diff --git a/src/AutoConnect.h b/src/AutoConnect.h
index b1e98b4..f94ea6e 100644
--- a/src/AutoConnect.h
+++ b/src/AutoConnect.h
@@ -189,8 +189,9 @@ class AutoConnect {
 
   /** For AutoConnectAux described in JSON */
 #ifdef AUTOCONNECT_USE_JSON
-  bool  load(const String& aux);
+  bool  load(PGM_P aux);
   bool  load(const __FlashStringHelper* aux);
+  bool  load(const String& aux);
   bool  load(Stream& aux);
 #endif // !AUTOCONNECT_USE_JSON
 
diff --git a/src/AutoConnectAux.cpp b/src/AutoConnectAux.cpp
index 691d5d4..f62326e 100644
--- a/src/AutoConnectAux.cpp
+++ b/src/AutoConnectAux.cpp
@@ -495,14 +495,14 @@ void AutoConnectAux::_storeElements(WebServerClass* webServer) {
 #ifdef AUTOCONNECT_USE_JSON
 
 /**
- * Load AutoConnectAux page from JSON description stored in the sketch.
+ * Load AutoConnectAux page from JSON description stored in PROGMEM.
  * This function can load AutoConnectAux for multiple AUX pages written
  * in JSON and is registered in AutoConnect.
  * @param  aux  JSON description to be load.
  * @return true Successfully loaded.
  */
-bool AutoConnect::load(const String& aux) {
-  return _parseJson<const String&>(aux);
+bool AutoConnect::load(PGM_P aux) {
+  return _parseJson<const __FlashStringHelper*>(reinterpret_cast<const __FlashStringHelper*>(aux));
 }
 
 /**
@@ -516,6 +516,17 @@ bool AutoConnect::load(const __FlashStringHelper* aux) {
   return _parseJson<const __FlashStringHelper*>(aux);
 }
 
+/**
+ * Load AutoConnectAux page from JSON description stored in the sketch.
+ * This function can load AutoConnectAux for multiple AUX pages written
+ * in JSON and is registered in AutoConnect.
+ * @param  aux  JSON description to be load.
+ * @return true Successfully loaded.
+ */
+bool AutoConnect::load(const String& aux) {
+  return _parseJson<const String&>(aux);
+}
+
 /**
  * Load AutoConnectAux page from JSON description from the stream.
  * This function can load AutoConnectAux for multiple AUX pages written
@@ -622,6 +633,18 @@ bool AutoConnectAux::load(const String& in) {
   return _parseJson<const String&>(in);
 }
 
+/**
+ * Constructs an AutoConnectAux instance by reading all the
+ * AutoConnectElements of the specified URI from the elements passing
+ * pointer to JSON stored in pgm_data array.
+ * @param  in    AutoConnectAux element data which is described by JSON.
+ * @return true  The element collection successfully loaded.
+ * @return false Invalid JSON data occurred. 
+ */
+bool AutoConnectAux::load(PGM_P in) {
+  return _parseJson<const __FlashStringHelper*>(reinterpret_cast<const __FlashStringHelper*>(in));
+}
+
 /**
  * Constructs an AutoConnectAux instance by reading all the
  * AutoConnectElements of the specified URI from the elements defined
@@ -672,26 +695,33 @@ bool AutoConnectAux::_load(JsonObject& jb) {
  * elements are to be loaded.
  * @return A reference of loaded AutoConnectElement instance.
  */
-bool AutoConnectAux::loadElement(const String& in, const String& name) {
-  return _parseElement<const String&, const String&>(in, name);
+bool AutoConnectAux::loadElement(PGM_P in, const String& name) {
+  return _parseElement<const __FlashStringHelper*, const String&>(reinterpret_cast<const __FlashStringHelper*>(in), name);
 }
 
 bool AutoConnectAux::loadElement(const __FlashStringHelper* in, const String& name) {
   return _parseElement<const __FlashStringHelper*, const String&>(in, name);
 }
 
+bool AutoConnectAux::loadElement(const String& in, const String& name) {
+  return _parseElement<const String&, const String&>(in, name);
+}
 bool AutoConnectAux::loadElement(Stream& in, const String& name) {
   return _parseElement<Stream&, const String&>(in, name);
 }
 
-bool AutoConnectAux::loadElement(const String& in, std::vector<String> const& names) {
-  return _parseElement<const String&, std::vector<String> const&>(in, names);
+bool AutoConnectAux::loadElement(PGM_P in, std::vector<String> const& names) {
+  return _parseElement<const __FlashStringHelper*, std::vector<String> const&>(reinterpret_cast<const __FlashStringHelper*>(in), names);
 }
 
 bool AutoConnectAux::loadElement(const __FlashStringHelper* in, std::vector<String> const& names) {
   return _parseElement<const __FlashStringHelper*, std::vector<String> const&>(in, names);
 }
 
+bool AutoConnectAux::loadElement(const String& in, std::vector<String> const& names) {
+  return _parseElement<const String&, std::vector<String> const&>(in, names);
+}
+
 bool AutoConnectAux::loadElement(Stream& in, std::vector<String> const& names) {
   return _parseElement<Stream&, std::vector<String> const&>(in, names);
 }
diff --git a/src/AutoConnectAux.h b/src/AutoConnectAux.h
index 7bd2b02..284e36a 100644
--- a/src/AutoConnectAux.h
+++ b/src/AutoConnectAux.h
@@ -71,13 +71,16 @@ class AutoConnectAux : public PageBuilder {
   }
 
 #ifdef AUTOCONNECT_USE_JSON
-  bool  load(const String& in);                                         /**< Load whole elements to AutoConnectAux Page */
+  bool  load(PGM_P in);                                                 /**< Load whole elements to AutoConnectAux Page */
   bool  load(const __FlashStringHelper* in);                            /**< Load whole elements to AutoConnectAux Page */
+  bool  load(const String& in);                                         /**< Load whole elements to AutoConnectAux Page */
   bool  load(Stream& in);                                               /**< Load whole elements to AutoConnectAux Page */
-  bool  loadElement(const String& in, const String& name = String("")); /**< Load specified element */
-  bool  loadElement(const String& in, std::vector<String> const& names);/**< Load any specified elements */
+  bool  loadElement(PGM_P in, const String& name = String(""));         /**< Load specified element */
+  bool  loadElement(PGM_P in, std::vector<String> const& names);        /**< Load any specified elements */
   bool  loadElement(const __FlashStringHelper* in, const String& name = String(""));  /**< Load specified element */
   bool  loadElement(const __FlashStringHelper* in, std::vector<String> const& names); /**< Load any specified elements */
+  bool  loadElement(const String& in, const String& name = String("")); /**< Load specified element */
+  bool  loadElement(const String& in, std::vector<String> const& names);/**< Load any specified elements */
   bool  loadElement(Stream& in, const String& name = String(""));       /**< Load specified element */
   bool  loadElement(Stream& in, std::vector<String> const& names);      /**< Load any specified elements */
   size_t  saveElement(Stream& out, std::vector<String> const& names = {});  /**< Write elements of AutoConnectAux to the stream */