SEO-Rx, Your RapidWeaver SEO prescription

[Jerome (Jeroen Born)]

Do you need to install the SEO-Rx stack on every page on your project?
Also posted this q in:

SEO-Rx raises issues with themes and stacks

Do you need to install the SEO-Rx stack on every page of your project? I am still on RW6 and do not see immediately urgency to upgrade to RW7 ($59).