How to split the site into 2 parts?

The site is just divided into 2 parts, with a specific set of pages "on the left" should appear on a page "right" ( that is, for example 3 page left 1 tied to the state of the page right) while the right part is completely on ajax and is created depending on user actions, how to pass/transfer it to a new page "on the left"? (page left have a different address) to pass through a session, all requests made by the foci and values? (there are many) it slows down page load time. Need advice
June 14th 19 at 20:02
1 answer
June 14th 19 at 20:05
Frames tie, for example. Or do it all in SPA.
I forgot about the frames. And they will not be problems with the determination of the relevance of the pages from search engines? as far as I know it is a problem of framed sites. - Elton.Zboncak commented on June 14th 19 at 20:08
Probably this means that ajax in the frame, he hardly will find. Probably leave as is, through session - Elton.Zboncak commented on June 14th 19 at 20:11

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