diff --git a/e2e/hal-explorer.spec.ts b/e2e/hal-explorer.spec.ts
index 9e7d9845..1a85fadb 100644
--- a/e2e/hal-explorer.spec.ts
+++ b/e2e/hal-explorer.spec.ts
@@ -39,7 +39,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should display HAL sections when rendering users resource', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/movies.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/movies.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     await expect(page.locator('h5:has-text("JSON Properties")').first()).toBeVisible();
@@ -51,7 +55,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should display only Links section when rendering root api', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/index.hal.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/index.hal.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     await expect(page.locator('text="JSON Properties"').first()).not.toBeVisible();
@@ -62,7 +70,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should display POST request dialog', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/movies.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/movies.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Wait for the HAL-FORMS Template Elements section to be loaded
@@ -81,7 +93,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should display user profile in POST request dialog', { tag: '@flaky' }, async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/index.hal.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/index.hal.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Wait for the links section to be fully loaded
@@ -114,7 +130,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should display expanded URI in HAL-FORMS GET request dialog', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/filter.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/filter.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Wait for the HAL-FORMS section to be loaded
@@ -141,7 +161,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should close modal on ESC key', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/filter.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/filter.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Wait for the HAL-FORMS section to be loaded
@@ -170,7 +194,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should submit request on Enter key in parameterized GET request dialog', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/filter.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/filter.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Wait for the HAL-FORMS section to be loaded
@@ -202,11 +230,15 @@ test.describe('HAL Explorer App', () => {
     await expect(modal).not.toHaveClass(/show/, { timeout: 5000 });
 
     // Verify the URL was updated with the title parameter (meaning the request was made)
-    await expect(page).toHaveURL(/title=myTitle/);
+    expect(await page.evaluate(() => sessionStorage.getItem('hash'))).toContain('title=myTitle');
   });
 
   test('should display correct properties HAL-FORMS POST request dialog', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/2posts1get.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/2posts1get.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Click the first POST button (Post 1 template)
@@ -225,7 +257,11 @@ test.describe('HAL Explorer App', () => {
 
   test('should update URI input field when clicking a link', async ({ page }) => {
     // Navigate to the root API which has links
-    await page.goto('/#uri=http://localhost:3000/index.hal.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/index.hal.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Verify the initial URI is displayed in the input field
@@ -237,7 +273,9 @@ test.describe('HAL Explorer App', () => {
     await page.locator('button:has(i.bi-chevron-left)').first().click();
 
     // Wait for the browser URL to update
-    await expect(page).toHaveURL(/#uri=http:\/\/localhost:3000\/users\.hal\.json/);
+    expect(await page.evaluate(() => sessionStorage.getItem('hash'))).toContain(
+      'uri=http://localhost:3000/users.hal.json'
+    );
 
     // Wait for navigation to complete
     await page.waitForLoadState('networkidle');
@@ -247,7 +285,11 @@ test.describe('HAL Explorer App', () => {
   });
 
   test('should display links and affordances for 401 error with HAL-FORMS content', async ({ page }) => {
-    await page.goto('/#uri=http://localhost:3000/error-401-with-templates.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/error-401-with-templates.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Verify that error is displayed
diff --git a/e2e/ui-blocking.spec.ts b/e2e/ui-blocking.spec.ts
index 3e6e1397..ecc38c09 100644
--- a/e2e/ui-blocking.spec.ts
+++ b/e2e/ui-blocking.spec.ts
@@ -25,7 +25,11 @@ test.describe('UI Blocking During Requests', () => {
 
   test('should disable link buttons during request', async ({ page }) => {
     // Load initial resource
-    await page.goto('/#uri=http://localhost:3000/index.hal.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/index.hal.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Verify links are visible and enabled
@@ -45,7 +49,11 @@ test.describe('UI Blocking During Requests', () => {
 
   test('should disable template buttons during request', async ({ page }) => {
     // Load resource with HAL-FORMS templates
-    await page.goto('/#uri=http://localhost:3000/movies.hal-forms.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/movies.hal-forms.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Wait for the HAL-FORMS section to be loaded
@@ -81,7 +89,11 @@ test.describe('UI Blocking During Requests', () => {
 
   test('should disable documentation buttons during request', async ({ page }) => {
     // Load resource with documentation links
-    await page.goto('/#uri=http://localhost:3000/index-with-doc-anchor.hal.json');
+    await page.goto('/');
+    await page.evaluate(() => {
+      window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/index-with-doc-anchor.hal.json');
+      window.dispatchEvent(new Event('storage'));
+    });
     await page.waitForLoadState('networkidle');
 
     // Check if documentation button exists and is enabled
diff --git a/src/app/app.service.spec.ts b/src/app/app.service.spec.ts
index 4d28a113..44dfd808 100644
--- a/src/app/app.service.spec.ts
+++ b/src/app/app.service.spec.ts
@@ -5,7 +5,7 @@ describe('AppService', () => {
   let service: AppService;
 
   beforeEach(() => {
-    window.location.hash = '';
+    window.sessionStorage.setItem('hash', '');
     localStorage.clear();
     service = new AppService();
   });
@@ -95,8 +95,8 @@ describe('AppService', () => {
     expect(service.getCustomRequestHeaders()[0].value).toBe('application/json');
     expect(service.getCustomRequestHeaders()[1].key).toBe('authorization');
     expect(service.getCustomRequestHeaders()[1].value).toBe('bearer euztsfghfhgwztuzt');
-    expect(window.location.hash).toBe(
-      '#hkey0=accept&hval0=application/json&hkey1=authorization&hval1=bearer%20euztsfghfhgwztuzt'
+    expect(window.sessionStorage.getItem('hash')).toBe(
+      'hkey0=accept&hval0=application/json&hkey1=authorization&hval1=bearer euztsfghfhgwztuzt'
     );
   });
 
@@ -106,7 +106,7 @@ describe('AppService', () => {
     localStorage.setItem('hal-explorer.columnLayout', '3');
     localStorage.setItem('hal-explorer.httpOptions', 'true');
     localStorage.setItem('hal-explorer.allHttpMethodsForLinks', 'true');
-    window.location.hash = '#hkey0=accept&hval0=text/plain&uri=https://chatty42.herokuapp.com/api/users';
+    window.sessionStorage.setItem('hash', 'hkey0=accept&hval0=text/plain&uri=https://chatty42.herokuapp.com/api/users');
     service = new AppService();
 
     expect(service.getCustomRequestHeaders()[0].key).toBe('accept');
@@ -121,7 +121,7 @@ describe('AppService', () => {
   it('should parse window location hash with hval before hkey', () => {
     localStorage.setItem('hal-explorer.theme', 'Cosmo');
     localStorage.setItem('hal-explorer.columnLayout', '3');
-    window.location.hash = '#hval0=text/plain&hkey0=accept&uri=https://chatty42.herokuapp.com/api/users';
+    window.sessionStorage.setItem('hash', 'hval0=text/plain&hkey0=accept&uri=https://chatty42.herokuapp.com/api/users');
     service = new AppService();
 
     expect(service.getCustomRequestHeaders()[0].key).toBe('accept');
@@ -134,7 +134,7 @@ describe('AppService', () => {
   it('should parse window location hash with deprecated hkey "url"', () => {
     localStorage.setItem('hal-explorer.theme', 'Cosmo');
     localStorage.setItem('hal-explorer.columnLayout', '3');
-    window.location.hash = '#hval0=text/plain&hkey0=accept&url=https://chatty42.herokuapp.com/api/users';
+    window.sessionStorage.setItem('hash', 'hval0=text/plain&hkey0=accept&url=https://chatty42.herokuapp.com/api/users');
     service = new AppService();
 
     expect(service.getCustomRequestHeaders()[0].key).toBe('accept');
@@ -147,7 +147,10 @@ describe('AppService', () => {
   it('should parse window location hash with unknown hkeys', () => {
     localStorage.setItem('hal-explorer.theme', 'Cosmo');
     localStorage.setItem('hal-explorer.columnLayout', '3');
-    window.location.hash = '#xxx=7&hval0=text/plain&hkey0=accept&yyy=xxx&url=https://chatty42.herokuapp.com/api/users';
+    window.sessionStorage.setItem(
+      'hash',
+      'xxx=7&hval0=text/plain&hkey0=accept&yyy=xxx&url=https://chatty42.herokuapp.com/api/users'
+    );
     service = new AppService();
 
     expect(service.getCustomRequestHeaders()[0].key).toBe('accept');
@@ -175,20 +178,20 @@ describe('AppService', () => {
     });
 
     // Simulate first navigation via browser back button
-    window.location.hash = '#uri=https://example.com/api/first';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=https://example.com/api/first');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.getUri()).toBe('https://example.com/api/first');
     expect(emittedUri).toBe('https://example.com/api/first');
 
     // Simulate second navigation via browser forward button (should work, not skip)
-    window.location.hash = '#uri=https://example.com/api/second';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=https://example.com/api/second');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.getUri()).toBe('https://example.com/api/second');
     expect(emittedUri).toBe('https://example.com/api/second');
 
     // Simulate third navigation (should also work)
-    window.location.hash = '#uri=https://example.com/api/third';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=https://example.com/api/third');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.getUri()).toBe('https://example.com/api/third');
     expect(emittedUri).toBe('https://example.com/api/third');
   });
@@ -211,8 +214,8 @@ describe('AppService', () => {
     expect(service.getUri()).toBe('https://example.com/api/test');
 
     // But the next manual hash change should work
-    window.location.hash = '#uri=https://example.com/api/manual';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=https://example.com/api/manual');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.getUri()).toBe('https://example.com/api/manual');
     expect(emitCount).toBeGreaterThanOrEqual(1);
   });
@@ -224,8 +227,8 @@ describe('AppService', () => {
     });
 
     // Start with initial URL (browser navigation)
-    window.location.hash = '#uri=http://localhost:3000/examples.hal-forms.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/examples.hal-forms.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.getUri()).toBe('http://localhost:3000/examples.hal-forms.json');
     expect(emittedUris).toContain('http://localhost:3000/examples.hal-forms.json');
 
@@ -246,15 +249,15 @@ describe('AppService', () => {
     const emitCountBeforeBack = emittedUris.length;
 
     // First back button - browser changes hash, our code should react
-    window.location.hash = '#uri=http://localhost:3000/link1.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/link1.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.getUri()).toBe('http://localhost:3000/link1.json');
     expect(emittedUris[emittedUris.length - 1]).toBe('http://localhost:3000/link1.json');
     expect(emittedUris.length).toBe(emitCountBeforeBack + 1); // Should have emitted
 
     // Second back button - browser changes hash, our code should react
-    window.location.hash = '#uri=http://localhost:3000/examples.hal-forms.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/examples.hal-forms.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.getUri()).toBe('http://localhost:3000/examples.hal-forms.json');
     expect(emittedUris[emittedUris.length - 1]).toBe('http://localhost:3000/examples.hal-forms.json');
     expect(emittedUris.length).toBe(emitCountBeforeBack + 2); // Should have emitted again
@@ -273,8 +276,8 @@ describe('AppService', () => {
 
   it('should return true for isFromBrowserNavigation() after browser navigation', () => {
     // Simulate browser navigation via hash change
-    window.location.hash = '#uri=http://localhost:3000/test.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/test.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
 
     // Should return true because it was browser navigation
     expect(service.isFromBrowserNavigation()).toBe(true);
@@ -299,20 +302,20 @@ describe('AppService', () => {
     expect(navigationFlags[navigationFlags.length - 1]).toBe(false);
 
     // Browser back button (simulated)
-    window.location.hash = '#uri=http://localhost:3000/page1.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/page1.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(navigationFlags[navigationFlags.length - 1]).toBe(true);
 
     // Browser forward button (simulated)
-    window.location.hash = '#uri=http://localhost:3000/page2.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/page2.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(navigationFlags[navigationFlags.length - 1]).toBe(true);
   });
 
   it('should reset isFromBrowserNavigation flag after being checked', () => {
     // Set up browser navigation
-    window.location.hash = '#uri=http://localhost:3000/test.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/test.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
 
     // First check - should be true
     expect(service.isFromBrowserNavigation()).toBe(true);
@@ -326,8 +329,8 @@ describe('AppService', () => {
 
   it('should handle multiple browser navigations correctly', () => {
     // First browser navigation
-    window.location.hash = '#uri=http://localhost:3000/page1.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/page1.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.isFromBrowserNavigation()).toBe(true);
     expect(service.isFromBrowserNavigation()).toBe(false); // Reset
 
@@ -336,8 +339,8 @@ describe('AppService', () => {
     expect(service.isFromBrowserNavigation()).toBe(false);
 
     // Second browser navigation
-    window.location.hash = '#uri=http://localhost:3000/page3.json';
-    window.dispatchEvent(new HashChangeEvent('hashchange'));
+    window.sessionStorage.setItem('hash', 'uri=http://localhost:3000/page3.json');
+    window.dispatchEvent(new HashChangeEvent('storage'));
     expect(service.isFromBrowserNavigation()).toBe(true);
     expect(service.isFromBrowserNavigation()).toBe(false); // Reset
   });
diff --git a/src/app/app.service.ts b/src/app/app.service.ts
index 4cf7c179..6cc433b3 100644
--- a/src/app/app.service.ts
+++ b/src/app/app.service.ts
@@ -42,7 +42,7 @@ export class AppService {
   constructor() {
     this.initializeFromLocalStorage();
     this.handleLocationHash();
-    globalThis.addEventListener('hashchange', () => this.handleLocationHash(), false);
+    window.addEventListener('storage', () => this.handleLocationHash(), false);
   }
 
   private initializeFromLocalStorage(): void {
@@ -157,7 +157,7 @@ export class AppService {
 
   private parseLocationHashParameters(): RequestHeader[] {
     const tempHeaders: RequestHeader[] = new Array(5);
-    const fragment = location.hash.substring(1);
+    const fragment = window.sessionStorage.getItem('hash') || '';
     const regex = /([^&=]+)=([^&]*)/g;
     let match = regex.exec(fragment);
 
@@ -212,6 +212,6 @@ export class AppService {
       params.push(`uri=${this.uriParam}`);
     }
 
-    globalThis.location.hash = params.join('&');
+    window.sessionStorage.setItem('hash', params.join('&'));
   }
 }
diff --git a/src/main.ts b/src/main.ts
index 9e18a865..3132f926 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -9,10 +9,27 @@ if (environment.production) {
   enableProdMode();
 }
 
-bootstrapApplication(AppComponent, {
-  providers: [
-    provideZoneChangeDetection(),
-    importProvidersFrom(BrowserModule, FormsModule),
-    provideHttpClient(withInterceptorsFromDi()),
-  ],
-}).catch(err => console.log(err));
+let bootstrapped = false;
+function bootstrap() {
+  bootstrapped = true;
+  bootstrapApplication(AppComponent, {
+    providers: [
+      provideZoneChangeDetection(),
+      importProvidersFrom(BrowserModule, FormsModule),
+      provideHttpClient(withInterceptorsFromDi()),
+    ],
+  }).catch(err => console.log(err));
+}
+
+if (window.opener) {
+  window.addEventListener('message', event => {
+    window.sessionStorage.setItem('hash', event.data);
+    window.dispatchEvent(new Event('storage'));
+    if (!bootstrapped) {
+      bootstrap();
+    }
+  });
+  window.opener.postMessage('ready');
+} else {
+  bootstrap();
+}