diff --git a/client_http.hpp b/client_http.hpp
index b4da323..5e92df0 100644
--- a/client_http.hpp
+++ b/client_http.hpp
@@ -29,22 +29,6 @@ namespace SimpleWeb {
 } // namespace SimpleWeb
 #endif
 
-#if __cplusplus > 201402L || (defined(_MSC_VER) && _MSC_VER >= 1910)
-#include <string_view>
-namespace SimpleWeb {
-  using string_view = std::string_view;
-}
-#elif !defined(USE_STANDALONE_ASIO)
-#include <boost/utility/string_ref.hpp>
-namespace SimpleWeb {
-  using string_view = boost::string_ref;
-}
-#else
-namespace SimpleWeb {
-  using string_view = const std::string &;
-}
-#endif
-
 namespace SimpleWeb {
   template <class socket_type>
   class Client;
diff --git a/http_examples.cpp b/http_examples.cpp
index 3e16a9c..b19985a 100644
--- a/http_examples.cpp
+++ b/http_examples.cpp
@@ -108,7 +108,7 @@ int main() {
   // GET-example for the path /match/[number], responds with the matched string in path (number)
   // For instance a request GET /match/123 will receive: 123
   server.resource["^/match/([0-9]+)$"]["GET"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
-    response->write(request->path_match[1]);
+    response->write(request->path_match[1].str());
   };
 
   // GET-example simulating heavy work in a separate thread
diff --git a/https_examples.cpp b/https_examples.cpp
index 7f8794a..30bd517 100644
--- a/https_examples.cpp
+++ b/https_examples.cpp
@@ -106,7 +106,7 @@ int main() {
   // GET-example for the path /match/[number], responds with the matched string in path (number)
   // For instance a request GET /match/123 will receive: 123
   server.resource["^/match/([0-9]+)$"]["GET"] = [](shared_ptr<HttpsServer::Response> response, shared_ptr<HttpsServer::Request> request) {
-    response->write(request->path_match[1]);
+    response->write(request->path_match[1].str());
   };
 
   // GET-example simulating heavy work in a separate thread
diff --git a/server_http.hpp b/server_http.hpp
index fd0703c..84b410b 100644
--- a/server_http.hpp
+++ b/server_http.hpp
@@ -161,7 +161,7 @@ namespace SimpleWeb {
       }
 
       /// Convenience function for writing status line, header fields, and content
-      void write(StatusCode status_code, const std::string &content, const CaseInsensitiveMultimap &header = CaseInsensitiveMultimap()) {
+      void write(StatusCode status_code, string_view content, const CaseInsensitiveMultimap &header = CaseInsensitiveMultimap()) {
         *this << "HTTP/1.1 " << SimpleWeb::status_code(status_code) << "\r\n";
         write_header(header, content.size());
         if(!content.empty())
@@ -180,7 +180,7 @@ namespace SimpleWeb {
       }
 
       /// Convenience function for writing success status line, header fields, and content
-      void write(const std::string &content, const CaseInsensitiveMultimap &header = CaseInsensitiveMultimap()) {
+      void write(string_view content, const CaseInsensitiveMultimap &header = CaseInsensitiveMultimap()) {
         write(StatusCode::success_ok, content, header);
       }
 
diff --git a/utility.hpp b/utility.hpp
index 2c0d146..c4ade09 100644
--- a/utility.hpp
+++ b/utility.hpp
@@ -8,6 +8,22 @@
 #include <string>
 #include <unordered_map>
 
+#if __cplusplus > 201402L || (defined(_MSC_VER) && _MSC_VER >= 1910)
+#include <string_view>
+namespace SimpleWeb {
+  using string_view = std::string_view;
+}
+#elif !defined(USE_STANDALONE_ASIO)
+#include <boost/utility/string_ref.hpp>
+namespace SimpleWeb {
+  using string_view = boost::string_ref;
+}
+#else
+namespace SimpleWeb {
+  using string_view = const std::string &;
+}
+#endif
+
 namespace SimpleWeb {
   inline bool case_insensitive_equal(const std::string &str1, const std::string &str2) noexcept {
     return str1.size() == str2.size() &&