Not yet. Your best option is to use "Search This Site" within Marketpath CMS.
The theme determines if the Attribution field is shown to website visitors. Speak with the developer of your website, if you'd like it to appear.
For search engine optimization (SEO), yes. However, the developer of the theme can auto-create the URL for the tag. Marketpath themes automatically do this for you.
Contact Marketpath! Our support portal is the best way to contact us, but you can also call us at 1-800-657-7786.