The Web is a hypertextual environment in permanent evolution. There are new technologies and Web publishing behaviors emerging everyday. This study presents trends on the evolution of the Web, derived from the comparison of two characterizations of a web portion performed within a 5 year interval. The Portuguese Web was used as a case study. Several metrics regarding content and site characteristics were analyzed. Categories and Subject Descriptors H.3.5 [Information Storage and Retrieval]: Online Information Services—Web-based services; H.3.7 [Information Storage and Retrieval]: Digital Libraries—Collection; C.2.5 [Computer-communication Networks]: Local and Wide-Area Networks—Internet General Terms Experimentation, Measurement Keywords Web trends, Web characterization, Web measurements