Update htaccess

public/.htaccess

@@ -1,10 +1,17 @@
+<FilesMatch "\.(jpeg|jpg|png|gif)$">
+    ErrorDocument 404 "/admin/images/no-image.png"
+</FilesMatch>
+
 <IfModule mod_rewrite.c>
     <IfModule mod_negotiation.c>
         Options -MultiViews
     </IfModule>
 
     RewriteEngine On
 
+    RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} !-f
+    RewriteRule \.(gif|jpeg|jpg|png|bmp) /admin/images/no-image.png [NC,L]
+
     # Redirect Trailing Slashes If Not A Folder...
     RewriteCond %{REQUEST_FILENAME} !-d
     RewriteRule ^(.*)/$ /$1 [L,R=301]
@@ -18,3 +25,95 @@
     RewriteCond %{HTTP:Authorization} .
     RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
 </IfModule>
+
+<IfModule mod_headers.c>
+  <FilesMatch "\.(js|css|xml|gz)$">
+    Header append Vary: Accept-Encoding
+  </FilesMatch>
+</IfModule>
+
+# Use Mod_deflate to compress static files
+<ifmodule mod_deflate.c>
+    <filesmatch ".(js|css|ico|txt|htm|html|php)$">
+        SetOutputFilter DEFLATE
+    </filesmatch>
+</ifmodule>
+
+# Speed up caching
+FileETag MTime Size
+
+# BEGIN Expire headers
+<IfModule mod_expires.c>
+    ExpiresActive On
+    ExpiresDefault "access 86400 seconds"
+    ExpiresByType image/x-icon "access 864000 seconds"
+    ExpiresByType image/jpeg "access 864000 seconds"
+    ExpiresByType image/png "access 864000 seconds"
+    ExpiresByType image/gif "access 864000 seconds"
+    ExpiresByType application/x-shockwave-flash "access 864000 seconds"
+    ExpiresByType text/css "access 864000 seconds"
+    ExpiresByType text/javascript "access 864000 seconds"
+    ExpiresByType application/javascript "access 864000 seconds"
+    ExpiresByType application/x-javascript "access 864000 seconds"
+    ExpiresByType text/html "access 600 seconds"
+    ExpiresByType application/xhtml+xml "access 600 seconds"
+</IfModule>
+# END Expire headers
+
+<IfModule pagespeed_module>
+    ModPagespeed on
+    ModPagespeedEnableFilters
+    extend_cache,combine_css,combine_javascript,collapse_whitespace,move_css_to_head
+</IfModule>
+
+# BEGIN Cache-Control Headers
+<IfModule mod_headers.c>
+    <filesMatch "\.(ico|jpe?g|png|gif|swf)$">
+    Header set Cache-Control "public"
+    </filesMatch>
+    <filesMatch "\.(css)$">
+    Header set Cache-Control "public"
+    </filesMatch>
+    <filesMatch "\.(js)$">
+    Header set Cache-Control "private"
+    </filesMatch>
+    <filesMatch "\.(x?html?|php)$">
+    Header set Cache-Control "private, must-revalidate"
+    </filesMatch>
+</IfModule>
+# END Cache-Control Headers
+
+# Enable Compression
+<IfModule mod_deflate.c>
+    AddOutputFilterByType DEFLATE application/javascript
+    AddOutputFilterByType DEFLATE application/rss+xml
+    AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
+    AddOutputFilterByType DEFLATE application/x-font
+    AddOutputFilterByType DEFLATE application/x-font-opentype
+    AddOutputFilterByType DEFLATE application/x-font-otf
+    AddOutputFilterByType DEFLATE application/x-font-truetype
+    AddOutputFilterByType DEFLATE application/x-font-ttf
+    AddOutputFilterByType DEFLATE application/x-javascript
+    AddOutputFilterByType DEFLATE application/xhtml+xml
+    AddOutputFilterByType DEFLATE application/xml
+    AddOutputFilterByType DEFLATE font/opentype
+    AddOutputFilterByType DEFLATE font/otf
+    AddOutputFilterByType DEFLATE font/ttf
+    AddOutputFilterByType DEFLATE image/svg+xml
+    AddOutputFilterByType DEFLATE image/x-icon
+    AddOutputFilterByType DEFLATE text/css
+    AddOutputFilterByType DEFLATE text/html
+    AddOutputFilterByType DEFLATE text/javascript
+    AddOutputFilterByType DEFLATE text/plain
+</IfModule>
+
+<IfModule mod_gzip.c>
+    mod_gzip_on Yes
+    mod_gzip_dechunk Yes
+    mod_gzip_item_include file .(html?|txt|css|js|php|pl)$
+    mod_gzip_item_include handler ^cgi-script$
+    mod_gzip_item_include mime ^text/.*
+    mod_gzip_item_include mime ^application/x-javascript.*
+    mod_gzip_item_exclude mime ^image/.*
+    mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
+</IfModule>