Google uses over 200 ranking factors in the algorithm , let’s move on directly to the list
1. Domain Age
2. Keyword Appears in Top Level Domain
3. Keyword As First Word in Domain:
4. Domain registration length
5. Keyword in Subdomain
6. Domain History
7. Exact Match Domain
8. Public vs. Private WhoIs
9. Penalized WhoIs Owner
10. Country TLD extension
11. Keyword in Title Tag:
12. Title Tag Starts with Keyword:
13. Keyword in Description Tag
14. Keyword Appears in H1 Tag
15. TF-IDF
16. Content Length
17. Table of Contents
18. Keyword Density
19. Latent Semantic Indexing Keywords in Content (LSI)
20. LSI Keywords in Title and Description Tags
21. Page Covers Topic In-Depth
22. Page Loading Speed via HTML
23. Page Loading Speed via Chrome
24. Use of AMP
25. Entity Match
26. Google Hummingbird
27. Duplicate Content
28. Rel=Canonical
29. Image Optimization
30. Content Recency
31. Magnitude of Content Updates
32. Historical Page Updates
33. Keyword Prominence
34. Keyword in H2, H3 Tags
35. Outbound Link Quality
36. Outbound Link Theme
37. Grammar and Spelling
38. Syndicated Content
39. Mobile-Friendly Update
40. Mobile Usability
41. “Hidden” Content on Mobile
42. Helpful “Supplementary Content”:
43. Content Hidden Behind Tabs
44. Number of Outbound Links:
45. Multimedia
46. Number of Internal Links Pointing to Page
47. Quality of Internal Links Pointing to Page
48. Broken Links
49. Reading Level
50. Affiliate Links
51. HTML errors/W3C validation
52. Domain Authority
53. Page’s PageRank
54. URL Length
55. URL Path
56. Human Editors
57. Page Category
58. WordPress Tags
59. Keyword in URL64.
60. URL String
61. References and Sources
62. Bullets and Numbered Lists
63. Priority of Page in Sitemap
64. Too Many Outbound Links
65. UX Signals From Other Keywords Page Ranks For
66. Page Age
68. Parked Domains
69. Useful Content
70. Content Provides Value and Unique Insights
71. Contact Us Page
72. Domain Trust/Trust rank
73. Site Architecture
74. Site Updates
75. Presence of Sitemap
75. Presence of Sitemap 75.
76. Site Up time
77. Server Location
78. SSL Certificate
79. Terms of Service and Privacy Pages
80. Duplicate Meta Information On-Site
81. Breadcrumb Navigation
82. Mobile Optimized
83. YouTube
86. User reviews/Site reputation
87. Linking Domain Age
88. # of Linking Root Domains
89. # of Links from Separate C-Class ips
90. # of Linking Pages94.
91. Back link Anchor Text
92. Alt Tag (for Image Links)
93. Links from .edu or .gov Domains
94. Authority of Linking Page
95. Authority of Linking Domain
96. Links From Competitors
97. Links from “Expected” Websites
98. Links from Bad Neighborhoods
99. Guest Posts
100. Links From Ads
101. Homepage Authority
102. Nofollow Links
103. Diversity of Link Types
104. “Sponsored” or “UGC” Tags
105. Contextual Links
106. Excessive 301 Redirects to Page
107. Internal Link Anchor Text
108. Link Title Attribution
109. Country TLD of Referring Domain
110. Link Location In Content
111. Link Location on Page
112. Linking Domain Relevancy
113. Page-Level Relevancy
114. Keyword in Title
115. Positive Link Velocity
116. Negative Link Velocity
117. Links from “Hub” Pages
118. Link from Authority Sites
119. Linked to as Wikipedia Source
120. Co-Occurrences12
121. Backlink Age122.
122. Links from Real Sites vs. “Splogs123.
123. Natural Link Profile
124. Reciprocal Links125.
125. User Generated Content Links126.
126. Links from 301
127. Schema.org Usage
128. TrustRank of Linking Site
129. Number of Outbound Links on Page
130. Forum Links
131. Word Count of Linking Content
132. Quality of Linking Content
133. Sitewide Links
134. Rank Brain
135. Organic Click Through Rate for a Keyword136.
137. Bounce Rate141.
138. Direct Traffic
139. Repeat Traffic
140. Pogosticking
141. Blocked Sites
142. Chrome Bookmarks
143. Number of Comments
144. Dwell Time
145. Query Deserves Freshness
146. Query Deserves Diversity
147. User Browsing History
148. User Search History148.
149. Featured Snippets
150. Geo Targeting
151. Safe Search
152. Google+ Circles
153. “YMYL” Keywords154.
154. DMCA Complaints
155. Domain Diversity
156. Transactional Searches
157. Local Searches
158. Top Stories box
159. Big Brand Preference
160. Shopping Results
161. Image Results
162. Easter Egg Results
163. Single Site Results for Brands
164. Payday Loans Update
165. Brand Name Anchor Text
166. Branded Searches
167. Brand + Keyword Searches
168. Site Has Facebook Page and Likes
169. Site has Twitter Profile with Followers
170. Official Linkedin Company Page:
171. Known Authorship
172. Legitimacy of Social Media Accounts
173. Brand Mentions on Top Stories174.
174. Unlinked Brand Mentions
175. Brick and Mortar Location
176. Panda Penalty
177. Links to Bad Neighborhood
178. Redirects 179.
179. Popups or “Distracting Ads”
180. Interstitial Popups
181. Site Over-Optimization
182. Gibberish Content
183. Doorway Pages
184. Ads Above the Fold
185. Hiding Affiliate Links
186. Fred
187. Affiliate Sites
188. Auto -generated Content
189. Excess Page Rank Sculpting
190. IP Address Flagged as Spam
191. Meta Tag Spamming
192. Hacked Site
193. Unnatural Influx of Links
194. Penguin Penalty
195. Link Profile with High % of Low Quality Links
196. Links From Unrelated Websites
197. Unnatural Links Warning
198. Low-Quality Directory Links
199. Widget Links:
200. Links from the Same Class C IP