Eleventy (11ty): vendor profile

In short

Eleventy is being renamed Build Awesome, announced on 2026-03-03, and joined Font Awesome on 2024-09-12 with the same maintainer. Version 3.1.8 was published on 2026-11-03. Sitemaps and llms.txt are templates a site writes, and server rendering is gone since the Edge and Serverless plugins were retired. www.11ty.dev has no llms.txt: it answered 404 on 2026-11-05.

At a glance

standards.txt eleventy

llms-txt               = no statement
markdown-negotiation   = no statement
markdown-twin          = no statement
initial-html           = supports
real-404               = partial
vary-accept            = no statement

1 supports, 1 partial or announced, 4 no statement.

Eleventy Framework

Eleventy (11ty), now being renamed Build Awesome, is a JavaScript static site generator that turns Markdown, Nunjucks, Liquid and other templates into plain HTML files, with a 404.html convention and no server runtime.

Type: Framework
Operator, as the facts below state it: Font Awesome
Home page: www.11ty.dev, answered HTTP 200 on 2026-11-05
Last read: 5 November 2026

What it does for this layer

The Eleventy getting-started guide describes templates in Markdown, HTML, Liquid, Nunjucks and other formats that Eleventy transforms into pages at build time. [primary source] source, read 5 November 2026.
Eleventy's quickstart sets a project up by hand with npm init, `npm install @11ty/eleventy` and `npx @11ty/eleventy`, and names v3.1.8 as the newest version. [primary source] source, read 5 November 2026.
Eleventy v3.1.8 was published on GitHub on 3 November 2026; the patch reverts the Nunjucks dependency to nunjucks@3.2.4 to fix regressions with setLibrary. [primary source, 2026-11-03] source, read 5 November 2026.
On 3 March 2026 the Eleventy blog announced the project is being renamed Build Awesome, with Eleventy v4 to ship as Build Awesome v4 and existing plugins and build commands kept compatible. [primary source, 2026-03-03] source, read 5 November 2026.
The Build Awesome post says a paid Build Awesome Pro tier is planned but will not be required to use the open source generator. [primary source] source, read 5 November 2026.
Eleventy joined Font Awesome, announced on the 11ty blog on 12 September 2024, with the open source project continuing under the same maintainer. [primary source, 2024-09-12] source, read 5 November 2026.
Eleventy's 404 quick tip writes a template with permalink: 404.html, which Eleventy outputs as a static 404.html file. [primary source] source, read 5 November 2026.
The Eleventy Dev Server, added in v2.0.0 and started with --serve, applies the 404.html convention during local development. [primary source] source, read 5 November 2026.
Eleventy's official plugin list (all under the @11ty npm scope) covers Image, Fetch, RSS, i18n, Navigation, Render and others, with no sitemap or llms.txt plugin listed. [primary source] source, read 5 November 2026.
Eleventy's Edge and Serverless plugins, which ran templates in edge or serverless functions for server-side rendering, are listed as retired. [primary source] source, read 5 November 2026.
On 2026-11-05 www.11ty.dev returned 404 for /llms.txt, answered Accept: text/markdown with text/html, and sent a made-up path through a 308 trailing-slash redirect before a 404. [observed, 2026-11-05] source, read 5 November 2026.
The Eleventy source repository now lives at github.com/11ty/buildawesome under the MIT license, described as a simpler site generator that turns a directory of templates into HTML. [primary source] source, read 5 November 2026.

Products and plans

Plans and prices as the vendor's own pages showed them on the date read.
Product	What it is	Price	As of	Source
Eleventy (Build Awesome)	Open source JavaScript static site generator that turns templates in many languages into HTML files.	Free, open source MIT license; a paid Build Awesome Pro tier is planned and optional	2026-11-05	source

Standards

The six standards this site tracks; no statement means the pages read said nothing.
Standard	Status	What the vendor's pages say	Source
llms-txt	no statement	No statement found in the Eleventy docs, quick tips index or official plugin list; www.11ty.dev and build.awesome.me both returned 404 for /llms.txt.	none
markdown-negotiation	no statement	No statement found in the Eleventy getting-started guide or 404 quick tip; Eleventy writes static files to _site and the host serves them.	none
markdown-twin	no statement	No statement found in the docs or official plugin list about writing .md copies of pages.	none
initial-html	supports	The getting-started guide says Eleventy transforms each template into a page at build time, so output is complete HTML.	source
real-404	partial	Eleventy writes 404.html; listed hosts serve it automatically and .htaccess hosts need ErrorDocument, per the 404 quick tip.	source
vary-accept	no statement	No statement found in the Eleventy getting-started guide, quick tips index or official plugin list about Vary.	none

Checks on its own site

Readings of 11ty.dev, the vendor's own website, which describe that site and not the product.
Reading	Result	Date
Home page request	HTTP 200; H1 in the initial HTML: yes; 1,440 words; 0 JSON-LD blocks	2026-11-05
Request with Accept: text/markdown	HTTP 200, text/html, no Vary header	2026-11-05
/llms.txt at the host root	HTTP 404, text/html, 103 KB	2026-11-05
A made-up path	HTTP 308, redirect to /agent-ready-check-2rryfckk/, then HTTP 404	2026-11-05
Ora score, cached	38, grade D	2026-08-25
Cloudflare keyless scan	20, L1 Basic Web Presence	2026-11-05

What it does not do

The Eleventy 404.html file gets a 404 status from the host, not from Eleventy; on Apache it needs an ErrorDocument line. source, read 5 November 2026.

Related pages on this site

Sources

Eleventy home page https://www.11ty.dev/, read 5 November 2026
Getting Started | Eleventy https://www.11ty.dev/docs/, read 5 November 2026
Release Eleventy v3.1.8 · 11ty/buildawesome · GitHub https://github.com/11ty/buildawesome/releases/tag/v3.1.8, read 5 November 2026
Eleventy is now Build Awesome | Eleventy https://www.11ty.dev/blog/build-awesome/, read 5 November 2026
11ty is joining Font Awesome | Eleventy https://www.11ty.dev/blog/eleventy-font-awesome/, read 5 November 2026
Quick Tip: Adding a 404 Not Found Page to your Static Site | Eleventy https://www.11ty.dev/docs/quicktips/not-found/, read 5 November 2026
Plugins | Eleventy https://www.11ty.dev/docs/plugins/, read 5 November 2026
GitHub - 11ty/buildawesome: A simpler site generator. Transforms a directory of templates (of varying types) into HTML. · GitHub https://github.com/11ty/buildawesome, read 5 November 2026

Last reviewed 5 November 2026