To understand more about the way search works, and to gain an idea into how it could work in the future, it may be useful to talk about what we would do if search was not available the compare it to a keyword based search engine. So, if the Internet did not exist - what would [...]

Discussing Ranking methods used by Search Engines and how they relate to Keyword searching.

No doubt keywords and tags play an important part in the modern web. But what is a keyword and what is  a tag and what is the difference between them. My explanation would be this:

A keyword is a common word used within a web page
A tag describes a conceptual idea about a web page

As an example, [...]