The online content screening tool is one of the most significant tools for restricting user access to both hostile and undesired websites. To use them, however, the user must first subscribe. All of the technologies work by extracting and processing web content, which is a time-consuming and challenging operation. The tools employ three different filtering approaches. 1) Use a browser-based filter. 2) Client-side application-based filtering 3) A filter that uses a search engine as a basis.