can search engine read jquery action

I want to have a popup div with iframe content.

Can search engines read this when I'm using jquery to create it?

Alternatively, is there a way to detect a search engine on the server side and remove the option of this popup?

Answers:

Answer

The best way would be to degrade gracefully, e.g. by using a standard

<a id='mylink' href='xyz.html'>

link that points to the resource that is opened in the popup. You would then add the JQuery code to the link, causing it to open in the pop-up.

That way, even users that do not have JavaScript turned on can access your popup.

Most Lightbox clones like Thickbox work that way.

Answer

Generally speaking, search engines do not execute JavaScript, so there's no way for them to index anything contained in a popup div.

You can, however, inspect User-Agent header to see if the page is requested by web spider, but this is something that's not considered best practice.

Answer

Search engines do not play well with javascript but you can see how google bot would fetch your page using Google's webmaster tools.

Rendering a different page to bots is not considered a best practice too. The best you can do is graceful degradation.

Answer

Just to say it at once: DON'T use the iframe, as it is bad-ass technology and search engines won't index the iframe'd page.

First question:

No, it cannot, if the data are loaded simultaneously with the popup "popping up" (as search engines, as said already, generally doesn't execute javascript). If the data are already loaded, and the popup div are somehow hidden at page load, the search engine will index the content.

Second question:

Don't do that. That's called cloaking, and will be punished by search engines if detected - they don't like content customized just for them, and then you're back at scratch.

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