What is the best local SEO factor?

Top 50 Localized Organic Factors
1 Domain Authority of Website
2 Quality/Authority of Inbound Links to Domain
3 City,State in GMB Landing Page Title
4 Click-Through Rate from Search Results
5 Topical (Product/Service) Keyword Relevance of Domain Content
6 Diversity of Inbound Links to Domain
7 Geographic (City/Neighborhood) Keyword Relevance of Domain Content
8 Physical Address in City of Search
9 Quality/Authority of Structured Citations
10 City, State in Most/All Website Title Tags
11 Consistency of Structured Citations
12 Quality/Authority of Inbound Links to GMB Landing Page URL
13 Product/Service Keyword in GMB Landing Page Title
14 Product/Service Keywords in Anchor Text of Inbound Links to Domain
15 Proximity of Address to the Point of Search (Searcher-Business Distance)
16 Quantity of Inbound Links to Domain
17 Quantity of Inbound Links to Domain from Locally-Relevant Domains
18 Geographic Keyword in Domain
19 Location Keywords in Anchor Text of Inbound Links to Domain
20 Page Authority of GMB Landing Page URL
21 City, State in GMB Landing Page H1/H2 Tags
22 HTML NAP Matching GMB Location NAP
23 Quantity of Inbound Links to Domain from Industry-Relevant Domains
24 Product / Service Keyword in Domain
25 NAP in hCard / Home - schema.org on GMB Landing Page URL
26 Quality/Authority of Unstructured Citations (Newspaper Articles, Blog Posts)
27 Quantity of Inbound Links to GMB Landing Page URL from Locally-Relevant Domains
28 Quantity of Citations from Locally-Relevant Domains
29 Business Title in Anchor Text of Inbound Links to Domain
30 Volume of Searches for Business Name
31 Quantity of Citations from Industry-Relevant Domains
32 Loadtime of GMB Landing Page URL
33 Location Keywords in Anchor Text of Inbound Links to GMB Landing Page URL
34 Proper GMB Category Associations
35 Product/Service Keyword in GMB Landing Page H1/H2 Tags
36 Proximity of Address to Centroid
37 Diversity of Inbound Links to GMB Landing Page URL
38 Velocity of New Inbound Links to Domain
39 Product/Service Keywords in Anchor Text of Inbound Links to GMB Landing Page URL
40 City, State in Most/All GMB Landing Page H1/H2 Tags
41 Quantity of Inbound Links to GMB Landing Page URL
42 Authority of third-party sites on which reviews are present
43 Individually Owner-verified GMB Location
44 Quantity of Structured Citations (IYPs, Data Aggregators)
45 Age of GMB Location
46 Diversity of third-party sites on which reviews are present
47 High Numerical Ratings by Authority Reviewers (e.g.Yelp Elite, Google Local Guides, etc)
48 Velocity of Searches for Business Name
49 Bulk Owner-verified GMB Location
50 High Numerical Ratings of Business by Google Users