Cthulhu is no longer a fork. Now it is a screen reader written in Golang.

tests/browser.html

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+<!doctype html>
+<html lang="en"><meta charset="utf-8"><title>Cthulhu Browser Probe</title>
+<body>
+<script>
+document.addEventListener('keydown', event => {
+  if (event.key === 'F8') {
+    document.title = 'Cthulhu Browser Probe updated';
+    event.preventDefault();
+  }
+  if (event.key === 'F9') {
+    const region = document.getElementById('chat-announcements');
+    region.replaceChildren();
+    const message = document.createElement('div');
+    message.textContent = 'Username: Test message';
+    region.appendChild(message);
+    event.preventDefault();
+  }
+});
+</script>
+<h1 tabindex="0">Browser foundation</h1>
+<h2 tabindex="0">Reading section</h2>
+<p>Plain document text with Café and 猫.</p>
+<ul aria-label="Example list"><li>Example item</li><li style="white-space: pre">Registered:   <strong>September <em>2026</em></strong></li></ul>
+<div role="separator" aria-label="Section separator">Section separator</div>
+<a href="#target" onclick="document.getElementById('following').replaceChildren('Text refreshed after the ordinary heading.')">Example link</a>
+<label>Display name <input required></label>
+<label>Secret <input type="password" value="private-probe-value"></label>
+<label><input type="checkbox">Remember choice</label>
+<button aria-expanded="false" onclick="this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') !== 'true')">Details</button>
+<p id="target">Link destination</p>
+<h2>Ordinary unfocusable heading</h2>
+<p id="following">Text after the ordinary heading.</p>
+<iframe title="Embedded reading" srcdoc="<!doctype html><html lang='en'><body><h3>Embedded heading</h3><p>Embedded document text.</p></body></html>"></iframe>
+<button aria-haspopup="menu">Popup actions</button>
+<button aria-haspopup="menu" aria-pressed="false">Popup toggle</button>
+<button>Ordinary action</button>
+<div id="chat-announcements" role="status" aria-live="polite" aria-atomic="true"></div>
+<table aria-label="Navigation probe">
+<caption>Navigation probe</caption>
+<tr><th scope="col">Item</th><th scope="col">Count</th></tr>
+<tr><th scope="row">Apples</th><td>Five</td></tr>
+<tr><td colspan="2">Merged total</td></tr>
+<tr><td><span>Last</span> <span>item</span></td><td></td></tr>
+</table>
+</body></html>