Add back grunt-contrib-htmlmin.

For the size differences see https://gist.github.com/XhmikosR/b167b9f43f20b761e435

Gruntfile.js

@@ -333,6 +333,26 @@ module.exports = function (grunt) {
       }
     },
 
+    htmlmin: {
+      dist: {
+        options: {
+          collapseWhitespace: true,
+          conservativeCollapse: true,
+          minifyCSS: true,
+          minifyJS: true,
+          removeAttributeQuotes: true,
+          removeComments: true
+        },
+        expand: true,
+        cwd: '_gh_pages',
+        dest: '_gh_pages',
+        src: [
+          '**/*.html',
+          '!examples/**/*.html'
+        ]
+      }
+    },
+
     htmllint: {
       options: {
         ignore: [

package.json

@@ -41,6 +41,7 @@
     "grunt-contrib-connect": "~0.11.2",
     "grunt-contrib-copy": "~0.8.1",
     "grunt-contrib-cssmin": "~0.13.0",
+    "grunt-contrib-htmlmin": "^0.4.0",
     "grunt-contrib-qunit": "~0.7.0",
     "grunt-contrib-sass": "^0.9.2",
     "grunt-contrib-uglify": "~0.9.2",