This document discusses using data mining and k-means cluster analysis to classify search engine optimization (SEO) techniques. It begins with an introduction to SEO and data mining. The paper aims to analyze various SEO techniques used by webmasters and classify them using a data mining approach. Specifically, it uses k-means cluster analysis on SEO techniques to group similar techniques together and identify those with the biggest impact on webpage ranking. The literature review covers past work analyzing SEO techniques and using data mining methods like clustering for search engine optimization.