1) I remember I've made several really useful suggestions (without any negative-side) to your sites, but they have never been implemented (needed only about 10 mins from your programmer, in contrary those suggestion could save hundreds of people several seconds a day).
2) another suggestion. in google, your website is flooded with many different prefixes, causing the confusion to user and making him to loose more time to find out which topic is right for him, see this:
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