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 Referring Domains Authority	-0.28	627	49	32 %	37 %
2	Number of Do Follow Backlinks Authority	-0.27	133206	2200	28 %	37 %
3	Number of Backlinks Authority	-0.27	134088	2283	32 %	38 %
4	Number of No Follow Backlinks Authority	-0.25	5365	150	22 %	38 %
5	Number of Unique LSI Words Used Diversity	-0.24	908	246	77 %	79 %
6	Load Time Milliseconds Performance	-0.23	23860	2191	78 %	86 %
7	Search Result Domain is .com, .net, or .org Other	-0.22	1	1	7 %	74 %
8	Number of Includes Technology	-0.22	54	22	69 %	79 %
9	Has JSON-LD Schema Markup Relevancy	-0.22	1	1	45 %	76 %
10	Search Result Domain is .com Other	-0.21	1	1	7 %	73 %
11	Number of Top 200 Shared Factors Used Diversity	-0.21	51	36	93 %	86 %
12	Number of Top 100 Shared Factors Used Diversity	-0.21	38	27	93 %	85 %
13	Number of Facebook Pages Authority	-0.21	10	2	46 %	84 %
14	Number of Images Size	-0.21	101	25	65 %	88 %
15	Number of Top 50 Shared Factors Used Diversity	-0.21	16	11	92 %	84 %
16	Number of CSS Includes Technology	-0.21	21	8	63 %	73 %
17	Number of P Tags Size	-0.2	303	38	64 %	86 %
18	Unabridged Word Count Size	-0.2	12848	1782	79 %	88 %
19	Word Count Size	-0.2	10144	1427	79 %	88 %
20	Number of H1 Tags Size	-0.2	4	1	61 %	84 %
21	Clean Text Kilobytes Size	-0.2	82	12	65 %	89 %
22	Has Meta Charset Technology	-0.2	1	1	66 %	84 %
23	Number of Images with ALT Text Size	-0.2	80	18	60 %	88 %
24	Number of Heading Tags Size	-0.2	70	20	66 %	87 %
25	Number of H2 Tags Size	-0.19	21	7	60 %	85 %
26	Variations in P Tags Relevancy	-0.19	3443	53	55 %	85 %
27	Variations in H1, H2, and H3 Tags Relevancy	-0.19	211	8	53 %	85 %
28	Variations in H1-H6 Tags Relevancy	-0.19	267	9	54 %	86 %
29	Variations in H1 and H2 Tags Relevancy	-0.19	76	5	51 %	83 %
30	Search Result Number of Dirs in Path Other	-0.19	4	2	69 %	76 %
31	Number of HTML Tags Size	-0.19	2857	883	79 %	85 %
32	Number of Unique Variations Used Diversity	-0.19	48	12	73 %	78 %
33	Variations in Div Tags Relevancy	-0.19	31244	325	64 %	85 %
34	Average Words Per Sentence Size	-0.19	242	26	69 %	79 %
35	Number of Links Authority	-0.18	360	108	72 %	85 %
36	Number of DoFollow Links Authority	-0.18	333	105	72 %	85 %
37	Number of Instagram Pages Authority	-0.18	13	2	35 %	83 %
38	Number of HTTPS Links Authority	-0.18	335	107	72 %	85 %
39	LSI Words in Sentences Relevancy	-0.18	3764	611	59 %	93 %
40	Variations in LI Tags Relevancy	-0.18	1981	33	54 %	84 %
41	Number of Factors Used Diversity	-0.18	396	173	93 %	82 %
42	Number of Internal Links Authority	-0.18	312	95	71 %	83 %
43	Variations in Search Result Document File Name Relevancy	-0.18	7	1	38 %	84 %
44	Entities in Sentences Relevancy	-0.18	1891	129	58 %	93 %
45	Variations in A Tags Relevancy	-0.18	4844	47	54 %	82 %
46	Number of Distinct Entities Used Diversity	-0.18	60	22	66 %	92 %
47	Entities in H2 Tags	-0.18	46	6	43 %	92 %
48	Number of HTML Comments Size	-0.18	1118	56	61 %	83 %
49	Variations in H2 Tags Relevancy	-0.18	71	4	42 %	82 %
50	Variations in H1 Tags Relevancy	-0.18	11	1	44 %	78 %
51	Entities in the HTML Tag Relevancy	-0.18	1892	132	62 %	92 %
52	Number of External Links Authority	-0.18	144	13	66 %	86 %
53	Number of Images without ALT Text Size	-0.18	41	8	46 %	87 %
54	Flesch Kincaid Reading Grade Level Other	-0.17	6	1	89 %	85 %
55	Number of LinkedIn Pages Authority	-0.17	4	1	24 %	81 %
56	Number of DoFollow External Links Authority	-0.17	36	11	65 %	85 %
57	Number of H3 Tags Size	-0.17	37	9	51 %	86 %
58	Variations in Body Tags Relevancy	-0.17	97091	721	70 %	82 %
59	Leading Variations in H1-H6 Tags Relevancy	-0.17	12	2	40 %	82 %
60	Search Result Host Length Size	-0.17	22	16	78 %	78 %
61	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.17	11	2	37 %	82 %
62	Variation Count in Top 30KB Relevancy	-0.17	6580	71	58 %	79 %
63	Search Result Domain Length Size	-0.17	22	16	78 %	78 %
64	Number of Facebook Accounts Authority	-0.17	3	1	20 %	78 %
65	Variations in HTML Tags Relevancy	-0.17	97091	711	69 %	83 %
66	Variations in Sentences Relevancy	-0.17	3407	69	63 %	82 %
67	Has Form Technology	-0.17	1	1	40 %	72 %
68	Entities in Title Tag Relevancy	-0.17	14	3	56 %	91 %
69	Number of Forms Technology	-0.16	12	2	41 %	78 %
70	Variations in ALT Attributes Relevancy	-0.16	158	7	38 %	81 %
71	Variations in Span Tags Relevancy	-0.16	729	14	43 %	84 %
72	Percentage of DoFollow External Links Authority	-0.16	38	12	64 %	76 %
73	Entities in H1 Tags	-0.16	5	2	43 %	89 %
74	Search Result Uses HTTPS Other	-0.16	1	1	77 %	74 %
75	LSI Words in H2 Tags Relevancy	-0.16	69	17	48 %	89 %
76	Uses JSON-LD name Other	-0.16	1	1	48 %	72 %
77	Variations in Search Result Link Text Relevancy	-0.16	14	2	75 %	70 %
78	Variations in Search Result URL Path Relevancy	-0.16	9	1	40 %	82 %
79	Number of Questions In Headings Size	-0.16	9	2	34 %	82 %
80	Variations in Search Result Display URL Relevancy	-0.16	14	2	75 %	70 %
81	Percentage of DoFollow Links Authority	-0.16	99	79	72 %	76 %
82	Term Frequency Relevancy	-0.16	6	3	69 %	78 %
83	Number of Social Pages Authority	-0.16	18	5	53 %	82 %
84	Number Of JSON-LD Types Relevancy	-0.16	93	16	50 %	83 %
85	Is Home Page Other	-0.16	1	1	15 %	54 %
86	Entities in H3 Tags	-0.16	63	6	36 %	93 %
87	Number of Social Accounts Authority	-0.16	5	2	31 %	78 %
88	Variations in A Tag HREF Attributes Relevancy	-0.16	2213	52	48 %	86 %
89	Number of Sentences Size	-0.16	1102	136	76 %	81 %
90	Headings Has Question Other	-0.16	1	1	34 %	77 %
91	Variations in the Title Tag Relevancy	-0.16	31	2	55 %	72 %
92	Variations in H3 Tags Relevancy	-0.16	135	4	33 %	84 %
93	Variations in Distinct A Tag HREF Attributes Relevancy	-0.16	1343	32	49 %	86 %
94	Uses JSON-LD url Other	-0.15	1	1	44 %	72 %
95	Has Entities in H2 Tags Relevancy	-0.15	1	1	44 %	86 %
96	Percentage of DoFollow Internal Links Authority	-0.15	91	67	70 %	71 %
97	Variations in Main Tags Relevancy	-0.15	18789	175	32 %	80 %
98	Variations in OpenGraph Title Relevancy	-0.15	10	1	47 %	65 %
99	LSI Words in H1 Tags Relevancy	-0.15	13	4	47 %	86 %
100	Has Meta Viewport Technology	-0.15	1	1	75 %	74 %
101	Has Entities in H1 Tags Relevancy	-0.15	1	1	45 %	86 %
102	Variations in Meta Description Relevancy	-0.15	44	2	50 %	73 %
103	Variations in Search Result URL Relevancy	-0.15	20	2	49 %	75 %
104	Number of Twitter Accounts Authority	-0.15	2	1	14 %	78 %
105	Variations in First 100 Words Relevancy	-0.15	187	8	56 %	80 %
106	Search Result Summary Length Size	-0.15	261	156	92 %	70 %
107	Inline CSS Kilobytes Size	-0.15	154	53	60 %	82 %
108	Variations in Nav Tags Relevancy	-0.15	9938	71	40 %	79 %
109	Is Article Page Other	-0.15	1	1	37 %	68 %
110	Number of Absolute URLs Authority	-0.15	1127	238	76 %	70 %
111	Variation Density in Top 30KB Relevancy	-0.15	333	5	56 %	71 %
112	Has Meta Robots Other	-0.15	1	1	25 %	75 %
113	Has Apple Touch Icon Technology	-0.15	1	1	44 %	75 %
114	Page Size Kilobytes Size	-0.15	933	281	77 %	62 %
115	Variations in Absolute URLs Relevancy	-0.15	6009	82	51 %	85 %
116	Clean Keyword Density in the HTML Tag Relevancy	-0.15	204	6	60 %	71 %
117	Variations in Section Tags Relevancy	-0.15	1620	32	34 %	84 %
118	Leading Variations in H1 Tags Relevancy	-0.15	1	1	22 %	75 %
119	Has US Phone Number Trust	-0.15	1	1	30 %	69 %
120	LSI Words in H3 Tags Relevancy	-0.15	72	18	41 %	89 %
121	Leading Variations in H2 Tags Relevancy	-0.15	4	1	21 %	79 %
122	Uses JSON-LD description Other	-0.15	1	1	38 %	68 %
123	Has Contact Page Trust	-0.15	1	1	50 %	63 %
124	Number of JavaScript Includes Technology	-0.14	40	16	73 %	78 %
125	Number of Questions In H2 Tags Size	-0.14	4	1	22 %	80 %
126	Number of Questions In H3 Tags Size	-0.14	5	2	18 %	77 %
127	Variations in OpenGraph Description Relevancy	-0.14	27	2	44 %	71 %
128	Variations in the Canonical URL Relevancy	-0.14	44	2	43 %	78 %
129	Number of US Phone Numbers Trust	-0.14	108	7	31 %	80 %
130	Number Of Claimed Brands Other	-0.14	38	3	21 %	76 %
131	Number of H4 Tags Size	-0.14	12	3	28 %	78 %
132	Variations in Footer Tags Relevancy	-0.14	4986	34	35 %	77 %
133	Title Length Size	-0.14	240	53	77 %	67 %
134	Number of Email Addresses Trust	-0.14	19	4	39 %	76 %
135	Uses JSON-LD datePublished Other	-0.14	1	1	28 %	69 %
136	Title Word Count Size	-0.14	29	8	77 %	68 %
137	Variations in Strong Tags Relevancy	-0.14	43	3	24 %	81 %
138	Variations in Script Tags Relevancy	-0.14	29554	216	58 %	74 %
139	Number of Meta Generator Tags Technology	-0.14	2	1	28 %	72 %
140	Leading Variations in Title Tag Relevancy	-0.14	1	1	27 %	74 %
141	Exact Matches in the HTML Tag Relevancy	-0.14	324	9	25 %	83 %
142	Entities in Meta Description Tag Relevancy	-0.14	17	3	49 %	86 %
143	Uses Schema datemodified Other	-0.14	1	1	27 %	70 %
144	Has Privacy Policy Trust	-0.14	1	1	46 %	65 %
145	Inline JavaScript Kilobytes Size	-0.14	557	114	73 %	57 %
146	Uses Schema webpage Other	-0.14	1	1	29 %	67 %
147	Is OpenGraph Type Article Technology	-0.14	1	1	26 %	63 %
148	Uses JSON-LD WebPage Other	-0.14	1	1	28 %	67 %
149	LSI Words in Title Tag Relevancy	-0.14	28	5	59 %	84 %
150	Variations in Article Tags Relevancy	-0.14	668	19	21 %	78 %
151	TF/IDF Relevancy	-0.14	1	1	51 %	74 %
152	Uses JSON-LD ImageObject Other	-0.13	1	1	27 %	71 %
153	Uses JSON-LD dateModified Other	-0.13	1	1	26 %	71 %
154	Number of Prices Size	-0.13	484	106	62 %	78 %
155	Uses Schema organization Other	-0.13	1	1	29 %	65 %
156	Uses Schema website Other	-0.13	1	1	31 %	67 %
157	Number of Questions Size	-0.13	55	13	60 %	70 %
158	Uses Schema name Other	-0.13	1	1	55 %	55 %
159	Number of Nofollow Links Authority	-0.13	113	3	19 %	80 %
160	Exact Matches in Top 30KB Relevancy	-0.13	13	2	16 %	77 %
161	Has Email Trust	-0.13	1	1	39 %	68 %
162	Has Entities in H3 Tags Relevancy	-0.13	1	1	36 %	85 %
163	Meta Description Length Size	-0.13	394	114	62 %	65 %
164	Variations making whole A Tags Relevancy	-0.13	22	2	25 %	75 %
165	Word Count in Meta Description Size	-0.13	54	18	62 %	66 %
166	LSI Words in Meta Description Tag Relevancy	-0.13	29	9	51 %	82 %
167	Has Schema Markup Relevancy	-0.13	1	1	58 %	59 %
168	Has FavIcon Technology	-0.13	1	1	69 %	63 %
169	Uses JSON-LD mainEntity Other	-0.13	1	1	1 %	14 %
170	Exact Matches in H1-H6 Tags Relevancy	-0.13	8	1	16 %	82 %
171	Uses JSON-LD Organization Other	-0.13	1	1	28 %	68 %
172	Uses JSON-LD BreadcrumbList Other	-0.13	1	1	31 %	66 %
173	Uses JSON-LD ListItem Other	-0.13	1	1	32 %	67 %
174	Variations in I Tags Relevancy	-0.13	148	5	17 %	80 %
175	Variations in Search Result Summary Relevancy	-0.13	59	3	76 %	68 %
176	Has RSS Link Authority	-0.13	1	1	23 %	66 %
177	Has Meta Description Relevancy	-0.13	1	1	61 %	59 %
178	Uses JSON-LD WebSite Other	-0.13	1	1	28 %	70 %
179	Number of NoFollow External Links Authority	-0.13	113	2	13 %	80 %
180	Uses Schema url Other	-0.13	1	1	51 %	56 %
181	Percentage of NoFollow Links Authority	-0.13	7	2	17 %	77 %
182	Uses JSON-LD SearchAction Other	-0.13	1	1	20 %	67 %
183	Has XMLRPC Technology	-0.13	1	1	22 %	66 %
184	Uses Schema searchaction Other	-0.13	1	1	20 %	66 %
185	Variations Making Whole Span Tags Relevancy	-0.13	24	1	18 %	78 %
186	Search Result URL Length Size	-0.13	206	65	92 %	43 %
187	Variations Making Whole LI Tags Relevancy	-0.13	7	1	23 %	77 %
188	Entities in H4 Tags	-0.13	10	2	15 %	89 %
189	Has OpenGraph Type Relevancy	-0.13	1	1	56 %	62 %
190	Has Canonical URL Authority	-0.13	1	1	66 %	62 %
191	Variations in H4-H6 Tags Relevancy	-0.13	57	2	15 %	80 %
192	Uses Schema inlanguage Other	-0.13	1	1	26 %	67 %
193	Uses Schema postaladdress Other	-0.13	1	1	19 %	63 %
194	Variations making whole H1-H6 Tags Relevancy	-0.13	2	1	13 %	78 %
195	Has OpenGraph Image Relevancy	-0.12	1	1	49 %	54 %
196	Uses Schema addresslocality Other	-0.12	1	1	19 %	63 %
197	Uses JSON-LD inLanguage Other	-0.12	1	1	26 %	68 %
198	Percentage of NoFollow External Links Authority	-0.12	5	1	12 %	78 %
199	Has Google Verify Technology	-0.12	1	1	15 %	68 %
200	Uses JSON-LD image Other	-0.12	1	1	15 %	69 %

Measures 154576 SEO Factors

152854 Built-In SEO Factors

143627 On-page SEO Factors

9227 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