# Tailwind CSS, release history and use on real websites.

A utility-first CSS framework that allows styling directly in HTML using pre-built classes. It eliminates writing custom CSS and ensures consistent design.

- **Status:** Modern. Actively developed, Tailwind CSS 4 released in 2025.
- **Category:** [JS/CSS Frameworks](https://be1st.ai/technologies/framework)
- **First release:** 2017
- **License:** MIT
- **Latest version:** 4.3.5 (6 Nov 2026)
- **Official website:** https://tailwindcss.com
- **Documentation:** https://tailwindcss.com/docs
- **GitHub:** https://github.com/tailwindlabs/tailwindcss
- **Page:** https://be1st.ai/technologies/framework/tailwind-css

## Tailwind CSS on audited websites

5,653 of the 16,845 websites audited by be1st run Tailwind CSS (34%). That ranks it #1 of the 35 technologies in JS/CSS Frameworks we have seen in audits.

### Websites running Tailwind CSS vs all websites

- **Web score:** 76 (all websites 72)
- **SEO:** 82 (all websites 79)
- **Security:** 63 (all websites 59)
- **Performance:** 78 (all websites 72)
- **AI Readiness:** 32 (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.

## Tailwind CSS versions found in audits

Tech Stack has found 78 different Tailwind CSS versions in audits so far. A version stays on this list even after the website that ran it has updated. Our daily version check compares each one with the official release data and with OSV.dev.

- 0 on the latest version
- 78 outdated
- 0 with known vulnerabilities

58 of these versions are on a release line that no longer gets fixes.

| Version | Status | Known vulnerabilities | Update to |
| --- | --- | --- | --- |
| 4.3.4 | Outdated | 0 | 4.3.5 |
| 4.3.3 | Outdated | 0 | 4.3.5 |
| 4.3.2 | Outdated | 0 | 4.3.5 |
| 4.3.1 | Outdated | 0 | 4.3.5 |
| 4.3.0 | Outdated | 0 | 4.3.5 |
| 4.2.4 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.2.3 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.2.2 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.2.1 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.2.0 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.18 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.17 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.16 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.15 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.14 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.13 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.12 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.11 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.10 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.9 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.8 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.7 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.6 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.5 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.4 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.3 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.1.1 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.17 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.14 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.12 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.9 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.8 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.6 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.5 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.4 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.1 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 4.0.0 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.4.19 | Outdated | 0 | 4.3.5 |
| 3.4.18 | Outdated | 0 | 3.4.19 |
| 3.4.17 | Outdated | 0 | 3.4.19 |
| 3.4.16 | Outdated | 0 | 3.4.19 |
| 3.4.15 | Outdated | 0 | 3.4.19 |
| 3.4.13 | Outdated | 0 | 3.4.19 |
| 3.4.11 | Outdated | 0 | 3.4.19 |
| 3.4.10 | Outdated | 0 | 3.4.19 |
| 3.4.7 | Outdated | 0 | 3.4.19 |
| 3.4.6 | Outdated | 0 | 3.4.19 |
| 3.4.5 | Outdated | 0 | 3.4.19 |
| 3.4.4 | Outdated | 0 | 3.4.19 |
| 3.4.3 | Outdated | 0 | 3.4.19 |
| 3.4.1 | Outdated | 0 | 3.4.19 |
| 3.4.0 | Outdated | 0 | 3.4.19 |
| 3.3.5 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.3.3 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.3.2 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.3.1 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.3.0 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.2.7 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.2.4 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.2.2 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.2.1 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.1.8 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.1.7 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.1.6 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.1.4 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.1.3 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.1.2 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.1.0 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.0.24 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.0.23 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.0.18 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.0.12 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.0.7 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 3.0.0 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 2.2.19 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 2.2.17 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 2.2.7 | Outdated (release line without fixes) | 0 | 4.3.5 |
| 2.0.3 | Outdated (release line without fixes) | 0 | 4.3.5 |

Vulnerabilities from OSV.dev, checked 8 Nov 2026.

## Tailwind CSS versions and release history

23 release lines since 2017, as listed by endoflife.date and the npm registry. The latest version is 4.3.5, released 6 Nov 2026. Supported according to endoflife.date: 4.3, 3.4 (until 28 Feb 2027).

| Version | Released | Latest release | Support | Releases |
| --- | --- | --- | --- | --- |
| 4.3 | 8 May 2026 | 4.3.5 (6 Nov 2026) | Supported | - |
| 4.2 | 18 Feb 2026 | 4.2.4 (21 Apr 2026) | End of life, since 8 May 2026 | - |
| 4.1 | 1 Apr 2025 | 4.1.18 (11 Dec 2025) | End of life, since 18 Feb 2026 | - |
| 4.0 | 21 Jan 2025 | 4.0.17 (26 Mar 2025) | End of life, since 1 Apr 2025 | - |
| 3.4 | 18 Dec 2023 | 3.4.19 (10 Dec 2025) | Supported, until 28 Feb 2027 | - |
| 3.3 | 28 Mar 2023 | 3.3.7 (18 Dec 2023) | End of life, since 18 Dec 2023 | - |
| 3.2 | 19 Oct 2022 | 3.2.7 (16 Feb 2023) | End of life, since 28 Mar 2023 | - |
| 3.1 | 8 Jun 2022 | 3.1.8 (5 Aug 2022) | End of life, since 19 Oct 2022 | - |
| 3.0 | 9 Dec 2021 | 3.0.24 (12 Apr 2022) | End of life, since 8 Jun 2022 | - |
| 2.2 | 17 Jun 2021 | 2.2.19 (29 Oct 2021) | End of life, since 9 Dec 2021 | - |
| 2.1 | 5 Apr 2021 | 2.1.4 (2 Jun 2021) | End of life, since 17 Jun 2021 | - |
| 2.0 | 18 Nov 2020 | 2.0.5 (5 Apr 2021) | End of life, since 5 Apr 2021 | - |
| 1.9 | 12 Oct 2020 | 1.9.6 (23 Oct 2020) | End of life, since 18 Nov 2020 | - |
| 1.8 | 4 Sep 2020 | 1.8.13 (10 Oct 2020) | End of life, since 12 Oct 2020 | - |
| 1.7 | 18 Aug 2020 | 1.7.6 (29 Aug 2020) | End of life, since 4 Sep 2020 | - |
| 1.6 | 28 Jul 2020 | 1.6.3 (18 Aug 2020) | End of life, since 18 Aug 2020 | - |
| 1.5 | 15 Jul 2020 | 1.5.2 (21 Jul 2020) | End of life, since 28 Jul 2020 | - |
| 1.4 | 29 Apr 2020 | 1.4.6 (8 May 2020) | End of life, since 15 Jul 2020 | - |
| 1.3 | 20 Apr 2020 | 1.3.5 (23 Apr 2020) | End of life, since 29 Apr 2020 | - |
| 1.2 | 5 Feb 2020 | 1.2.0 (5 Feb 2020) | End of life, since 20 Apr 2020 | - |
| 1.1 | 6 Aug 2019 | 1.1.4 (25 Nov 2019) | End of life, since 5 Feb 2020 | - |
| 1.0 | 13 May 2019 | 1.0.6 (1 Aug 2019) | End of life, since 6 Aug 2019 | - |
| 0.x (before 1.0) | 1 Nov 2017 | 0.7.4 (23 Jan 2019) | not listed | 31 |

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/tailwind-css), [npm registry, package tailwindcss](https://www.npmjs.com/package/tailwindcss), checked 8 Nov 2026.

## Google searches for “tailwind css”

About 301,000 searches a month worldwide (Google Ads estimate). The bars show the 12 months from Oct 2025 to Sep 2026.

- 2025-10: 450,000
- 2025-11: 450,000
- 2025-12: 368,000
- 2026-01: 450,000
- 2026-02: 301,000
- 2026-03: 368,000
- 2026-04: 246,000
- 2026-05: 301,000
- 2026-06: 301,000
- 2026-07: 201,000
- 2026-08: 201,000
- 2026-09: 246,000

Open in search trends: https://be1st.ai/analytics/trends?kw=tailwind%20css&direction=all

## 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 Tailwind CSS

### What is Tailwind CSS?

A utility-first CSS framework that allows styling directly in HTML using pre-built classes. It eliminates writing custom CSS and ensures consistent design. The be1st catalog lists Tailwind CSS under JS/CSS Frameworks. License of Tailwind CSS: MIT.

### What is the latest version of Tailwind CSS?

The latest version of Tailwind CSS is 4.3.5, released 6 Nov 2026 (source: npm registry, package tailwindcss).

### Which Tailwind CSS versions are still supported?

According to endoflife.date, these Tailwind CSS release lines are supported: 4.3, 3.4 (until 28 Feb 2027).

### How many websites use Tailwind CSS?

5,653 of the 16,845 websites audited by be1st run Tailwind CSS (34%), as of 8 Nov 2026.

### When was Tailwind CSS first released?

Tailwind CSS was first released in 2017.

### Is Tailwind CSS still a modern choice?

Yes. Tailwind CSS counts as a modern technology. Actively developed, Tailwind CSS 4 released in 2025.

### What are the alternatives to Tailwind CSS?

Technologies that do the same job as Tailwind CSS include Bootstrap, UnoCSS, Bulma, and Foundation.

Numbers: latest audit of each of 16,845 websites audited by be1st, as of 8 Nov 2026.