Design of homepage, blog posts, service pages, overall site branding.
Technical issues like thin pages & indexability that will prevent/limit organic growth.
The platform that the site is build on. (Squarespace,wix,wordpress,etc)
Domain age, website’s authority, website’s profile.
The type of site (service-based/local/international/affiliate/publishing/saas/etc).
Organic market potential of market/niche.