diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index 1a4cd39e07..66a8dac55d 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -131,7 +131,7 @@ void Element::visit_edges(Cell::Visitor& visitor)
 }
 
 // https://dom.spec.whatwg.org/#dom-element-getattribute
-DeprecatedString Element::get_attribute(DeprecatedFlyString const& name) const
+DeprecatedString Element::get_attribute(StringView name) const
 {
     // 1. Let attr be the result of getting an attribute given qualifiedName and this.
     auto const* attribute = m_attributes->get_attribute(name);
@@ -145,7 +145,7 @@ DeprecatedString Element::get_attribute(DeprecatedFlyString const& name) const
 }
 
 // https://dom.spec.whatwg.org/#concept-element-attributes-get-value
-DeprecatedString Element::get_attribute_value(DeprecatedFlyString const& local_name, DeprecatedFlyString const& namespace_) const
+DeprecatedString Element::get_attribute_value(StringView local_name, DeprecatedFlyString const& namespace_) const
 {
     // 1. Let attr be the result of getting an attribute given namespace, localName, and element.
     auto const* attribute = m_attributes->get_attribute_ns(namespace_, local_name);
diff --git a/Userland/Libraries/LibWeb/DOM/Element.h b/Userland/Libraries/LibWeb/DOM/Element.h
index 090ef6b08e..3abe140779 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.h
+++ b/Userland/Libraries/LibWeb/DOM/Element.h
@@ -96,8 +96,9 @@ public:
     bool has_attribute_ns(DeprecatedFlyString namespace_, DeprecatedFlyString const& name) const;
     bool has_attributes() const;
 
-    DeprecatedString deprecated_attribute(DeprecatedFlyString const& name) const { return get_attribute(name); }
-    Optional<String> attribute(DeprecatedFlyString const& name) const
+    // FIXME: This should be taking a 'FlyString const&'
+    DeprecatedString deprecated_attribute(StringView name) const { return get_attribute(name); }
+    Optional<String> attribute(StringView name) const
     {
         auto ret = deprecated_attribute(name);
         if (ret.is_null())
@@ -106,8 +107,8 @@ public:
     }
 
     // FIXME: This should be taking a 'FlyString const&' / 'Optional<FlyString> const&'
-    DeprecatedString get_attribute(DeprecatedFlyString const& name) const;
-    DeprecatedString get_attribute_value(DeprecatedFlyString const& local_name, DeprecatedFlyString const& namespace_ = {}) const;
+    DeprecatedString get_attribute(StringView name) const;
+    DeprecatedString get_attribute_value(StringView local_name, DeprecatedFlyString const& namespace_ = {}) const;
 
     WebIDL::ExceptionOr<void> set_attribute(DeprecatedFlyString const& name, DeprecatedString const& value);
     WebIDL::ExceptionOr<void> set_attribute(DeprecatedFlyString const& name, Optional<String> const& value);
@@ -264,55 +265,55 @@ public:
     }
 
     // https://www.w3.org/TR/wai-aria-1.2/#accessibilityroleandproperties-correspondence
-    ARIA_IMPL(role, "role");
-    ARIA_IMPL(aria_active_descendant, "aria-activedescendant");
-    ARIA_IMPL(aria_atomic, "aria-atomic");
-    ARIA_IMPL(aria_auto_complete, "aria-autocomplete");
-    ARIA_IMPL(aria_busy, "aria-busy");
-    ARIA_IMPL(aria_checked, "aria-checked");
-    ARIA_IMPL(aria_col_count, "aria-colcount");
-    ARIA_IMPL(aria_col_index, "aria-colindex");
-    ARIA_IMPL(aria_col_span, "aria-colspan");
-    ARIA_IMPL(aria_controls, "aria-controls");
-    ARIA_IMPL(aria_current, "aria-current");
-    ARIA_IMPL(aria_described_by, "aria-describedby");
-    ARIA_IMPL(aria_details, "aria-details");
-    ARIA_IMPL(aria_drop_effect, "aria-dropeffect");
-    ARIA_IMPL(aria_error_message, "aria-errormessage");
-    ARIA_IMPL(aria_disabled, "aria-disabled");
-    ARIA_IMPL(aria_expanded, "aria-expanded");
-    ARIA_IMPL(aria_flow_to, "aria-flowto");
-    ARIA_IMPL(aria_grabbed, "aria-grabbed");
-    ARIA_IMPL(aria_has_popup, "aria-haspopup");
-    ARIA_IMPL(aria_hidden, "aria-hidden");
-    ARIA_IMPL(aria_invalid, "aria-invalid");
-    ARIA_IMPL(aria_key_shortcuts, "aria-keyshortcuts");
-    ARIA_IMPL(aria_label, "aria-label");
-    ARIA_IMPL(aria_labelled_by, "aria-labelledby");
-    ARIA_IMPL(aria_level, "aria-level");
-    ARIA_IMPL(aria_live, "aria-live");
-    ARIA_IMPL(aria_modal, "aria-modal");
-    ARIA_IMPL(aria_multi_line, "aria-multiline");
-    ARIA_IMPL(aria_multi_selectable, "aria-multiselectable");
-    ARIA_IMPL(aria_orientation, "aria-orientation");
-    ARIA_IMPL(aria_owns, "aria-owns");
-    ARIA_IMPL(aria_placeholder, "aria-placeholder");
-    ARIA_IMPL(aria_pos_in_set, "aria-posinset");
-    ARIA_IMPL(aria_pressed, "aria-pressed");
-    ARIA_IMPL(aria_read_only, "aria-readonly");
-    ARIA_IMPL(aria_relevant, "aria-relevant");
-    ARIA_IMPL(aria_required, "aria-required");
-    ARIA_IMPL(aria_role_description, "aria-roledescription");
-    ARIA_IMPL(aria_row_count, "aria-rowcount");
-    ARIA_IMPL(aria_row_index, "aria-rowindex");
-    ARIA_IMPL(aria_row_span, "aria-rowspan");
-    ARIA_IMPL(aria_selected, "aria-selected");
-    ARIA_IMPL(aria_set_size, "aria-setsize");
-    ARIA_IMPL(aria_sort, "aria-sort");
-    ARIA_IMPL(aria_value_max, "aria-valuemax");
-    ARIA_IMPL(aria_value_min, "aria-valuemin");
-    ARIA_IMPL(aria_value_now, "aria-valuenow");
-    ARIA_IMPL(aria_value_text, "aria-valuetext");
+    ARIA_IMPL(role, "role"sv);
+    ARIA_IMPL(aria_active_descendant, "aria-activedescendant"sv);
+    ARIA_IMPL(aria_atomic, "aria-atomic"sv);
+    ARIA_IMPL(aria_auto_complete, "aria-autocomplete"sv);
+    ARIA_IMPL(aria_busy, "aria-busy"sv);
+    ARIA_IMPL(aria_checked, "aria-checked"sv);
+    ARIA_IMPL(aria_col_count, "aria-colcount"sv);
+    ARIA_IMPL(aria_col_index, "aria-colindex"sv);
+    ARIA_IMPL(aria_col_span, "aria-colspan"sv);
+    ARIA_IMPL(aria_controls, "aria-controls"sv);
+    ARIA_IMPL(aria_current, "aria-current"sv);
+    ARIA_IMPL(aria_described_by, "aria-describedby"sv);
+    ARIA_IMPL(aria_details, "aria-details"sv);
+    ARIA_IMPL(aria_drop_effect, "aria-dropeffect"sv);
+    ARIA_IMPL(aria_error_message, "aria-errormessage"sv);
+    ARIA_IMPL(aria_disabled, "aria-disabled"sv);
+    ARIA_IMPL(aria_expanded, "aria-expanded"sv);
+    ARIA_IMPL(aria_flow_to, "aria-flowto"sv);
+    ARIA_IMPL(aria_grabbed, "aria-grabbed"sv);
+    ARIA_IMPL(aria_has_popup, "aria-haspopup"sv);
+    ARIA_IMPL(aria_hidden, "aria-hidden"sv);
+    ARIA_IMPL(aria_invalid, "aria-invalid"sv);
+    ARIA_IMPL(aria_key_shortcuts, "aria-keyshortcuts"sv);
+    ARIA_IMPL(aria_label, "aria-label"sv);
+    ARIA_IMPL(aria_labelled_by, "aria-labelledby"sv);
+    ARIA_IMPL(aria_level, "aria-level"sv);
+    ARIA_IMPL(aria_live, "aria-live"sv);
+    ARIA_IMPL(aria_modal, "aria-modal"sv);
+    ARIA_IMPL(aria_multi_line, "aria-multiline"sv);
+    ARIA_IMPL(aria_multi_selectable, "aria-multiselectable"sv);
+    ARIA_IMPL(aria_orientation, "aria-orientation"sv);
+    ARIA_IMPL(aria_owns, "aria-owns"sv);
+    ARIA_IMPL(aria_placeholder, "aria-placeholder"sv);
+    ARIA_IMPL(aria_pos_in_set, "aria-posinset"sv);
+    ARIA_IMPL(aria_pressed, "aria-pressed"sv);
+    ARIA_IMPL(aria_read_only, "aria-readonly"sv);
+    ARIA_IMPL(aria_relevant, "aria-relevant"sv);
+    ARIA_IMPL(aria_required, "aria-required"sv);
+    ARIA_IMPL(aria_role_description, "aria-roledescription"sv);
+    ARIA_IMPL(aria_row_count, "aria-rowcount"sv);
+    ARIA_IMPL(aria_row_index, "aria-rowindex"sv);
+    ARIA_IMPL(aria_row_span, "aria-rowspan"sv);
+    ARIA_IMPL(aria_selected, "aria-selected"sv);
+    ARIA_IMPL(aria_set_size, "aria-setsize"sv);
+    ARIA_IMPL(aria_sort, "aria-sort"sv);
+    ARIA_IMPL(aria_value_max, "aria-valuemax"sv);
+    ARIA_IMPL(aria_value_min, "aria-valuemin"sv);
+    ARIA_IMPL(aria_value_now, "aria-valuenow"sv);
+    ARIA_IMPL(aria_value_text, "aria-valuetext"sv);
 
 #undef ARIA_IMPL
 
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.h b/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.h
index 870b914a5e..4452bbd03f 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.h
@@ -25,7 +25,7 @@ public:
     virtual DeprecatedString aria_level() const override
     {
         // TODO: aria-level = the number in the element's tag name
-        return get_attribute("aria-level");
+        return get_attribute("aria-level"sv);
     }
 
 private:
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
index 60418f0e51..e7642be91f 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
@@ -1088,7 +1088,7 @@ Optional<ARIA::Role> HTMLInputElement::default_role() const
     if (type_state() == TypeAttributeState::Checkbox)
         return ARIA::Role::checkbox;
     // https://www.w3.org/TR/html-aria/#el-input-email
-    if (type_state() == TypeAttributeState::Email && deprecated_attribute("list").is_null())
+    if (type_state() == TypeAttributeState::Email && !has_attribute(AttributeNames::list))
         return ARIA::Role::textbox;
     // https://www.w3.org/TR/html-aria/#el-input-image
     if (type_state() == TypeAttributeState::ImageButton)
@@ -1111,10 +1111,10 @@ Optional<ARIA::Role> HTMLInputElement::default_role() const
             || type_state() == TypeAttributeState::Telephone
             || type_state() == TypeAttributeState::URL
             || type_state() == TypeAttributeState::Email)
-        && !deprecated_attribute("list").is_null())
+        && has_attribute(AttributeNames::list))
         return ARIA::Role::combobox;
     // https://www.w3.org/TR/html-aria/#el-input-search
-    if (type_state() == TypeAttributeState::Search && deprecated_attribute("list").is_null())
+    if (type_state() == TypeAttributeState::Search && !has_attribute(AttributeNames::list))
         return ARIA::Role::textbox;
     // https://www.w3.org/TR/html-aria/#el-input-submit
     if (type_state() == TypeAttributeState::SubmitButton)
@@ -1123,10 +1123,10 @@ Optional<ARIA::Role> HTMLInputElement::default_role() const
     if (type_state() == TypeAttributeState::Telephone)
         return ARIA::Role::textbox;
     // https://www.w3.org/TR/html-aria/#el-input-text
-    if (type_state() == TypeAttributeState::Text && deprecated_attribute("list").is_null())
+    if (type_state() == TypeAttributeState::Text && !has_attribute(AttributeNames::list))
         return ARIA::Role::textbox;
     // https://www.w3.org/TR/html-aria/#el-input-url
-    if (type_state() == TypeAttributeState::URL && deprecated_attribute("list").is_null())
+    if (type_state() == TypeAttributeState::URL && !has_attribute(AttributeNames::list))
         return ARIA::Role::textbox;
 
     // https://www.w3.org/TR/html-aria/#el-input-color
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp
index ed81c15be0..ae9b70ea25 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp
@@ -167,7 +167,7 @@ Optional<ARIA::Role> HTMLSelectElement::default_role() const
     if (has_attribute(AttributeNames::multiple))
         return ARIA::Role::listbox;
     if (has_attribute(AttributeNames::size)) {
-        auto size_attribute = deprecated_attribute("size").to_int();
+        auto size_attribute = deprecated_attribute(AttributeNames::size).to_int();
         if (size_attribute.has_value() && size_attribute.value() > 1)
             return ARIA::Role::listbox;
     }
diff --git a/Userland/Services/WebContent/WebDriverConnection.cpp b/Userland/Services/WebContent/WebDriverConnection.cpp
index 7b2dd1e38c..9527df963b 100644
--- a/Userland/Services/WebContent/WebDriverConnection.cpp
+++ b/Userland/Services/WebContent/WebDriverConnection.cpp
@@ -1345,7 +1345,7 @@ Messages::WebDriverClient::ElementClickResponse WebDriverConnection::element_cli
 
             // 3. If element’s container has the multiple attribute, toggle the element’s selectedness state
             //    by setting it to the opposite value of its current selectedness.
-            if (parent_node.has_value() && parent_node->has_attribute("multiple")) {
+            if (parent_node.has_value() && parent_node->has_attribute(Web::HTML::AttributeNames::multiple)) {
                 option_element.set_selected(!option_element.selected());
             }
             //    Otherwise, set the element’s selectedness state to true.