The study assessed web resources and utilization of electronic materials in Nigerian university libraries. Libraries are nowadays using web environment to provide high quality information for their users mostly in digital format The internet and web technologies has created a new and unprecedented environment to universities libraries, businesses, educational institutions, and individuals enabling them to webcast any information using multimedia tools. The frequent use of electronic materials in libraries can change the library system to be more effective. The Nigerian university libraries have adopted in using the most recent available technologies for information collection and preservation and have adopted web sites in this era of technology boom. The study concluded that there is significant influence of website, online databases and search engines on utilization of electronic materials and it can also encourage students to utilize the library and the various electronic materials. The educational implication is that government and educational stake-holders will now see the need of providing various electronic materials and web resources in university libraries. One of the recommendations made was that in other for the use of electronic information resources to be effective, there is a strong need of creating awareness to the potential library users through acquisition and setting up of websites in the library.