The free version is for general asp website, as for candypress store users, it is about $29.99 it can be dynamically change the title, description, keywords. If you are an experienced asp developer, you shall be able to make this free mod into any kinds of asp websites.
Advantage
1. Provide user an easy backend to update their meta tag and header tag directly online without hassles.
Easy to optimize for the searching engine.
2. Easy to generate additional meta tag and also put your javascript within the header easily.
3. Easy to manage your content within <head></head>
