Keyword analysis in PHP

Question

For a web application I\'m building I need to analyze a website, retrieve and rank it\'s most important keywords and display those.

Getting all words, their density and

Answer 1

I'd recommend instead of re-inventing the wheel, you use Apache SoIr for search and analysis. It has almost everything you might need, including stop-word detection for 30+ languages [as far as I can remember, might be even more] and do tons of stuff with data stored in it.