rules.add(new HintletFrequentLayout(onHintCallback));
rules.add(new HintletLongDuration(onHintCallback));
rules.add(new HintletGwtDetect(onHintCallback));
rules.add(new HintletNotGz(onHintCallback));
rules.add(new HintletTotalBytes(onHintCallback));
rules.add(new HintletStaticNoCookie(onHintCallback));
rules.add(new HintletCacheControl(onHintCallback));
return rules;
}