diff --git a/Ladybird/FontPlugin.cpp b/Ladybird/FontPlugin.cpp
index 3fd560b15f8..106f4d679ec 100644
--- a/Ladybird/FontPlugin.cpp
+++ b/Ladybird/FontPlugin.cpp
@@ -34,11 +34,11 @@ FontPlugin::FontPlugin(bool is_layout_test_mode)
     update_generic_fonts();
 
     auto default_font_name = generic_font_name(Web::Platform::GenericFont::UiSansSerif);
-    m_default_font = Gfx::FontDatabase::the().get(MUST(String::from_deprecated_string(default_font_name)), 12.0, 400, Gfx::FontWidth::Normal, 0);
+    m_default_font = Gfx::FontDatabase::the().get(default_font_name, 12.0, 400, Gfx::FontWidth::Normal, 0);
     VERIFY(m_default_font);
 
     auto default_fixed_width_font_name = generic_font_name(Web::Platform::GenericFont::UiMonospace);
-    m_default_fixed_width_font = Gfx::FontDatabase::the().get(MUST(String::from_deprecated_string(default_fixed_width_font_name)), 12.0, 400, Gfx::FontWidth::Normal, 0);
+    m_default_fixed_width_font = Gfx::FontDatabase::the().get(default_fixed_width_font_name, 12.0, 400, Gfx::FontWidth::Normal, 0);
     VERIFY(m_default_fixed_width_font);
 }
 
@@ -66,16 +66,16 @@ void FontPlugin::update_generic_fonts()
 
     m_generic_font_names.resize(static_cast<size_t>(Web::Platform::GenericFont::__Count));
 
-    auto update_mapping = [&](Web::Platform::GenericFont generic_font, ReadonlySpan<DeprecatedString> fallbacks) {
+    auto update_mapping = [&](Web::Platform::GenericFont generic_font, ReadonlySpan<FlyString> fallbacks) {
         if (m_is_layout_test_mode) {
-            m_generic_font_names[static_cast<size_t>(generic_font)] = "SerenitySans";
+            m_generic_font_names[static_cast<size_t>(generic_font)] = "SerenitySans"_fly_string;
             return;
         }
 
         RefPtr<Gfx::Font const> gfx_font;
 
         for (auto& fallback : fallbacks) {
-            gfx_font = Gfx::FontDatabase::the().get(MUST(String::from_deprecated_string(fallback)), 16, 400, Gfx::FontWidth::Normal, 0, Gfx::Font::AllowInexactSizeMatch::Yes);
+            gfx_font = Gfx::FontDatabase::the().get(fallback, 16, 400, Gfx::FontWidth::Normal, 0, Gfx::Font::AllowInexactSizeMatch::Yes);
             if (gfx_font)
                 break;
         }
@@ -87,16 +87,16 @@ void FontPlugin::update_generic_fonts()
                 gfx_font = Gfx::FontDatabase::default_font();
         }
 
-        m_generic_font_names[static_cast<size_t>(generic_font)] = gfx_font->family().to_deprecated_string();
+        m_generic_font_names[static_cast<size_t>(generic_font)] = gfx_font->family();
     };
 
     // Fallback fonts to look for if Gfx::Font can't load expected font
     // The lists are basically arbitrary, taken from https://www.w3.org/Style/Examples/007/fonts.en.html
-    Vector<DeprecatedString> cursive_fallbacks { "Comic Sans MS", "Comic Sans", "Apple Chancery", "Bradley Hand", "Brush Script MT", "Snell Roundhand", "URW Chancery L" };
-    Vector<DeprecatedString> fantasy_fallbacks { "Impact", "Luminari", "Chalkduster", "Jazz LET", "Blippo", "Stencil Std", "Marker Felt", "Trattatello" };
-    Vector<DeprecatedString> monospace_fallbacks { "Andale Mono", "Courier New", "Courier", "FreeMono", "OCR A Std", "DejaVu Sans Mono", "Liberation Mono", "Csilla" };
-    Vector<DeprecatedString> sans_serif_fallbacks { "Arial", "Helvetica", "Verdana", "Trebuchet MS", "Gill Sans", "Noto Sans", "Avantgarde", "Optima", "Arial Narrow", "Liberation Sans", "Katica" };
-    Vector<DeprecatedString> serif_fallbacks { "Times", "Times New Roman", "Didot", "Georgia", "Palatino", "Bookman", "New Century Schoolbook", "American Typewriter", "Liberation Serif", "Roman" };
+    Vector<FlyString> cursive_fallbacks { "Comic Sans MS"_fly_string, "Comic Sans"_fly_string, "Apple Chancery"_fly_string, "Bradley Hand"_fly_string, "Brush Script MT"_fly_string, "Snell Roundhand"_fly_string, "URW Chancery L"_fly_string };
+    Vector<FlyString> fantasy_fallbacks { "Impact"_fly_string, "Luminari"_fly_string, "Chalkduster"_fly_string, "Jazz LET"_fly_string, "Blippo"_fly_string, "Stencil Std"_fly_string, "Marker Felt"_fly_string, "Trattatello"_fly_string };
+    Vector<FlyString> monospace_fallbacks { "Andale Mono"_fly_string, "Courier New"_fly_string, "Courier"_fly_string, "FreeMono"_fly_string, "OCR A Std"_fly_string, "DejaVu Sans Mono"_fly_string, "Liberation Mono"_fly_string, "Csilla"_fly_string };
+    Vector<FlyString> sans_serif_fallbacks { "Arial"_fly_string, "Helvetica"_fly_string, "Verdana"_fly_string, "Trebuchet MS"_fly_string, "Gill Sans"_fly_string, "Noto Sans"_fly_string, "Avantgarde"_fly_string, "Optima"_fly_string, "Arial Narrow"_fly_string, "Liberation Sans"_fly_string, "Katica"_fly_string };
+    Vector<FlyString> serif_fallbacks { "Times"_fly_string, "Times New Roman"_fly_string, "Didot"_fly_string, "Georgia"_fly_string, "Palatino"_fly_string, "Bookman"_fly_string, "New Century Schoolbook"_fly_string, "American Typewriter"_fly_string, "Liberation Serif"_fly_string, "Roman"_fly_string };
 
     update_mapping(Web::Platform::GenericFont::Cursive, cursive_fallbacks);
     update_mapping(Web::Platform::GenericFont::Fantasy, fantasy_fallbacks);
@@ -109,7 +109,7 @@ void FontPlugin::update_generic_fonts()
     update_mapping(Web::Platform::GenericFont::UiSerif, serif_fallbacks);
 }
 
-DeprecatedString FontPlugin::generic_font_name(Web::Platform::GenericFont generic_font)
+FlyString FontPlugin::generic_font_name(Web::Platform::GenericFont generic_font)
 {
     return m_generic_font_names[static_cast<size_t>(generic_font)];
 }
diff --git a/Ladybird/FontPlugin.h b/Ladybird/FontPlugin.h
index cfb09faa11c..56d7ff51d64 100644
--- a/Ladybird/FontPlugin.h
+++ b/Ladybird/FontPlugin.h
@@ -19,12 +19,12 @@ public:
 
     virtual Gfx::Font& default_font() override;
     virtual Gfx::Font& default_fixed_width_font() override;
-    virtual DeprecatedString generic_font_name(Web::Platform::GenericFont) override;
+    virtual FlyString generic_font_name(Web::Platform::GenericFont) override;
 
     void update_generic_fonts();
 
 private:
-    Vector<DeprecatedString> m_generic_font_names;
+    Vector<FlyString> m_generic_font_names;
     RefPtr<Gfx::Font> m_default_font;
     RefPtr<Gfx::Font> m_default_fixed_width_font;
     bool m_is_layout_test_mode { false };
diff --git a/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp b/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
index 2dfdd6bb377..d6ac56663a7 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
@@ -2001,7 +2001,7 @@ RefPtr<Gfx::Font const> StyleComputer::compute_font_for_style_values(DOM::Elemen
 
     float const font_size_in_pt = font_size_in_px * 0.75f;
 
-    auto find_font = [&](String const& family) -> RefPtr<Gfx::Font const> {
+    auto find_font = [&](FlyString const& family) -> RefPtr<Gfx::Font const> {
         font_selector = { family, font_size_in_pt, weight, width, slope };
 
         FontFaceKey key {
@@ -2060,7 +2060,7 @@ RefPtr<Gfx::Font const> StyleComputer::compute_font_for_style_values(DOM::Elemen
         default:
             return {};
         }
-        return find_font(String::from_deprecated_string(Platform::FontPlugin::the().generic_font_name(generic_font)).release_value_but_fixme_should_propagate_errors());
+        return find_font(Platform::FontPlugin::the().generic_font_name(generic_font));
     };
 
     RefPtr<Gfx::Font const> found_font;
diff --git a/Userland/Libraries/LibWeb/Platform/FontPlugin.h b/Userland/Libraries/LibWeb/Platform/FontPlugin.h
index 825a54a7171..0825c909e5a 100644
--- a/Userland/Libraries/LibWeb/Platform/FontPlugin.h
+++ b/Userland/Libraries/LibWeb/Platform/FontPlugin.h
@@ -34,7 +34,7 @@ public:
     virtual Gfx::Font& default_font() = 0;
     virtual Gfx::Font& default_fixed_width_font() = 0;
 
-    virtual DeprecatedString generic_font_name(GenericFont) = 0;
+    virtual FlyString generic_font_name(GenericFont) = 0;
 };
 
 }
diff --git a/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.cpp b/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.cpp
index c8f437e98c5..c9faa15001a 100644
--- a/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.cpp
+++ b/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.cpp
@@ -29,7 +29,7 @@ Gfx::Font& FontPluginSerenity::default_fixed_width_font()
     return Gfx::FontDatabase::default_fixed_width_font();
 }
 
-DeprecatedString FontPluginSerenity::generic_font_name(GenericFont generic_font)
+FlyString FontPluginSerenity::generic_font_name(GenericFont generic_font)
 {
     // FIXME: Make these configurable at the browser settings level. Fall back to system defaults.
     switch (generic_font) {
@@ -37,15 +37,15 @@ DeprecatedString FontPluginSerenity::generic_font_name(GenericFont generic_font)
     case GenericFont::UiSansSerif:
     case GenericFont::Cursive:
     case GenericFont::UiRounded:
-        return default_font().family().to_deprecated_string();
+        return default_font().family();
     case GenericFont::Monospace:
     case GenericFont::UiMonospace:
-        return default_fixed_width_font().family().to_deprecated_string();
+        return default_fixed_width_font().family();
     case GenericFont::Serif:
     case GenericFont::UiSerif:
-        return "Roman";
+        return "Roman"_fly_string;
     case GenericFont::Fantasy:
-        return "Comic Book";
+        return "Comic Book"_fly_string;
     case GenericFont::__Count:
         VERIFY_NOT_REACHED();
     }
diff --git a/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.h b/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.h
index fccb3112eeb..20e89f4bd44 100644
--- a/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.h
+++ b/Userland/Libraries/LibWeb/Platform/FontPluginSerenity.h
@@ -18,7 +18,7 @@ public:
 
     virtual Gfx::Font& default_font() override;
     virtual Gfx::Font& default_fixed_width_font() override;
-    virtual DeprecatedString generic_font_name(GenericFont) override;
+    virtual FlyString generic_font_name(GenericFont) override;
 };
 
 }