.htaccess

# ----------------------------------------------------------------------
# Better website experience for IE users
# ----------------------------------------------------------------------
# Force the latest IE version, in various cases when it may fall back to IE7 mode
<IfModule mod_headers.c>
    Header set X-UA-Compatible "IE=Edge,chrome=1"
    <FilesMatch "\.(js|css|gif|png|jpe?g|pdf|xml|oga|ogg|m4a|ogv|mp4|m4v|webm|svg|svgz|eot|ttf|otf|woff|ico|webp|appcache|manifest|htc|crx|xpi|safariextz|vcf)$" >
      Header unset X-UA-Compatible
    </FilesMatch>
</IfModule>

# 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>

# Use UTF-8 encoding for anything served text/plain or text/html
AddDefaultCharset utf-8
AddCharset utf-8 .html .css .js