelte under JS/CSS Frameworks. License of Svelte: MIT. ### What is the latest version of Svelte? The latest version of Svelte is 5.57.3, released 26 Oct 2026 (source: npm registry, package svelte). ### Which Svelte versions are still supported? According to endoflife.date, these Svelte release lines are supported: 5. ### How many websites use Svelte? Tech Stack detected Svelte directly on 136 of the 16,845 websites audited by be1st (<1%), as of 8 Nov 2026. Websites built with SvelteKit run Svelte too; counting them, Svelte is on at least 322 websites (1.9%). ### When was Svelte first released? Svelte was first released in 2016. ### Is Svelte still a modern choice? Yes. Svelte counts as a modern technology. Actively developed, Svelte 5 with the runes system released in 2024. ### What are the alternatives to Svelte? Technologies that do the same job as Svelte include React, Vue.js, Angular, Preact, and Solid.js. Numbers: latest audit of each of 16,845 websites audited by be1st, as of 8 Nov 2026.