diff --git a/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp b/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
index 2354e82e670..bfa0826db72 100644
--- a/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
+++ b/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
@@ -77,7 +77,7 @@ static WebIDL::ExceptionOr<JS::NonnullGCPtr<DOM::Document>> load_markdown_docume
             if (!markdown_document)
                 return;
 
-            auto parser = HTML::HTMLParser::create(document, markdown_document->render_to_html(extra_head_contents), "utf-8");
+            auto parser = HTML::HTMLParser::create(document, markdown_document->render_to_html(extra_head_contents), "utf-8"sv);
             parser->run(url);
         };
 
diff --git a/Userland/Libraries/LibWeb/HTML/DOMParser.cpp b/Userland/Libraries/LibWeb/HTML/DOMParser.cpp
index 6cf711d649e..d66b7641537 100644
--- a/Userland/Libraries/LibWeb/HTML/DOMParser.cpp
+++ b/Userland/Libraries/LibWeb/HTML/DOMParser.cpp
@@ -53,7 +53,7 @@ JS::NonnullGCPtr<DOM::Document> DOMParser::parse_from_string(StringView string,
         // 2. Create an HTML parser parser, associated with document.
         // 3. Place string into the input stream for parser. The encoding confidence is irrelevant.
         // FIXME: We don't have the concept of encoding confidence yet.
-        auto parser = HTMLParser::create(*document, string, "UTF-8");
+        auto parser = HTMLParser::create(*document, string, "UTF-8"sv);
 
         // 4. Start parser and let it run until it has consumed all the characters just inserted into the input stream.
         // FIXME: This is to match the default URL. Instead, pass in this's relevant global object's associated Document's URL.
diff --git a/Userland/Libraries/LibWeb/HTML/Navigable.cpp b/Userland/Libraries/LibWeb/HTML/Navigable.cpp
index 93e3f7728e9..31723cf732a 100644
--- a/Userland/Libraries/LibWeb/HTML/Navigable.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Navigable.cpp
@@ -1127,7 +1127,7 @@ WebIDL::ExceptionOr<void> Navigable::populate_session_history_entry_document(
             // FIXME: Add error message to generated error page
             auto error_html = load_error_page(entry->url()).release_value_but_fixme_should_propagate_errors();
             entry->document_state()->set_document(create_document_for_inline_content(this, navigation_id, [error_html](auto& document) {
-                auto parser = HTML::HTMLParser::create(document, error_html, "utf-8");
+                auto parser = HTML::HTMLParser::create(document, error_html, "utf-8"sv);
                 document.set_url(URL::URL("about:error"));
                 parser->run();
             }));
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
index 62901d05bbc..a3143c746ff 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
@@ -132,7 +132,7 @@ static bool is_html_integration_point(DOM::Element const& element)
     return false;
 }
 
-HTMLParser::HTMLParser(DOM::Document& document, StringView input, ByteString const& encoding)
+HTMLParser::HTMLParser(DOM::Document& document, StringView input, StringView encoding)
     : m_tokenizer(input, encoding)
     , m_scripting_enabled(document.is_scripting_enabled())
     , m_document(JS::make_handle(document))
@@ -4144,7 +4144,7 @@ Vector<JS::Handle<DOM::Node>> HTMLParser::parse_html_fragment(DOM::Element& cont
     temp_document->set_quirks_mode(context_element.document().mode());
 
     // 3. Create a new HTML parser, and associate it with the just created Document node.
-    auto parser = HTMLParser::create(*temp_document, markup, "utf-8");
+    auto parser = HTMLParser::create(*temp_document, markup, "utf-8"sv);
     parser->m_context_element = JS::make_handle(context_element);
     parser->m_parsing_fragment = true;
 
@@ -4239,7 +4239,7 @@ JS::NonnullGCPtr<HTMLParser> HTMLParser::create_with_uncertain_encoding(DOM::Doc
     return document.heap().allocate_without_realm<HTMLParser>(document, input, encoding);
 }
 
-JS::NonnullGCPtr<HTMLParser> HTMLParser::create(DOM::Document& document, StringView input, ByteString const& encoding)
+JS::NonnullGCPtr<HTMLParser> HTMLParser::create(DOM::Document& document, StringView input, StringView encoding)
 {
     return document.heap().allocate_without_realm<HTMLParser>(document, input, encoding);
 }
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.h b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.h
index 9fcb3a0a74d..c170a6d2442 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.h
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.h
@@ -51,7 +51,7 @@ public:
 
     static JS::NonnullGCPtr<HTMLParser> create_for_scripting(DOM::Document&);
     static JS::NonnullGCPtr<HTMLParser> create_with_uncertain_encoding(DOM::Document&, ByteBuffer const& input);
-    static JS::NonnullGCPtr<HTMLParser> create(DOM::Document&, StringView input, ByteString const& encoding);
+    static JS::NonnullGCPtr<HTMLParser> create(DOM::Document&, StringView input, StringView encoding);
 
     void run(HTMLTokenizer::StopAtInsertionPoint = HTMLTokenizer::StopAtInsertionPoint::No);
     void run(const URL::URL&, HTMLTokenizer::StopAtInsertionPoint = HTMLTokenizer::StopAtInsertionPoint::No);
@@ -84,7 +84,7 @@ public:
     size_t script_nesting_level() const { return m_script_nesting_level; }
 
 private:
-    HTMLParser(DOM::Document&, StringView input, ByteString const& encoding);
+    HTMLParser(DOM::Document&, StringView input, StringView encoding);
     HTMLParser(DOM::Document&);
 
     virtual void visit_edges(Cell::Visitor&) override;