diff --git a/bin/mm-server b/bin/mm-server
index 86043198..d5b04e39 100755
--- a/bin/mm-server
+++ b/bin/mm-server
@@ -6,7 +6,7 @@ require 'optparse'
 require File.join(File.dirname(__FILE__), '..', 'lib', 'middleman')
 
 env = ENV['MM_ENV'] || ENV['RACK_ENV'] || 'development'
-options = { :Port => 4567, :Host => 'localhost', :AccessLog => [] }
+options = { :Port => 4567, :AccessLog => [] }
 
 OptionParser.new { |opts|
   opts.banner = "Usage: mm-server [rack options]"
diff --git a/lib/middleman/features/minify_javascript.rb b/lib/middleman/features/minify_javascript.rb
index e59f24fd..b1292513 100644
--- a/lib/middleman/features/minify_javascript.rb
+++ b/lib/middleman/features/minify_javascript.rb
@@ -21,9 +21,12 @@ END
       
       compressor = ::YUI::JavaScriptCompressor.new(:munge => true)
       Dir[File.join(Middleman::Base.build_dir, Middleman::Base.js_dir, "**", "*.js")].each do |path|
-        compressed_js = compressor.compress(File.read(path))
-        File.open(path, 'w') { |f| f.write(compressed_js) }
-        say "<%= color('#{"[COMPRESSED]".rjust(12)}', :yellow) %>  " + path.gsub(Middleman::Base.build_dir+"/", '')
+        lines = IO.readlines(path)
+        if lines.length > 1
+          compressed_js = compressor.compress(lines.join($/))
+          File.open(path, 'w') { |f| f.write(compressed_js) }
+          say "<%= color('#{"[COMPRESSED]".rjust(12)}', :yellow) %>  " + path.gsub(Middleman::Base.build_dir+"/", '')
+        end
       end
     end
   end if Middleman::Base.environment == "build"
diff --git a/lib/middleman/templater+dynamic_renderer.rb b/lib/middleman/templater+dynamic_renderer.rb
index 4b026e4e..4f1882a4 100644
--- a/lib/middleman/templater+dynamic_renderer.rb
+++ b/lib/middleman/templater+dynamic_renderer.rb
@@ -14,10 +14,12 @@ end
 
 class Templater::Actions::Template
   def render
-    # The default render just requests the page over Rack and writes the response
-    request_path = destination.gsub(File.join(Dir.pwd, Middleman::Base.build_dir), "")
-    browser = Rack::Test::Session.new(Rack::MockSession.new(Middleman::Base))
-    browser.get(request_path)
-    browser.last_response.body
+    @render_cache ||= begin
+      # The default render just requests the page over Rack and writes the response
+      request_path = destination.gsub(File.join(Dir.pwd, Middleman::Base.build_dir), "")
+      browser = Rack::Test::Session.new(Rack::MockSession.new(Middleman::Base))
+      browser.get(request_path)
+      browser.last_response.body
+    end
   end
 end
\ No newline at end of file