Global Sensor Networks is an adequate solution for facilitating Wireless Sensor Network management. GSN Web application is a part of the system which enables data queries and visualization for users who require a simple Web interface which exposes all essential functionality of the GSN middleware. A modular design using the AngularJS framework and Bower package management eases the upgrade process. Polishing and detailed documentation of the datapath will prove important in future developments of an improved visualization-based Views. The Web Storage API off offers mechanisms for storing the user's settings into the local memory which speeds up data lookups and improves user experience. Data-based View has been focused on visualization of data, displaying of multiple charts and comparison of various datasets. Robustness of the application has been improved by introducing mechanisms of checking for the presence of all the necessary modules which used to produce bugs in conditions where no Internet connectivity was detected. The maximum amount of data requested has been limited to prevent performance degradation. With the introduction of Web Storage, the Home page widgets might prove useful in future upgrades and have therefore been reintroduced as a custom directive, with accordance to Angular principles