diff --git a/src/ulib/net/server/plugin/usp/db.usp b/src/ulib/net/server/plugin/usp/db.usp
index 7e05b4f9..e7c18a62 100644
--- a/src/ulib/net/server/plugin/usp/db.usp
+++ b/src/ulib/net/server/plugin/usp/db.usp
@@ -55,7 +55,7 @@ static void usp_end_db()
 #endif
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 pworld_db->id = u_get_num_random(10000);
diff --git a/src/ulib/net/server/plugin/usp/json.usp b/src/ulib/net/server/plugin/usp/json.usp
index 61aa5404..f8a0fafd 100644
--- a/src/ulib/net/server/plugin/usp/json.usp
+++ b/src/ulib/net/server/plugin/usp/json.usp
@@ -36,7 +36,7 @@ static void usp_end_json()
 #endif
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 #ifndef AS_cpoll_cppsp_DO
diff --git a/src/ulib/net/server/plugin/usp/query.usp b/src/ulib/net/server/plugin/usp/query.usp
index 469433ce..1e868b37 100644
--- a/src/ulib/net/server/plugin/usp/query.usp
+++ b/src/ulib/net/server/plugin/usp/query.usp
@@ -64,7 +64,7 @@ static void usp_end_query()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 int i = 0, num_queries;
diff --git a/src/ulib/net/server/plugin/usp/rdb.usp b/src/ulib/net/server/plugin/usp/rdb.usp
index 09b2a03d..1514fba3 100644
--- a/src/ulib/net/server/plugin/usp/rdb.usp
+++ b/src/ulib/net/server/plugin/usp/rdb.usp
@@ -51,7 +51,7 @@ static void usp_end_rdb()
 #endif
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 UStringRep* rep;
diff --git a/src/ulib/net/server/plugin/usp/rquery.usp b/src/ulib/net/server/plugin/usp/rquery.usp
index fd100d55..06f19ea5 100644
--- a/src/ulib/net/server/plugin/usp/rquery.usp
+++ b/src/ulib/net/server/plugin/usp/rquery.usp
@@ -54,7 +54,7 @@ static void usp_end_rquery()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 World* pworld;
diff --git a/src/ulib/net/server/plugin/usp/rupdate.usp b/src/ulib/net/server/plugin/usp/rupdate.usp
index d5f5d6c7..9012bde8 100644
--- a/src/ulib/net/server/plugin/usp/rupdate.usp
+++ b/src/ulib/net/server/plugin/usp/rupdate.usp
@@ -54,7 +54,7 @@ static void usp_end_rupdate()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 World* pworld;
diff --git a/src/ulib/net/server/plugin/usp/update.usp b/src/ulib/net/server/plugin/usp/update.usp
index 634869a3..c372fcf9 100644
--- a/src/ulib/net/server/plugin/usp/update.usp
+++ b/src/ulib/net/server/plugin/usp/update.usp
@@ -72,7 +72,7 @@ static void usp_end_update()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 int i = 0, num_queries;
diff --git a/src/ulib/utility/http2.cpp b/src/ulib/utility/http2.cpp
index 9594e657..d40368f2 100644
--- a/src/ulib/utility/http2.cpp
+++ b/src/ulib/utility/http2.cpp
@@ -1053,6 +1053,18 @@ loop:
 
    if (sz == UClientImage_Base::rstart)
       {
+      U_INTERNAL_DUMP("settings_ack = %b U_http2_settings_len = %b", settings_ack, U_http2_settings_len)
+
+      if (settings_ack &&
+          U_http2_settings_len)
+         {
+         U_DEBUG("HTTP2 upgrade: User-Agent = %.*S", U_HTTP_USER_AGENT_TO_TRACE);
+
+         openStream();
+
+         goto end;
+         }
+
       UClientImage_Base::rstart = 0;
 
       UClientImage_Base::rbuffer->setEmpty();
@@ -1169,19 +1181,6 @@ loop:
             {
             // TODO
 
-            U_INTERNAL_DUMP("settings_ack = %b UClientImage_Base::rbuffer->size() = %u UClientImage_Base::rstart = %u",
-                             settings_ack,     UClientImage_Base::rbuffer->size(),     UClientImage_Base::rstart)
-
-            if (settings_ack &&
-                UClientImage_Base::rbuffer->size() == UClientImage_Base::rstart)
-               {
-               U_INTERNAL_DUMP("User-Agent: = %.*S", U_HTTP_USER_AGENT_TO_TRACE)
-
-               openStream();
-
-               goto end;
-               }
-
             goto loop;
             }
 
diff --git a/src/ulib/utility/uhttp.cpp b/src/ulib/utility/uhttp.cpp
index 75a3a7e2..3a8ca660 100644
--- a/src/ulib/utility/uhttp.cpp
+++ b/src/ulib/utility/uhttp.cpp
@@ -6018,15 +6018,22 @@ end:
 
       if (u_is_html(mime_index))
          {
+#     if defined(U_LOG_ENABLE) && defined(USE_LIBZ)
          u_put_unalignedp64(ptr1,    U_MULTICHAR_CONSTANT64('/','h','t','m','l',';',' ','c'));
          u_put_unalignedp64(ptr1+8,  U_MULTICHAR_CONSTANT64('h','a','r','s','e','t','=','U'));
          u_put_unalignedp32(ptr1+16, U_MULTICHAR_CONSTANT32('T','F','-','8'));
          u_put_unalignedp16(ptr1+20, U_MULTICHAR_CONSTANT16('\r','\n'));
 
          sz += U_CONSTANT_SIZE("Content-Type: " U_CTYPE_HTML "\r\n");
+#     else
+         u_put_unalignedp64(ptr1, U_MULTICHAR_CONSTANT64('/','h','t','m','l','\r','\n','\0'));
+
+         sz += U_CONSTANT_SIZE("Content-Type: text/html\r\n");
+#     endif
          }
       else
          {
+#     if defined(U_LOG_ENABLE) && defined(USE_LIBZ)
          u_put_unalignedp64(ptr1,    U_MULTICHAR_CONSTANT64('/','p','l','a','i','n',';',' '));
          u_put_unalignedp64(ptr1+8,  U_MULTICHAR_CONSTANT64('c','h','a','r','s','e','t','='));
          u_put_unalignedp32(ptr1+16, U_MULTICHAR_CONSTANT32('U','T','F','-'));
@@ -6034,6 +6041,11 @@ end:
          u_put_unalignedp16(ptr1+21, U_MULTICHAR_CONSTANT16('\r','\n'));
 
          sz += U_CONSTANT_SIZE("Content-Type: " U_CTYPE_TEXT "\r\n");
+#     else
+         u_put_unalignedp64(ptr1, U_MULTICHAR_CONSTANT64('/','p','l','a','i','n','\r','\n'));
+
+         sz += U_CONSTANT_SIZE("Content-Type: text/plain\r\n");
+#     endif
          }
       }
 
@@ -9575,7 +9587,7 @@ U_NO_EXPORT void UHTTP::processGetRequest()
       {
       expire = 0L;
 
-      ctype = (mime_index == U_unknow ? U_CTYPE_TEXT
+      ctype = (mime_index == U_unknow ? "text/plain"
                                       : file->getMimeType());
       }
 
diff --git a/tests/.function b/tests/.function
index 9b7d9802..d3ab53e5 100644
--- a/tests/.function
+++ b/tests/.function
@@ -313,6 +313,7 @@ check_for_netcat() {
 			NC=nc
 		fi
 		if [ "$NC_TEST" = "Ncat 6.47 " ] || \
+			[ "$NC_TEST" = "Ncat 7.00 " ] || \
 			[ "$NC_TEST" = "usage: nc [-46DdhklnrStUuvzC] [-i interval] [-p source_port]" ] || \
 			[ "$NC_TEST" = "This is nc from the netcat-openbsd package. An alternative nc is available in the netcat-traditional package." ]; then
 			NC=nc
diff --git a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/db.usp b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/db.usp
index 7e05b4f9..e7c18a62 100644
--- a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/db.usp
+++ b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/db.usp
@@ -55,7 +55,7 @@ static void usp_end_db()
 #endif
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 pworld_db->id = u_get_num_random(10000);
diff --git a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/json.usp b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/json.usp
index 61aa5404..f8a0fafd 100644
--- a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/json.usp
+++ b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/json.usp
@@ -36,7 +36,7 @@ static void usp_end_json()
 #endif
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 #ifndef AS_cpoll_cppsp_DO
diff --git a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/query.usp b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/query.usp
index 469433ce..1e868b37 100644
--- a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/query.usp
+++ b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/query.usp
@@ -64,7 +64,7 @@ static void usp_end_query()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 int i = 0, num_queries;
diff --git a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rdb.usp b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rdb.usp
index 09b2a03d..1514fba3 100644
--- a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rdb.usp
+++ b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rdb.usp
@@ -51,7 +51,7 @@ static void usp_end_rdb()
 #endif
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 UStringRep* rep;
diff --git a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rquery.usp b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rquery.usp
index fd100d55..06f19ea5 100644
--- a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rquery.usp
+++ b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rquery.usp
@@ -54,7 +54,7 @@ static void usp_end_rquery()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 World* pworld;
diff --git a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rupdate.usp b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rupdate.usp
index d5f5d6c7..9012bde8 100644
--- a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rupdate.usp
+++ b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/rupdate.usp
@@ -54,7 +54,7 @@ static void usp_end_rupdate()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 World* pworld;
diff --git a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/update.usp b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/update.usp
index 634869a3..c372fcf9 100644
--- a/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/update.usp
+++ b/tests/examples/benchmark/FrameworkBenchmarks/ULib/src/update.usp
@@ -72,7 +72,7 @@ static void usp_end_update()
 queries;
 -->
 <!--#header
-Content-Type: application/json; charset=UTF-8
+Content-Type: application/json
 -->
 <!--#code
 int i = 0, num_queries;