How does one manually create an in-site search engine (without using Google's site search engine or the like)? Is it very difficult and time consuming?
You could create a database and list your content in it then create a search query. It would be very difficult and time consuming if you did not know what you were doing.
I would suggest you do a search for adding search to your web site, there are pleny out there.
in addition to gary's hint: there really are a great number of possibilities. Some of them you could find by using the search function here in this forum.
Very good are the opportunities that Nancy O. offers on her website, as its shown here:
German, but very easy, effective and easily to adapt:
A small note in the end: Using the search function of your website, visitors will be able to find every page or information you loaded to your server. Maybe this is not always desirable (website under construction or something like that).Hans-G.
If your site is dynamically populated with content from server-side databases, it's not hard.
If your site is static, a 3rd party search function might be a better choice until you're ready to build a dynamic site.
Zoom search engine
Setting up a PHP environment in Dreamweaver
Building your first dynamic website – Part 1: Setting up your site and database connection