How can I conditionally hide dynamic web content from read-later services (ie Instapaper, Pocket)?

Question

I'm building a single-page website that contains a javascript "calculator" that let's users input custom values and see an output immediately.

I don't expect this to work if my page is scraped by a service like instapaper for users to read later from a kindle (for example).

Is there a way for me to show a conditional message for these users (like "visit example.com for the full calculator") or to hide this section entirely?

Answer 1

Opting Out

Most read later services offer ways of blocking your site from their read later functions. Here are the links for the most common ones:

• Instapaper: http://www.instapaper.com/publishers
• Readability: http://help.readability.com/customer/...
• Pocket: http://help.getpocket.com/customer/port... (couldn't find the specific page, so this is just the "contact us" page)

Specifying content to be displayed

• Pocket: No specific guidelines.
• Instapaper: They use the Open Graph Protocol (doesn't really tell you how to remove content though)
• Readability: Article Publishing Guidelines (very easy to understand)