add sample .htaccess file for gzip compression

Author: mmunz

.gitignore

@@ -1,2 +1,3 @@
 topo3.json
+.htaccess
 *.bak

_.htaccess

@@ -0,0 +1,48 @@
+# it is a god idee to enable gzip compression. Saves 80-90% on the transferred filesize
+AddType application/json .json
+
+# gzip output
+# see http://www.xpertdeveloper.com/2012/04/htaccess-gzip-compression/
+<IfModule mod_deflate.c>
+  # force deflate for mangled headers
+  # developer.yahoo.com/blogs/ydn/posts/2010/12/pushing-beyond-gzipping/
+  <IfModule mod_setenvif.c>
+    <IfModule mod_headers.c>
+      SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding
+      RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding
+    </IfModule>
+  </IfModule>
+
+  # HTML, TXT, CSS, JavaScript, JSON, XML, HTC:
+  <IfModule filter_module>
+    FilterDeclare   COMPRESS
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/html
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/css
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/plain
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/xml
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/x-component
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/javascript
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/json
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/xml
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/xhtml+xml
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/rss+xml
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/atom+xml
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/vnd.ms-fontobject
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $image/svg+xml
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/x-font-ttf
+    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $font/opentype
+    FilterChain     COMPRESS
+    FilterProtocol  COMPRESS  DEFLATE change=yes;byteranges=no
+  </IfModule>
+
+  <IfModule !mod_filter.c>
+    # Legacy versions of Apache
+    AddOutputFilterByType DEFLATE text/html text/plain text/css application/json
+    AddOutputFilterByType DEFLATE application/javascript
+    AddOutputFilterByType DEFLATE text/xml application/xml text/x-component
+    AddOutputFilterByType DEFLATE application/xhtml+xml application/rss+xml
+    AddOutputFilterByType DEFLATE application/atom+xml
+    AddOutputFilterByType DEFLATE image/svg+xml application/vnd.ms-fontobject
+    AddOutputFilterByType DEFLATE application/x-font-ttf font/opentype
+  </IfModule>
+</IfModule>