Recommended way to embed PDF in HTML?

Question

What is the recommended way to embed PDF in HTML?

• iFrame?
• Object?
• Embed?

What does Adobe say itself about it?

In my

Answer 1

You can also use Google PDF viewer for this purpose. As far as I know it's not an official Google feature (am I wrong on this?), but it works for me very nicely and smoothly. You need to upload your PDF somewhere before and just use its URL:

What is important is that it doesn't need a Flash player, it uses JavaScript.