diff --git a/bash/bash.sh b/bash/bash.sh
index 3cd8749..31f4aa0 100755
--- a/bash/bash.sh
+++ b/bash/bash.sh
@@ -2,6 +2,8 @@
 permalink: /cgi/bash/index.sh
 ---
 
+echo "Content-type: text/plain"
+echo
 echo "Hello from bash!"
 echo
 echo 'date'
diff --git a/perl/perl.pl b/perl/perl.pl
index 9f7545a..1ed32ff 100755
--- a/perl/perl.pl
+++ b/perl/perl.pl
@@ -8,6 +8,7 @@ use POSIX qw(strftime);
 
 my $date = strftime "%m/%d/%Y", localtime;
 
+print("Content-type: text/plain\n\n");
 print "Hello from Perl!\n\n";
 print $date;
 print "\n\n";
diff --git a/python/python.py b/python/python.py
index 917ffe6..f57a305 100755
--- a/python/python.py
+++ b/python/python.py
@@ -3,8 +3,11 @@ permalink: /cgi/python/index.py
 ---
 
 from datetime import datetime
+#from http import HTTPStatus
 from pprint import pprint
 
+print("Content-type: text/plain\n")
+#print(HTTPStatus.OK.value)
 print("Hello from Python!")
 print("")
 print('print(datetime.today().strftime("%Y-%m-%d"))')
diff --git a/ruby/ruby.rb b/ruby/ruby.rb
index 30f1e6d..5472daf 100755
--- a/ruby/ruby.rb
+++ b/ruby/ruby.rb
@@ -2,6 +2,8 @@
 permalink: /cgi/ruby/index.rb
 ---
 
+puts('Content-type: text/plain')
+puts
 puts('Hello from Ruby!')
 puts
 puts('puts(Time.now.strftime("%d/%m/%Y %H:%M"))')