An Internal Search Engine allows searching within a site for pages containing certain keywords. Internal SEs are particularly useful on large sites as an alternative to hierarchical menus for site navigation. Many scripts/programs are available to add searching capability to your site.

Internal Search Engine Tips

• It has been estimated that over half of web users are search dominated versus hierarchy links dominate. As your site becomes larger it is important to offer both options.
• All search engine's scripts have different features and capacities. Use one that meets your needs today and will in the future.

Further Reading