With web-based technologies, the world is moving and increasing quickly. Through websites and web-based apps, Libraries all across the world are likewise attempting to capitalise on the web's promise. Most academic libraries in India are embracing digitalization and e-services. The primary goal of this study is to assess the current state of important interdisciplinary library websites within the Delhi University Library System (DULS). The additional goals are as follows: I Examine the Uniform Resource Locator (URL) of the major multidisciplinary library websites covered by DULS; (ii) Determine the number of webpages and domain authority of the major multidisciplinary library websites covered by DULS; (iii) Examine the link equity of the key multidisciplinary library websites covered by DULS; (iv) Determine the internal and external link pages of the major multidisciplinary library websites covered by DULS; (v) Determine the online impact factor of the principal DULS interdisciplinary library websites. According to the study, Ratan Tata Library, North Campus has the highest overall Web Impact Factor. It's important to note that Arts Library, North Campus has the lowest External Web Impact Factor (EWIF), Simple Web Impact Factor (SWIF) and Internal Web Impact Factor (IWIF) of any library website. It is advised that the Arts Library and the South Campus Library strengthen their linkages to promote accessibility, and that networking across university library websites be fostered.