This site provides free search engines for webpages. You don't have to know any Javascript at all. Atomz - Add a few lines of HTML to your site, and your visitors will be able to quickly find what they are looking for. You control the look and feel, and also the results. Insightful search reports rank and graph what words and phrases your visitors are searching for by day, week and month.
Indexing is weekly or on demand.
No advertising on your site. FreeFind - Add search capabilities to your page, without CGI or server modifications. Just sign up and they will mail you the HTML code which you paste into your page and its ready to search. And you can customize the search screens with your own background and logo. PicoSearch - Free service that creates a search engine over the internet for each individual web site.