Page speed tools

software for measuing response of headers, HTML, images, etc.

[Namaste]

I'm looking for a tool that can measure the different parts of my page:
- header loading time
- html loading time
- first byte in browser

[BwanaZulia]

Google "Web Page Analyzer", the first one to come up is pretty good.

BZ

[Namaste]

that tool dosen't help me.
Here is my problem:

I have a dynamic website (means it comes from the Dbase). I find that it takes longer to load this page than a static page. I am trying to find a tool that can help me get some trusted values