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Thanks Ruben for your response,

The new pages it appears have been indexed, I've just done this check. I've also linked the homepage to the new webpages, this should at least spread link juice from the homepage to these other pages... is that correct to assume?

Currently I have a site where the targeted keywords were on the home page, with links built to the homepage. It has been widely recognised though that Google is looking more and more for specific content on webpages that holds greater relevance to search queries. As such, I switched this targeted page to other created webpages - changing metatags and creating more relevant content for respective keywords.

I thought this would improve rankings, however, upon doing this there was a sharp fall in rankings for keywords.

Is there anything that I could have done wrong, or can do better so that keywords move back up the rankings?