It is observed that text mining on web is an essential step in research and application of data mining. The authors are mainly using information retrieval, search engine and some outliers detection techniques to look up the efficient and desired web information. But, IR focuses on searching for information that is explicitly present but not latent knowledge in some document. The search engine can hardly according to different need of different customers and provide individual service, and it is very difficult to mine data further. Outliers can find out the deviation on the interestingness.