I'm hoping one of you WP gurus can help me out here...
I have a website. Let's call it Jack.com
I'm re-branding Jack as a girl, so I've made another website website - Jill.com
I want all existing links that are spread out over the net to be redirected to the equivalent, sister page eg. Jack.com/article_12 needs to redirect to Jill.com/article12
Also, If the user types in or clicks on "Jack.com/article_12" but they arrive at Jill.com it's going to leave them a bit confused. So I'd like to intercept the forwarding with a nice visual page that says "Thanks for visiting, Jack is now a girl called Jill, you are being forwarded to Jill.com/article12" and then redirect the user onto their destination after 5 seconds or so on that intermediate page.
I'm an experienced developer, but WordPress is a total alien to me and I've never had to do this kind of thing before... Can one of you clever people out there explain how I'd go about doing that ?