The exponential growth of the Web probes for new, better filtering systems and latency diminishing applications. We are presenting the caching features that are deployed in the client-side application that is developed within the scope of PeRSSonal, the generalized, multi-functional mechanism that delivers personalized, summarized and categorized news articles. We also evaluate the caching algorithm depicting the overall improvement that it offers to the client side desktop application. KEYWORDS News Channels, Client-Side caching, Data Preprocessing, News Personalization.