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Google’s 200 Ranking Factors: The Complete List (2018)

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: keyword appears in subdomain
6. Domain History:

7. Exact Match Domain:

Google EMD update
8. Public vs. Private WhoIs:

9. Penalized WhoIs Owner:

10. Country TLD extension:

Page-Level Factors

11. Keyword in Title Tag:

12. Title Tag Starts with Keyword:

13. Keyword in Description Tag:

14. Keyword Appears in H1 Tag: H1 tags are a “second title 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 URL:

60. URL String:
61. References and Sources:

62. Bullets and Numbered Lists:

63. Priority of Page in Sitemap:

64. Too Many Outbound Links

65. Quantity of Other Keywords Page Ranks For:

66. Page Age:

67. User Friendly Layout:

68. Parked Domains:

69. Useful Content:

Site-Level Factors

70. Content Provides Value and Unique Insights:

71. Contact Us Page:

72. Domain Trust/TrustRank:

73. Site Architecture:

74. Site Updates: algorithm

75. Presence of Sitemap:

76. Site Uptime:

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:

84. Site Usability:

85. Use of Google Analytics and Google Search Console:

86. User reviews/Site reputation:

Backlink Factors

87. Linking Domain Age:

88. # of Linking Root Domains:
89. # of Links from Separate C-Class IPs:

90. # of Linking Pages: The total number of linking pages

91. Backlink Anchor Text:

92. Alt Tag (for Image Links): Alt text acts as anchor text for images.

93. Links from .edu or .gov Domains: s.

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 Links” Or Other Words Around Link:

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:

link velocity
116. Negative Link Velocity:

117. Links from “Hub” Pages:

118. Link from Authority Sites:

119. Linked to as Wikipedia Source:

120. Co-Occurrences:
121. Backlink Age:

122. Links from Real Sites vs. “Splogs”:

123. Natural Link Profile:

124. Reciprocal Links:

125. User Generated Content Links:

126. Links from 301:

127. Schema.org Usage:

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:

User Interaction
User interactions
134. RankBrain:

135. Organic Click Through Rate for a Keyword:

Interpreting live experiments
136. Organic CTR for All Keywords:

137. Bounce Rate:
138. Direct Traffic:

139. Repeat Traffic:

140. Pogosticking:

141. Blocked Sites:

142. Chrome Bookmarks:

143. Number of Comments: .

Community Through Comments Help A Lot With Ranking
144. Dwell Time:

Special Google Algorithm Rules
Special Google algorithm rules
145. Query Deserves Freshness:

146. Query Deserves Diversity:

147. User Browsing History:

148. User Search History:

149. Featured Snippets:

150. Geo Targeting:

151. Safe Search:

152. Google+ Circles: .

153. “YMYL” Keywords:

154. DMCA Complaints:

155. Domain Diversity: .

156. Transactional Searches:

Transactional searches
157. Local Searches:

Local searches
158. Top Stories box: Certain keywords trigger a Top Stories box:

Top stories
159. Big Brand Preference:

160. Shopping Results:

Shopping results
161. Image Results:

162. Easter Egg Results:

163. Single Site Results for Brands:

164. Payday Loans Update:

Brand Signals
Brand signals
165. Brand Name Anchor Text:

Contextual links
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 Stories:

Brands mentions site
174. Unlinked Brand Mentions:

175. Brick and Mortar Location:

On-Site Webspam Factors

176. Panda Penalty:

177. Links to Bad Neighborhoods: Linking out to “bad neighborhoods” —

178. Redirects: Sneaky redirects

179. Popups or “Distracting Ads”:

180. Interstitial Popups:

Interstitials
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. Autogenerated Content:

189. Excess PageRank Sculpting:

190. IP Address Flagged as Spam:

191. Meta Tag Spamming:

Off-Site Webspam Factors

192. Unnatural Influx of Links:

193. Penguin Penalty:

194. Link Profile with High % of Low Quality Links:

195. Links From Unrelated Websites:

196. Unnatural Links Warning:

197. Low-Quality Directory Links:

198. Widget Links:

199. Links from the Same Class C IP:

200. “Poison” Anchor Text:

201. Unnatural Link Spike:

202. Links From Articles and Press Releases:

203. Manual Actions:

204. Selling Links:

205. Google Sandbox:

206. Google Dance:

207. Disavow Tool:

208. Reconsideration Request:

209. Temporary Link Schemes: