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Login to VIA
Go to Website > Redirects (you will require Super User permissions to see the menu link)
Click the Add button in the top left
In the URL field, enter the old page URL. Do not enter the whole page URL, just the part which is relevant to that specific page eg: www.website.com/old-page would be entered as simply old-page (please note, this field is case sensitive, so ensure you are copying exactly the old URL structure, including any capitalisation. Please do not enter the /)
Click the Visible box to make your 301 redirect live. Unticked redirects will simply be saved as a draft
In the New URL field, enter the new page URL. Again, do not enter the whole page URL, just the part which is relevant to that specific page eg: www.website.com/new-page would be entered as new-page (all characters for the new url will be lower case, do not enter the /)
If you want to redirect to the homepage, simply leave the New URL field blank
Click Save & Close
How to setup a 301 redirect for multiples pages in one go
If you want to setup a 301 redirect for multiple pages that all share the same initial URL structure, in the URL field enter the first part of the URL that all the pages share followed by * to redirect all pages following that structure.
eg: If you’re old URL structure for blog articles was www.website.com/news/article/123 and your new structure for blog articles was www.website.com/blog/article/123 entering /news* into the old URL field would give you the ability to redirect all of your old blog articles to a new URL