diff --git a/Ladybird/AppKit/Application/ApplicationDelegate.h b/Ladybird/AppKit/Application/ApplicationDelegate.h
index 4320cdeec1..a743b2a995 100644
--- a/Ladybird/AppKit/Application/ApplicationDelegate.h
+++ b/Ladybird/AppKit/Application/ApplicationDelegate.h
@@ -28,6 +28,11 @@
                                fromTab:(nullable Tab*)tab
                            activateTab:(Web::HTML::ActivateTab)activate_tab;
 
+- (nonnull TabController*)createNewTab:(StringView)html
+                                   url:(URL const&)url
+                               fromTab:(nullable Tab*)tab
+                           activateTab:(Web::HTML::ActivateTab)activate_tab;
+
 - (void)removeTab:(nonnull TabController*)controller;
 
 - (Browser::CookieJar&)cookieJar;
diff --git a/Ladybird/AppKit/Application/ApplicationDelegate.mm b/Ladybird/AppKit/Application/ApplicationDelegate.mm
index 8d137f1c05..d8f4071b61 100644
--- a/Ladybird/AppKit/Application/ApplicationDelegate.mm
+++ b/Ladybird/AppKit/Application/ApplicationDelegate.mm
@@ -86,19 +86,20 @@
                        fromTab:(Tab*)tab
                    activateTab:(Web::HTML::ActivateTab)activate_tab
 {
-    auto* controller = [[TabController alloc] init:url.value_or(m_new_tab_page_url)];
-    [controller showWindow:nil];
+    auto* controller = [self createNewTab:activate_tab fromTab:tab];
+    [controller loadURL:url.value_or(m_new_tab_page_url)];
 
-    if (tab) {
-        [[tab tabGroup] addWindow:controller.window];
+    return controller;
+}
 
-        // FIXME: Can we create the tabbed window above without it becoming active in the first place?
-        if (activate_tab == Web::HTML::ActivateTab::No) {
-            [tab orderFront:nil];
-        }
-    }
+- (nonnull TabController*)createNewTab:(StringView)html
+                                   url:(URL const&)url
+                               fromTab:(nullable Tab*)tab
+                           activateTab:(Web::HTML::ActivateTab)activate_tab
+{
+    auto* controller = [self createNewTab:activate_tab fromTab:tab];
+    [controller loadHTML:html url:url];
 
-    [self.managed_tabs addObject:controller];
     return controller;
 }
 
@@ -124,6 +125,25 @@
 
 #pragma mark - Private methods
 
+- (nonnull TabController*)createNewTab:(Web::HTML::ActivateTab)activate_tab
+                               fromTab:(nullable Tab*)tab
+{
+    auto* controller = [[TabController alloc] init];
+    [controller showWindow:nil];
+
+    if (tab) {
+        [[tab tabGroup] addWindow:controller.window];
+
+        // FIXME: Can we create the tabbed window above without it becoming active in the first place?
+        if (activate_tab == Web::HTML::ActivateTab::No) {
+            [tab orderFront:nil];
+        }
+    }
+
+    [self.managed_tabs addObject:controller];
+    return controller;
+}
+
 - (void)closeCurrentTab:(id)sender
 {
     auto* current_window = [NSApp keyWindow];
diff --git a/Ladybird/AppKit/UI/LadybirdWebView.h b/Ladybird/AppKit/UI/LadybirdWebView.h
index 5242fc400b..2bb3416a99 100644
--- a/Ladybird/AppKit/UI/LadybirdWebView.h
+++ b/Ladybird/AppKit/UI/LadybirdWebView.h
@@ -13,7 +13,8 @@
 
 @interface LadybirdWebView : NSClipView
 
-- (void)load:(URL const&)url;
+- (void)loadURL:(URL const&)url;
+- (void)loadHTML:(StringView)html url:(URL const&)url;
 
 - (void)handleResize;
 - (void)handleScroll;
diff --git a/Ladybird/AppKit/UI/LadybirdWebView.mm b/Ladybird/AppKit/UI/LadybirdWebView.mm
index 37cd8a9755..a0708d2fad 100644
--- a/Ladybird/AppKit/UI/LadybirdWebView.mm
+++ b/Ladybird/AppKit/UI/LadybirdWebView.mm
@@ -100,11 +100,16 @@ struct HideCursor {
 
 #pragma mark - Public methods
 
-- (void)load:(URL const&)url
+- (void)loadURL:(URL const&)url
 {
     m_web_view_bridge->load(url);
 }
 
+- (void)loadHTML:(StringView)html url:(URL const&)url
+{
+    m_web_view_bridge->load_html(html, url);
+}
+
 - (void)handleResize
 {
     [self updateViewportRect:Ladybird::WebViewBridge::ForResize::Yes];
@@ -364,7 +369,7 @@ struct HideCursor {
                            fromTab:[self tab]
                        activateTab:Web::HTML::ActivateTab::Yes];
         } else {
-            [[self tabController] load:url];
+            [[self tabController] loadURL:url];
         }
     };
 
diff --git a/Ladybird/AppKit/UI/TabController.h b/Ladybird/AppKit/UI/TabController.h
index dc0f2c9f34..582178b6e8 100644
--- a/Ladybird/AppKit/UI/TabController.h
+++ b/Ladybird/AppKit/UI/TabController.h
@@ -13,9 +13,10 @@
 
 @interface TabController : NSWindowController <NSWindowDelegate>
 
-- (instancetype)init:(URL)url;
+- (instancetype)init;
 
-- (void)load:(URL const&)url;
+- (void)loadURL:(URL const&)url;
+- (void)loadHTML:(StringView)html url:(URL const&)url;
 
 - (void)onLoadStart:(URL const&)url isRedirect:(BOOL)isRedirect;
 - (void)onTitleChange:(DeprecatedString const&)title;
diff --git a/Ladybird/AppKit/UI/TabController.mm b/Ladybird/AppKit/UI/TabController.mm
index b79aa6e774..2b475fb1aa 100644
--- a/Ladybird/AppKit/UI/TabController.mm
+++ b/Ladybird/AppKit/UI/TabController.mm
@@ -32,7 +32,6 @@ enum class IsHistoryNavigation {
 
 @interface TabController () <NSToolbarDelegate, NSSearchFieldDelegate>
 {
-    URL m_url;
     DeprecatedString m_title;
 
     Browser::History m_history;
@@ -63,7 +62,7 @@ enum class IsHistoryNavigation {
 @synthesize new_tab_toolbar_item = _new_tab_toolbar_item;
 @synthesize tab_overview_toolbar_item = _tab_overview_toolbar_item;
 
-- (instancetype)init:(URL)url
+- (instancetype)init
 {
     if (self = [super init]) {
         self.toolbar = [[NSToolbar alloc] initWithIdentifier:TOOLBAR_IDENTIFIER];
@@ -72,7 +71,6 @@ enum class IsHistoryNavigation {
         [self.toolbar setAllowsUserCustomization:NO];
         [self.toolbar setSizeMode:NSToolbarSizeModeRegular];
 
-        m_url = move(url);
         m_is_history_navigation = IsHistoryNavigation::No;
     }
 
@@ -81,9 +79,14 @@ enum class IsHistoryNavigation {
 
 #pragma mark - Public methods
 
-- (void)load:(URL const&)url
+- (void)loadURL:(URL const&)url
 {
-    [[self tab].web_view load:url];
+    [[self tab].web_view loadURL:url];
+}
+
+- (void)loadHTML:(StringView)html url:(URL const&)url
+{
+    [[self tab].web_view loadHTML:html url:url];
 }
 
 - (void)onLoadStart:(URL const&)url isRedirect:(BOOL)isRedirect
@@ -121,7 +124,7 @@ enum class IsHistoryNavigation {
     m_history.go_back();
 
     auto url = m_history.current().url;
-    [self load:url];
+    [self loadURL:url];
 }
 
 - (void)navigateForward:(id)sender
@@ -134,7 +137,7 @@ enum class IsHistoryNavigation {
     m_history.go_forward();
 
     auto url = m_history.current().url;
-    [self load:url];
+    [self loadURL:url];
 }
 
 - (void)reload:(id)sender
@@ -146,7 +149,7 @@ enum class IsHistoryNavigation {
     m_is_history_navigation = IsHistoryNavigation::Yes;
 
     auto url = m_history.current().url;
-    [self load:url];
+    [self loadURL:url];
 }
 
 - (void)clearHistory
@@ -312,8 +315,6 @@ enum class IsHistoryNavigation {
 - (IBAction)showWindow:(id)sender
 {
     self.window = [[Tab alloc] init];
-    [self load:m_url];
-
     [self.window setDelegate:self];
 
     [self.window setToolbar:self.toolbar];
@@ -397,7 +398,7 @@ enum class IsHistoryNavigation {
 
     auto* url_string = [[text_view textStorage] string];
     auto url = Ladybird::sanitize_url(url_string);
-    [self load:url];
+    [self loadURL:url];
 
     [self.window makeFirstResponder:nil];
     return YES;
diff --git a/Ladybird/Qt/BrowserWindow.cpp b/Ladybird/Qt/BrowserWindow.cpp
index 5a8b437e73..8cbc857b50 100644
--- a/Ladybird/Qt/BrowserWindow.cpp
+++ b/Ladybird/Qt/BrowserWindow.cpp
@@ -429,6 +429,20 @@ void BrowserWindow::debug_request(DeprecatedString const& request, DeprecatedStr
 }
 
 Tab& BrowserWindow::new_tab(QString const& url, Web::HTML::ActivateTab activate_tab)
+{
+    auto& tab = create_new_tab(activate_tab);
+    tab.navigate(url);
+    return tab;
+}
+
+Tab& BrowserWindow::new_tab(StringView html, URL const& url, Web::HTML::ActivateTab activate_tab)
+{
+    auto& tab = create_new_tab(activate_tab);
+    tab.load_html(html, url);
+    return tab;
+}
+
+Tab& BrowserWindow::create_new_tab(Web::HTML::ActivateTab activate_tab)
 {
     auto tab = make<Tab>(this, m_webdriver_content_ipc_path, m_enable_callgrind_profiling, m_use_lagom_networking);
     auto tab_ptr = tab.ptr();
@@ -500,9 +514,6 @@ Tab& BrowserWindow::new_tab(QString const& url, Web::HTML::ActivateTab activate_
     };
 
     tab_ptr->focus_location_editor();
-
-    tab_ptr->navigate(url);
-
     return *tab_ptr;
 }
 
diff --git a/Ladybird/Qt/BrowserWindow.h b/Ladybird/Qt/BrowserWindow.h
index 981a64b231..cd0e43bcad 100644
--- a/Ladybird/Qt/BrowserWindow.h
+++ b/Ladybird/Qt/BrowserWindow.h
@@ -73,6 +73,7 @@ public slots:
     void tab_title_changed(int index, QString const&);
     void tab_favicon_changed(int index, QIcon const& icon);
     Tab& new_tab(QString const&, Web::HTML::ActivateTab);
+    Tab& new_tab(StringView html, URL const& url, Web::HTML::ActivateTab);
     void activate_tab(int index);
     void close_tab(int index);
     void close_current_tab();
@@ -98,6 +99,8 @@ private:
     virtual void wheelEvent(QWheelEvent*) override;
     virtual void closeEvent(QCloseEvent*) override;
 
+    Tab& create_new_tab(Web::HTML::ActivateTab activate_tab);
+
     void debug_request(DeprecatedString const& request, DeprecatedString const& argument = "");
 
     void set_current_tab(Tab* tab);
diff --git a/Ladybird/Qt/Tab.cpp b/Ladybird/Qt/Tab.cpp
index babb00aad1..83538c99fb 100644
--- a/Ladybird/Qt/Tab.cpp
+++ b/Ladybird/Qt/Tab.cpp
@@ -566,6 +566,11 @@ void Tab::navigate(QString url_qstring)
     view().load(url_string);
 }
 
+void Tab::load_html(StringView html, URL const& url)
+{
+    view().load_html(html, url);
+}
+
 void Tab::back()
 {
     if (!m_history.can_go_back())
diff --git a/Ladybird/Qt/Tab.h b/Ladybird/Qt/Tab.h
index a66fe65205..539791ac91 100644
--- a/Ladybird/Qt/Tab.h
+++ b/Ladybird/Qt/Tab.h
@@ -34,6 +34,8 @@ public:
     WebContentView& view() { return *m_view; }
 
     void navigate(QString);
+    void load_html(StringView, URL const&);
+
     void back();
     void forward();
     void reload();