Web Page Evolution Monitoring: Algorithms, Tools, And Techniques For Detecting Content Changes

In this age of increasing globalization and tough competition, people need to gather knowledge and information for their development in both professional and personal aspects. But the constantly updating data becomes more challenging to manage due to the vast strings of pieces of information that are available. To simplify access, WWW provides a key database resource. It hosts countless web pages, encompassing both static and dynamic content. Content like blog posts, live breaking news, sports scores, and traffic updates falls under dynamic web page, as their information is frequently refreshed. The modifications or changes done could be adding new data, deleting some information, or changing what already exists. Many tools focusing on change detection have been created to track alterations made over time on these web pages. In this paper I review categories along with algorithms and tools used for structured documents that allow tracking relevant changes needed.