200 Top SEO Ranking Factors September 2026

TOP SEO Factors for 2026-09 previous

Top SEO Factor data is updated daily for latest "month to date" measurements.

	Name	Correlation	#1 Max	Page 1 Avg	Usage %	Searches %
1	Number of Includes Technology	-0.37	34	20	50 %	71 %
2	Number of CSS Includes Technology	-0.33	12	8	46 %	71 %
3	Load Time Milliseconds Performance	-0.33	14445	5141	71 %	86 %
4	Search Result Domain is .com, .net, or .org Other	-0.32	1	1	8 %	71 %
5	Number of Facebook Pages Authority	-0.3	4	2	41 %	86 %
6	Number of Instagram Pages Authority	-0.28	2	2	28 %	71 %
7	Has JSON-LD Schema Markup Relevancy	-0.28	1	1	42 %	86 %
8	Exact Matches in Title Tag Relevancy	-0.27	1	1	24 %	29 %
9	Search Result Domain is .com Other	-0.26	1	1	8 %	86 %
10	Number of LinkedIn Pages Authority	-0.25	2	1	28 %	86 %
11	Search Result Number of Dirs in Path Other	-0.25	3	2	66 %	86 %
12	Uses JSON-LD reviewBody Other	-0.25	1	1	8 %	29 %
13	Page Size Kilobytes Size	-0.24	479	284	66 %	57 %
14	Number of Twitter Accounts Authority	-0.24	1	1	15 %	71 %
15	Variations in Style Tags Relevancy	-0.24	23	8	12 %	86 %
16	Uses Microdata AggregateRating Other	-0.23	1	1	3 %	14 %
17	Variations making whole H3 Tags Relevancy	-0.23	1	1	8 %	29 %
18	Has Meta Robots Other	-0.22	1	1	22 %	57 %
19	Uses JSON-LD query Other	-0.22	1	1	1 %	14 %
20	Uses Microdata articleBody Other	-0.22	1	1	1 %	14 %
21	Uses Microdata copyrightHolder Other	-0.22	1	1	1 %	14 %
22	Uses Microdata copyrightYear Other	-0.22	1	1	1 %	14 %
23	Uses Microdata jobTitle Other	-0.22	1	1	1 %	14 %
24	Uses Microdata mainEntityOfPage Other	-0.22	1	1	1 %	14 %
25	Uses Microdata publisher Other	-0.22	1	1	1 %	14 %
26	Uses Schema copyrightholder Other	-0.22	1	1	1 %	14 %
27	Uses Schema copyrightyear Other	-0.22	1	1	1 %	14 %
28	Uses Schema query Other	-0.22	1	1	1 %	14 %
29	Search Result Uses HTTPS Other	-0.22	1	1	63 %	57 %
30	Number of Backlinks Authority	-0.22	18457	4562	39 %	86 %
31	Variations in Search Result URL Path Relevancy	-0.21	3	2	51 %	57 %
32	Number of H1 Tags Size	-0.21	2	1	57 %	71 %
33	Number of Facebook Accounts Authority	-0.21	2	1	22 %	86 %
34	Exact Matches in Meta Description Relevancy	-0.21	1	1	8 %	29 %
35	Variations in ALT Attributes Relevancy	-0.21	12	10	47 %	57 %
36	Variations in Div Tags Relevancy	-0.21	286	199	64 %	71 %
37	Number of Images Size	-0.21	47	30	66 %	86 %
38	Number of Unique LSI Words Used Diversity	-0.21	781	505	77 %	71 %
39	Has Copyright Trust	-0.2	1	1	52 %	43 %
40	Variations in Search Result Document File Name Relevancy	-0.2	3	2	52 %	71 %
41	Number of Heading Tags Size	-0.2	39	25	64 %	71 %
42	Number of HTML Tags Size	-0.2	2216	1141	71 %	86 %
43	Word Count Size	-0.2	3067	1868	71 %	86 %
44	Number of Referring Domains Authority	-0.2	393	93	39 %	86 %
45	Uses Schema itemlistorder Other	-0.2	1	1	1 %	14 %
46	Unabridged Word Count Size	-0.2	3629	2259	71 %	86 %
47	Number of JavaScript Includes Technology	-0.2	23	17	66 %	71 %
48	Entities in H1 Tags	-0.2	4	2	47 %	86 %
49	Percentage of DoFollow Internal Links Authority	-0.2	87	71	67 %	86 %
50	Variations in Body Tags Relevancy	-0.2	593	406	67 %	71 %
51	Variations in HTML Tags Relevancy	-0.2	593	406	67 %	71 %
52	Number of Questions Size	-0.2	19	13	63 %	71 %
53	Inline JavaScript Kilobytes Size	-0.2	108	79	65 %	57 %
54	Uses Microdata LocalBusiness Other	-0.2	1	1	2 %	29 %
55	Number of Questions In H3 Tags Size	-0.2	3	2	24 %	57 %
56	Number of Social Accounts Authority	-0.19	3	2	36 %	71 %
57	Variations in Span Tags Relevancy	-0.19	22	16	54 %	71 %
58	Uses JSON-LD duration Other	-0.19	1	1	2 %	43 %
59	Variations in Class Attributes Relevancy	-0.19	28	11	24 %	100 %
60	Variations in A Tags Relevancy	-0.19	71	42	61 %	86 %
61	Clean Text Kilobytes Size	-0.19	25	15	65 %	86 %
62	Number of Sentences Size	-0.19	244	162	71 %	86 %
63	Number of Questions In Headings Size	-0.19	4	3	43 %	71 %
64	Number of H4 Tags Size	-0.19	7	4	28 %	57 %
65	Variations in A Tag HREF Attributes Relevancy	-0.19	123	80	59 %	71 %
66	Uses Microdata dateModified Other	-0.19	1	1	1 %	29 %
67	Uses Schema articlebody Other	-0.19	1	1	1 %	29 %
68	Number of Images without ALT Text Size	-0.18	12	8	48 %	86 %
69	Search Result Domain Length Size	-0.18	22	17	71 %	86 %
70	Search Result Host Length Size	-0.18	22	17	71 %	86 %
71	Term Frequency Relevancy	-0.18	4	3	69 %	86 %
72	Number of Prices Size	-0.18	447	195	62 %	86 %
73	Uses JSON-LD http://schema.org/WatchAction Other	-0.18	1	1	1 %	14 %
74	Uses JSON-LD InteractionCounter Other	-0.18	1	1	1 %	14 %
75	Uses Microdata ratingCount Other	-0.18	1	1	1 %	14 %
76	Uses Microdata sameAs Other	-0.18	1	1	1 %	14 %
77	Uses Schema http://schema.org/watchaction Other	-0.18	1	1	1 %	14 %
78	Uses Schema publisher Other	-0.18	1	1	1 %	29 %
79	Variations in Distinct A Tag HREF Attributes Relevancy	-0.18	80	48	59 %	71 %
80	Exact Matches in Top 30KB Relevancy	-0.18	2	2	23 %	29 %
81	Uses Schema article Other	-0.18	1	1	7 %	43 %
82	Uses Schema reviewbody Other	-0.18	1	1	9 %	43 %
83	Percentage of DoFollow Links Authority	-0.18	98	83	69 %	100 %
84	Number of No Follow Backlinks Authority	-0.18	1084	235	27 %	86 %
85	Uses Schema url Other	-0.18	1	1	66 %	57 %
86	Number of Do Follow Backlinks Authority	-0.18	18174	3710	33 %	100 %
87	Average Words Per Sentence Size	-0.18	27	22	65 %	86 %
88	Has US Phone Number Trust	-0.18	1	1	59 %	86 %
89	Number of Images with ALT Text Size	-0.18	36	23	63 %	86 %
90	Uses JSON-LD description Other	-0.18	1	1	58 %	57 %
91	Headings Has Question Other	-0.18	1	1	43 %	86 %
92	Variations making whole A Tags Relevancy	-0.17	2	2	34 %	86 %
93	Has Meta Description Relevancy	-0.17	1	1	53 %	43 %
94	Exact Matches in H3 Tags Relevancy	-0.17	1	1	9 %	57 %
95	Has XMLRPC Technology	-0.17	1	1	32 %	57 %
96	Number of Social Pages Authority	-0.17	7	5	54 %	71 %
97	Uses JSON-LD address Other	-0.17	1	1	1 %	14 %
98	Uses JSON-LD ContactPage Other	-0.17	1	1	1 %	14 %
99	Uses JSON-LD dateCreated Other	-0.17	1	1	2 %	14 %
100	Uses JSON-LD GeoCircle Other	-0.17	1	1	2 %	29 %
101	Uses JSON-LD hoursAvailable Other	-0.17	1	1	1 %	14 %
102	LSI Words in H1 Tags Relevancy	-0.17	8	5	57 %	86 %
103	Uses Microdata reviewBody Other	-0.17	1	1	1 %	14 %
104	Uses Microdata url Other	-0.17	1	1	7 %	43 %
105	Uses Schema contactpage Other	-0.17	1	1	1 %	14 %
106	Uses Schema datecreated Other	-0.17	1	1	2 %	14 %
107	Uses Schema geocircle Other	-0.17	1	1	2 %	29 %
108	Uses Schema hoursavailable Other	-0.17	1	1	1 %	14 %
109	Number of HTTPS Links Authority	-0.17	335	158	68 %	86 %
110	Number of Links Authority	-0.17	336	158	68 %	86 %
111	Number of Top 200 Shared Factors Used Diversity	-0.17	48	35	69 %	86 %
112	Variations in ID Attributes Relevancy	-0.17	7	3	19 %	71 %
113	Number of H3 Tags Size	-0.17	18	11	55 %	71 %
114	Number of DoFollow Links Authority	-0.17	333	156	68 %	86 %
115	Number of Internal Links Authority	-0.17	312	142	67 %	86 %
116	Variations in Main Tags Relevancy	-0.17	207	96	35 %	86 %
117	Has Google Analytics Technology	-0.17	1	1	2 %	86 %
118	Uses Schema identifier Other	-0.17	1	1	3 %	29 %
119	Number of Meta Generator Tags Technology	-0.16	1	1	32 %	43 %
120	Number of Top 50 Shared Factors Used Diversity	-0.16	15	11	69 %	86 %
121	Has Schema Markup Relevancy	-0.16	1	1	62 %	86 %
122	Variations in LI Tags Relevancy	-0.16	69	40	61 %	86 %
123	Number of Top 100 Shared Factors Used Diversity	-0.16	36	26	69 %	86 %
124	Variations in Summary Tags Relevancy	-0.16	4	2	6 %	57 %
125	Has Contact Page Trust	-0.16	1	1	56 %	71 %
126	Number of Absolute URLs Authority	-0.16	523	287	68 %	71 %
127	Percentage of NoFollow Internal Links Authority	-0.16	2	1	6 %	71 %
128	Variations in Aside Tags Relevancy	-0.16	17	8	13 %	71 %
129	Variations in Nav Tags Relevancy	-0.16	86	60	49 %	71 %
130	Uses Schema image Other	-0.16	1	1	30 %	71 %
131	Flesch Kincaid Reading Grade Level Other	-0.16	5	2	80 %	86 %
132	Has Meta Viewport Technology	-0.16	1	1	70 %	86 %
133	Number of Unique Variations Used Diversity	-0.16	25	16	70 %	86 %
134	Number of US Phone Numbers Trust	-0.16	47	17	59 %	100 %
135	Variations in B Tags Relevancy	-0.16	7	3	10 %	71 %
136	Percentage of DoFollow External Links Authority	-0.16	23	14	63 %	86 %
137	Uses JSON-LD claim	-0.16	1	1	1 %	29 %
138	Uses JSON-LD claimReviewed Other	-0.16	1	1	1 %	29 %
139	Uses JSON-LD CreativeWork Other	-0.16	1	1	1 %	14 %
140	Uses JSON-LD DefinedTerm Other	-0.16	1	1	1 %	29 %
141	Uses JSON-LD GovernmentOrganization Other	-0.16	1	1	1 %	14 %
142	Uses JSON-LD representativeOfPage Other	-0.16	1	1	1 %	14 %
143	Uses JSON-LD uploadDate Other	-0.16	1	1	2 %	29 %
144	Uses JSON-LD VideoObject Other	-0.16	1	1	2 %	29 %
145	Uses Microdata addressCountry Other	-0.16	1	1	1 %	14 %
146	Uses Microdata geo Other	-0.16	1	1	1 %	29 %
147	Uses Microdata GeoCoordinates Other	-0.16	1	1	1 %	29 %
148	Uses Microdata latitude Other	-0.16	1	1	1 %	29 %
149	Uses Microdata longitude Other	-0.16	1	1	1 %	29 %
150	Uses Microdata openingHours Other	-0.16	1	1	1 %	14 %
151	Uses Microdata postalCode Other	-0.16	1	1	3 %	29 %
152	Uses Microdata Thing Other	-0.16	1	1	2 %	29 %
153	Is Purchase Page Other	-0.16	1	1	21 %	57 %
154	Uses Schema claim Other	-0.16	1	1	1 %	29 %
155	Uses Schema claimreviewed Other	-0.16	1	1	1 %	29 %
156	Uses Schema collectionpage Other	-0.16	1	1	9 %	14 %
157	Uses Schema definedterm Other	-0.16	1	1	1 %	29 %
158	Uses Schema geo Other	-0.16	1	1	1 %	29 %
159	Uses Schema governmentorganization Other	-0.16	1	1	1 %	14 %
160	Uses Schema representativeofpage Other	-0.16	1	1	1 %	14 %
161	Exact Matches in H1-H6 Tags Relevancy	-0.16	3	2	30 %	71 %
162	Inline CSS Kilobytes Size	-0.16	88	68	61 %	86 %
163	Number of External Links Authority	-0.16	27	16	65 %	86 %
164	Number of P Tags Size	-0.16	62	42	64 %	86 %
165	Number of Factors Used Diversity	-0.16	235	212	83 %	86 %
166	Variations in Absolute URLs Relevancy	-0.16	143	108	61 %	71 %
167	Has Meta Twitter Description Authority	-0.16	1	1	18 %	29 %
168	LSI Words in H4 Tags Relevancy	-0.16	18	9	26 %	57 %
169	Is Category Page Other	-0.16	1	1	15 %	57 %
170	Variations Making Whole Span Tags Relevancy	-0.15	2	1	22 %	86 %
171	Variations in Fieldset Tags Relevancy	-0.15	2	1	5 %	86 %
172	LSI Words in Sentences Relevancy	-0.15	2582	1204	62 %	86 %
173	Uses Microdata name Other	-0.15	1	1	14 %	43 %
174	Variations in HTML Comment Tags Relevancy	-0.15	2	1	7 %	100 %
175	Has Meta Charset Technology	-0.15	1	1	66 %	100 %
176	Uses Schema description Other	-0.15	1	1	60 %	57 %
177	Variations in the Canonical URL Relevancy	-0.15	3	2	56 %	86 %
178	Has FavIcon Technology	-0.15	1	1	65 %	71 %
179	Has Meta Twitter Title Authority	-0.15	1	1	19 %	29 %
180	Variations in Meta Twitter Description Relevancy	-0.15	1	1	19 %	43 %
181	Uses JSON-LD articleBody Other	-0.15	1	1	1 %	14 %
182	Uses JSON-LD CollectionPage Other	-0.15	1	1	8 %	14 %
183	Uses JSON-LD CommunicateAction Other	-0.15	1	1	1 %	14 %
184	Uses JSON-LD headline Other	-0.15	1	1	8 %	29 %
185	Uses JSON-LD ScheduleAction Other	-0.15	1	1	1 %	14 %
186	Uses Microdata Article Other	-0.15	1	1	2 %	43 %
187	Uses Microdata datePublished Other	-0.15	1	1	2 %	43 %
188	Uses Microdata faxNumber Other	-0.15	1	1	2 %	14 %
189	Uses Microdata reviewCount Other	-0.15	1	1	2 %	14 %
190	Uses RDFa optimizely Other	-0.15	1	1	1 %	14 %
191	Uses RDFa preview Other	-0.15	1	1	1 %	14 %
192	Uses RDFa vertical Other	-0.15	1	1	1 %	14 %
193	Uses Schema communicateaction Other	-0.15	1	1	1 %	14 %
194	Uses Schema optimizely Other	-0.15	1	1	1 %	14 %
195	Uses Schema preview Other	-0.15	1	1	1 %	14 %
196	Uses Schema scheduleaction Other	-0.15	1	1	1 %	14 %
197	Uses Schema vertical Other	-0.15	1	1	1 %	14 %
198	Variations in H6 Tags Relevancy	-0.15	1	1	2 %	86 %
199	LSI Words in H3 Tags Relevancy	-0.15	59	32	50 %	71 %
200	Is OpenGraph Type Article Technology	-0.15	1	1	44 %	57 %

Measures 154120 SEO Factors

152398 Built-In SEO Factors

143173 On-page SEO Factors

9225 Google Maps SEO Factors for Local SEO

1722 SEO Factors from APIs

147 API SEO Factors for off-page SEO like backlinks and referring domains.

1575 Technology Stack SEO Factors

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TOP SEO Factors for 2026-09 previous