Decide the best way to retrieve the information by selecting the appropriate software tools and techniques needed. The various resources and networks may cover different types of information and handle it differently. Usenet newsgroups, Mailing Lists, and many listings on the World Wide Web change frequently. Tips for Using the Web Sites are created so frequently and information changes so quickly that there is no way we can include everything in this handout. Keep looking, be creative in your searches, and try a lot of different search engines.
Web sites have a tendency to move.
They become popular and the local administrator or owner is forced to move the pages or the whole site to a new server to accommodate the traffic. Watch for warnings of sites moving. Web sites get overloaded just like everything else. Try again or try at an odd time, like 6 a.m., or late at night. Sites go stale when they are not updated frequently.