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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - LouisKlimek/HeadlessDetectJS: 🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser. · GitHub
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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - LouisKlimek/HeadlessDetectJS: 🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser. · GitHub
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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - LouisKlimek/HeadlessDetectJS: 🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser. · GitHub
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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ' GitHub - LouisKlimek/HeadlessDetectJS: 🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser. · GitHub
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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - LouisKlimek/HeadlessDetectJS: 🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser. · GitHub
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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - LouisKlimek/HeadlessDetectJS: 🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser. · GitHub
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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); GitHub - LouisKlimek/HeadlessDetectJS: 🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser. · GitHub
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🐔 HeadlessDetectJS

A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Table of Contents

About The Project

This JavaScript library is only going to test and provide a score for the likelihood of a user using a HEADLESS BROWSER and NOT BROWSER AUTOMATION in general.

Also check out this Article if you want to find out how this was build.

Getting Started

Installation

  1. Get the headlessDetect.js file and put it in your Project Folder.

  2. Link to it in the HTML of your Website.

<script type="text/javascript" src="./headlessDetect.js"> </script>
  1. Construct a new Headless Detector and can call the getHeadlessScore() Function to see the likelihood of a user using a Headless Browser and then do with it whatever you want.
var headlessDetector = new HeadlessDetect();
if(headlessDetector.getHeadlessScore() > 0.25){
console.log("Headless Browser detected");
}

Contributing

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

License

Distributed under the Apache License 2.0. See LICENSE for more information.

About

🐔 A JavaScript library that provides a score for the likelihood of a user using a headless browser.

Topics

Resources

Stars

37 stars

Watchers

1 watching

Forks

Releases

Packages

Contributors

Languages