KPIs for SEO: measuring SEO success - Search Engine Land | The MarTech Digest | Scoop.it
This is not a template as such and will need to be customized around the specific job and goals of your clients, but this should get you 90 percent of the way toward far improved SEO KPIs and reporting.

SEO metrics 

Real-world SEO KPIs

Referral traffic 

Brand impact

Link-building KPIs

Lead generation KPIs

Business objective-specific KPIs