diff --git a/widget/js/puzzle.js b/widget/js/puzzle.js
index b8422f56..04621bb1 100644
--- a/widget/js/puzzle.js
+++ b/widget/js/puzzle.js
@@ -46,7 +46,7 @@ async function fetchWithBackoff(url, options, maxAttempts, initialDelay = 800, m
             if (response.ok) {
                 return response;
             } else {
-                console.warn('[privatecaptcha]', `HTTP request failed. status=${response.status}`);
+                console.warn('[privatecaptcha]', `HTTP request failed. url=${url} status=${response.status}`);
             }
 
             if ((response.status >= 400) && (response.status < 500) &&
diff --git a/widget/test/widget.test.js b/widget/test/widget.test.js
index 0ed91309..eb19a62b 100644
--- a/widget/test/widget.test.js
+++ b/widget/test/widget.test.js
@@ -12,6 +12,23 @@ global.HTMLElement = window.HTMLElement;
 global.CustomEvent = window.CustomEvent;
 global.CSSStyleSheet = window.CSSStyleSheet;
 
+const originalFetch = window.fetch.bind(window);
+const patchedFetch = (url, options = {}) => {
+    const headers = new window.Headers(options.headers || {});
+    if (!headers.has('Origin')) {
+        headers.set('Origin', 'not.empty');
+    }
+
+    return originalFetch(url, {
+        ...options,
+        headers
+    });
+};
+window.fetch = patchedFetch;
+globalThis.fetch = patchedFetch;
+
+const testSitekey = 'aaaaaaaabbbbccccddddeeeeeeeeeeee';
+
 // we have to mock worker too
 global.Worker = class Worker {
     constructor() {
@@ -63,7 +80,7 @@ test('CaptchaWidget execute() fires finished event and callback', async (t) => {
     assert.ok(element, 'Should find captcha element');
 
     const widget = new CaptchaWidget(element, {
-        sitekey: 'aaaaaaaabbbbccccddddeeeeeeeeeeee',
+        sitekey: testSitekey,
         debug: true
     });
 
@@ -98,3 +115,105 @@ test('CaptchaWidget execute() fires finished event and callback', async (t) => {
 
     console.log('✓ Widget execute test passed');
 });
+
+test('CaptchaWidget init() fires init event and callback', async (t) => {
+    document.body.innerHTML = `
+        <form>
+            <div class="private-captcha"
+                 data-init-callback="testInitCallback">
+            </div>
+        </form>
+    `;
+
+    let callbackCalled = false;
+    global.window.testInitCallback = (widget) => {
+        callbackCalled = true;
+    };
+
+    const { CaptchaWidget } = await import('../js/widget.js');
+
+    const element = document.querySelector('.private-captcha');
+    assert.ok(element, 'Should find captcha element');
+
+    const widget = new CaptchaWidget(element, {
+        sitekey: testSitekey,
+        debug: true
+    });
+
+    // Set up event listener
+    let eventFired = false;
+    element.addEventListener('privatecaptcha:init', (event) => {
+        eventFired = true;
+        assert.ok(event.detail.widget, 'Event should include widget in detail');
+        assert.strictEqual(event.detail.element, element, 'Event should include element in detail');
+    });
+
+    widget.init(false);
+
+    await new Promise((resolve, reject) => {
+        const timeout = setTimeout(() => {
+            reject(new Error('Event timeout after 5000ms'));
+        }, 5000);
+
+        element.addEventListener('privatecaptcha:init', () => {
+            clearTimeout(timeout);
+            resolve();
+        }, { once: true });
+    });
+
+    assert.strictEqual(eventFired, true, 'privatecaptcha:init event should be fired');
+    assert.strictEqual(callbackCalled, true, 'Init callback should be called');
+
+    console.log('✓ Widget init test passed');
+});
+
+test('CaptchaWidget execute() fires started event and callback', async (t) => {
+    document.body.innerHTML = `
+        <form>
+            <div class="private-captcha"
+                 data-started-callback="testStartedCallback">
+            </div>
+        </form>
+    `;
+
+    let callbackCalled = false;
+    global.window.testStartedCallback = (widget) => {
+        callbackCalled = true;
+    };
+
+    const { CaptchaWidget } = await import('../js/widget.js');
+
+    const element = document.querySelector('.private-captcha');
+    assert.ok(element, 'Should find captcha element');
+
+    const widget = new CaptchaWidget(element, {
+        sitekey: testSitekey,
+        debug: true
+    });
+
+    // Set up event listener
+    let eventFired = false;
+    element.addEventListener('privatecaptcha:start', (event) => {
+        eventFired = true;
+        assert.ok(event.detail.widget, 'Event should include widget in detail');
+        assert.strictEqual(event.detail.element, element, 'Event should include element in detail');
+    });
+
+    widget.execute();
+
+    await new Promise((resolve, reject) => {
+        const timeout = setTimeout(() => {
+            reject(new Error('Event timeout after 5000ms'));
+        }, 5000);
+
+        element.addEventListener('privatecaptcha:start', () => {
+            clearTimeout(timeout);
+            resolve();
+        }, { once: true });
+    });
+
+    assert.strictEqual(eventFired, true, 'privatecaptcha:start event should be fired');
+    assert.strictEqual(callbackCalled, true, 'Started callback should be called');
+
+    console.log('✓ Widget started test passed');
+});