@font-face rendering order http://marshallford.me/articles/font-face-rendering

default.css

@font-face {
  font-family: 'PermanentMarkerRegular';
  src: url('PermanentMarker-webfont.eot');
  src: url('PermanentMarker-webfont.eot?#iefix') format('embedded-opentype'),
       url('PermanentMarker-webfont.woff') format('woff'),
       url('PermanentMarker-webfont.ttf') format('truetype'),
       url('PermanentMarker-webfont.svg#PermanentMarkerRegular') format('svg');
  font-weight: normal;
  font-style: normal;
}

smoother.css

@font-face {
  font-family: 'PermanentMarkerRegular';
  src: url('PermanentMarker-webfont.eot');
  src: url('PermanentMarker-webfont.eot?#iefix') format('eot'),
  url('PermanentMarker-webfont.svg') format('svg'),
  url('PermanentMarker-webfont.woff') format('woff'),
  url('PermanentMarker-webfont.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}