SEO for content inside canvas element

Question

I recently fount this project https://github.com/flipboard/react-canvas which uses canvas to render the whole page on mobile. The result is astonishing and performs really well. By the way, from what I know, content inside canvas elements is not seen by search engines. What is the correct way to index this content?

Answer 1

Traditionally (with Flash/Silverlight sites) it has has been done by feeding search engines with alternative content that displays indexable text. I'm sure you can do the same with the canvas element. The easiest approach being:

<canvas>This is what search engines actually see</canvas>