Internet users have increased with increase in technology. People use internet for their business need, education, online marketing, social communication and more. For this purpose, users are forced to use the internet for their day-to-day operation effectiveness. But content in the web is also increased due to various factors. Any user from any place can upload any type of file easily, and all the contents today are available in the form of digital data. From this huge repertoire browsing, the correct web page is a really challenging task to the user. Retrieving the effective and correct content is not an easy job, for which a number of research works have been performed in the field of web extraction. This paper reviews some of the web extraction techniques and methods.