Remember to evaluate your search results. Bookmark highly relevant sites. Never provide personal information online. Check your spelling. Search engines retrieve only freely-accessible Internet resources, not subscription periodical articles and indexes.
Boolean logic helps refine searches.
If there are 7 documents, but only 3 refer to BOTH dogs and cats, your search will return these 3 items. Yahoo Hierarchical subject organization good for browsing. No space between symbol and word. Use quotes for words that must appear together. When no matching Yahoo Categories or Sites found, Yahoo automatically performs an AltaVista search.