Thanks for getting back to me.
So if I use Yoast then would it guide me through how to construct the site map on a step by step basis?
Also, for my trophies.org site I have used ‘All In One SEO’ and fully done all the pages for with SEO terms etc. I have also submitted a site map through ‘All In One’. If for trophies4u.org I delete the All In One plugin and start again with Yoast, would this delete all the SEO terms I’ve put in with the All In One plugin?
For my imagees.co.uk site I’ll just start the SEO with Yoast.