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andyfutcher/headless.html

Last active February 14, 2026 01:24
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Better Prompt Rocket Main JS HTMLless Snippet; this helps speed up page-speed and lighthouse scores by deferring resources until the DOM has loaded fully.
Raw
headless.html
<!DOCTYPE html>
<html lang="en">
<head>
<!-- Page Customisation: START -->
<!-- Page Encoding -->
<meta charset="UTF-8">
<!-- Page Meta -->
<title>Blank Main.JS Snippet</title>
<meta name="author" content="Your Name">
<meta name="website" content="Your Website">
<meta name="description" content="Blank test page for Main.JS Project including the snippet for maximum performance!">
<meta name="robots" content="all">
<link rel="canonical" href="https://www.mainjs.org/install-snippet.html">
<noscript><base href="https://www.mainjs.org/"></noscript>
<!-- Custom Main.HTML & Main.JS -->
<meta property="main.js.example" content="new value here">
<!-- Page Customisation: END -->
<!-- Main.JS Snippet: START -->
<script> /* GNU General Public License v3.0
# Betterprompt Rocket Main.JS is a modern, lightweight and portable website JavaScript framework, Copyright (C) 2026 Better Prompt Pty Ltd. See <https://www.betterprompt.com/> for more
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
# Main.JS not modified from original. Date: 2026-02-14 ### */
var main={version:{sem:{main:0,minor:8,patch:30},branch:'dev',htmlless:false},meta:{},js:{proto:{fs:'/',fs2:'//',https:'https:',http:'http:',file:'file:'},create:{base:document.createElement('base'),theme:document.createElement('link'),script:document.createElement('script'),style:document.createElement("style")},css:{loaded:false},regex:{base:/.*(\:\/\/|public\B|-html\b|-js\b|-dev\b|-rc\b|-main\b|-com\b|-com-[a-z]|-co-[a-z])[a-zA-Z0-9\-\_\.]*/i}}}; // Declare Main Object
main.meta.canonical=document.querySelector('link[rel="canonical"]')||{href:null};main.meta.canonical.href=main.meta.canonical.href||main.meta.canonical.content||window.location.href.split('?')[0]; // Webpages Canonical URL
main.meta.theme=document.querySelector('meta[name="theme"]')||document.querySelector('meta[property$=".theme"]')||{content:null};main.meta.theme.content=main.meta.theme.content||main.meta.theme.href||'default.css'; // Webpages Canonical URL
switch(window.location.protocol){case main.js.proto.https:main.js.create.base.href=(window.location.origin+window.location.pathname).match(main.js.regex.base)[0]+main.js.proto.fs; // Origin Execution
break;case main.js.proto.file:main.js.create.base.href=(window.location.protocol+main.js.proto.fs2+window.location.pathname).match(main.js.regex.base)[0]+main.js.proto.fs; // Local Execution
break;case main.js.proto.http:window.location.href=main.js.proto.https+window.location.host+window.location.pathname; // Redirect to HTTPS Version
break;default:if(!!main.meta.canonical.tagName){window.location.href=main.meta.canonical.href;}; // Unknown Protocol, Redirect to Canonical
};main.base=main.js.create.base.href;document.head.appendChild(main.js.create.base); // Inject Base Tag
Object.assign(main.js.create.theme,main.version.htmlless||{id:"main-theme",rel:"preload",as:"style",href:"main/theme/"+main.meta.theme.content+"?version="+Object.values(main.version.sem).join('.')});document.head.appendChild(main.js.create.theme).setAttribute('onload',"this.onload=null;this.rel='stylesheet'"); // Inject Lazy Loaded CSS
Object.assign(main.js.create.style,{id:"main-css"});document.head.appendChild(main.js.create.style);main.js.css=Object.assign(main.js.css,{sheet:main.js.create.style.sheet.insertRule('main, footer { visibility: hidden; }',0),index:{loading:0}}); // Inject Main CSS Head
Object.assign(main.js.create.script,{id:"main-js",src:"main/main.js?version="+Object.values(main.version.sem).join('.'),defer:'true'});document.head.appendChild(main.js.create.script); // Inject Deferred JS Script
</script><noscript><link rel="stylesheet" href="main/theme/default.css"></noscript>
<!-- Main.JS Snippet: END -->
<!-- ### Main.JS insert add-on Main.JS scripts after this line. ### -->
<!-- Viewport -->
<meta name="generator" content="Betterprompt Rocket">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="icon" href="favicon.svg"><link rel="apple-touch-icon" href="favicon.svg">
</head>
<body>
<!-- Example Page -->
<dialog role="alertdialog" open>
<div id="blank-page" aria-label="Main.JS Example Install">
<div>
<h1>Betterprompt Main.JS Example Install: <small><code><strong>install-snippet</strong>.html</code></small></h1>
<p>This is a test page for Main.JS, use this project to install Betterprompt Main.JS on a pre-exisiting website.<br>Next steps: open the console and type <code>main</code> to ensure everything is loaded correctly...</p>
<p>See this page HTML and inspect the &lt;head&gt; to find the Snippet: <mark>This is the preferred Installation Method!!</mark>.</p>
<p class="float right">
<a href="https://example.com/" class="button">Main</a>
</p>
</div>
</div>
</dialog>
</body>
</html>
@andyfutcher

andyfutcher commented Feb 14, 2026

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Author

@betterprompt-com Rocket is an AI-optimised, accessibility-first web template designed for the generative era. While traditional frameworks are built for human eyes, Rocket is built for Machine Understanding. By leveraging hyper-semantic HTML and a zero-dependency architecture, Rocket allows LLMs to generate, modify, and scale digital properties with perfect accuracy and minimal token overhead.

AI-Optimized Advantages

  • Token Efficiency: Minimalist structure ensures your entire site architecture fits within standard LLM context windows.
  • Semantic Predictability: Uses strict ARIA and HTML5 standards, reducing AI "hallucinations" during component generation.
  • Prompt-Ready Templates: Includes built-in system prompts to help your AI agent understand how to extend the site.
  • Client-Side Intelligence: Platform-agnostic JS that allows AI-generated content to adapt to user behavior in real-time.

Check out Better Prompt Rocket project for more...

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