Delhi University Library System

Web resources are significantly different from traditional resources available in libraries and in online databases because Web resources are networked, re-aggregated, heterogeneous, and available in multimedia formats. There is a vast array of digital data formats: text, hypertext, image, sound, video, animation, etc. Information collections are dynamic and beyond physical boundaries. The organizational schemes and access methods across Web resources are also diverse.
It has turned into a biggest source of information with widest coverage and the fastest access.

It is important to know that the information is valid, reliable, authoritative, and pertinent.

When information is filtered -- reviewed, authenticated, and evaluated end users come to trust the source and accept an expert's assessment that it is valid and authoritative.

But when it isn't, end users must assess and evaluate the information themselves.

There are a number of different criteria that may be used in evaluating web-based resources. The important ones are listed below. Under each criterion a number of questions are given. The grater the number of questions answered “yes” the more likely the source is of high quality.