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 %	45 %
2	Number of Do Follow Backlinks Authority	-0.27	133206	2200	28 %	44 %
3	Number of Backlinks Authority	-0.27	134088	2283	32 %	45 %
4	Number of No Follow Backlinks Authority	-0.25	5365	150	22 %	45 %
5	Number of Unique LSI Words Used Diversity	-0.24	908	252	77 %	78 %
6	Load Time Milliseconds Performance	-0.23	21244	2050	78 %	86 %
7	Search Result Domain is .com, .net, or .org Other	-0.23	1	1	7 %	74 %
8	Search Result Domain is .com Other	-0.22	1	1	7 %	73 %
9	Number of Top 200 Shared Factors Used Diversity	-0.21	51	36	92 %	85 %
10	Number of Images Size	-0.21	81	26	64 %	87 %
11	Has JSON-LD Schema Markup Relevancy	-0.21	1	1	46 %	75 %
12	Number of Top 100 Shared Factors Used Diversity	-0.21	38	27	92 %	84 %
13	Number of Includes Technology	-0.21	54	23	69 %	78 %
14	Number of Top 50 Shared Factors Used Diversity	-0.21	16	11	91 %	83 %
15	Unabridged Word Count Size	-0.2	12848	1786	78 %	89 %
16	Number of P Tags Size	-0.2	204	38	64 %	86 %
17	Word Count Size	-0.2	10144	1437	78 %	88 %
18	Has Meta Charset Technology	-0.2	1	1	65 %	83 %
19	Clean Text Kilobytes Size	-0.2	82	12	64 %	89 %
20	Number of Images with ALT Text Size	-0.2	67	18	59 %	87 %
21	Number of H1 Tags Size	-0.2	4	1	60 %	82 %
22	Number of Facebook Pages Authority	-0.2	10	2	46 %	84 %
23	Number of H2 Tags Size	-0.2	21	7	59 %	85 %
24	Number of Heading Tags Size	-0.2	70	20	65 %	88 %
25	Variations in H1, H2, and H3 Tags Relevancy	-0.2	211	8	52 %	85 %
26	Variations in P Tags Relevancy	-0.19	3443	57	55 %	86 %
27	Variations in H1-H6 Tags Relevancy	-0.19	267	10	53 %	85 %
28	Number of HTML Tags Size	-0.19	2555	890	78 %	85 %
29	Number of CSS Includes Technology	-0.19	21	8	64 %	72 %
30	Variations in H1 and H2 Tags Relevancy	-0.19	76	5	50 %	82 %
31	Search Result Number of Dirs in Path Other	-0.19	4	2	68 %	75 %
32	Number of DoFollow Links Authority	-0.19	333	105	71 %	84 %
33	Number of Links Authority	-0.19	336	107	71 %	84 %
34	Number of HTTPS Links Authority	-0.19	335	106	71 %	84 %
35	Number of Unique Variations Used Diversity	-0.19	48	13	72 %	76 %
36	Variations in Div Tags Relevancy	-0.19	31244	317	63 %	85 %
37	Average Words Per Sentence Size	-0.19	242	26	68 %	77 %
38	Number of Internal Links Authority	-0.19	312	95	70 %	82 %
39	Variations in LI Tags Relevancy	-0.19	1981	35	53 %	83 %
40	Number of Factors Used Diversity	-0.18	396	175	93 %	80 %
41	Entities in Sentences Relevancy	-0.18	1891	135	58 %	93 %
42	Entities in H2 Tags	-0.18	46	6	44 %	93 %
43	Number of Distinct Entities Used Diversity	-0.18	60	23	67 %	92 %
44	Variations in A Tags Relevancy	-0.18	4844	52	54 %	82 %
45	Number of Instagram Pages Authority	-0.18	13	2	35 %	82 %
46	Entities in the HTML Tag Relevancy	-0.18	1892	138	63 %	92 %
47	Variations in Search Result Document File Name Relevancy	-0.18	7	1	38 %	83 %
48	LSI Words in Sentences Relevancy	-0.18	3764	610	57 %	93 %
49	Number of Images without ALT Text Size	-0.18	36	8	46 %	85 %
50	Variations in H2 Tags Relevancy	-0.18	71	4	42 %	82 %
51	Number of HTML Comments Size	-0.18	492	57	60 %	83 %
52	Number of External Links Authority	-0.18	38	12	66 %	87 %
53	Variations in H1 Tags Relevancy	-0.18	11	1	44 %	78 %
54	Flesch Kincaid Reading Grade Level Other	-0.18	6	1	88 %	84 %
55	Number of H3 Tags Size	-0.18	37	9	51 %	86 %
56	Number of LinkedIn Pages Authority	-0.17	4	1	24 %	79 %
57	Search Result Host Length Size	-0.17	22	16	77 %	76 %
58	Variations in Body Tags Relevancy	-0.17	97091	677	70 %	81 %
59	Search Result Domain Length Size	-0.17	22	16	77 %	76 %
60	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.17	11	2	37 %	82 %
61	Number of DoFollow External Links Authority	-0.17	36	11	65 %	86 %
62	Variation Count in Top 30KB Relevancy	-0.17	6580	72	57 %	78 %
63	Leading Variations in H1-H6 Tags Relevancy	-0.17	12	2	39 %	82 %
64	Has Form Technology	-0.17	1	1	39 %	71 %
65	Variations in HTML Tags Relevancy	-0.17	97091	665	69 %	83 %
66	Variations in Sentences Relevancy	-0.17	3407	70	62 %	82 %
67	Variations in ALT Attributes Relevancy	-0.17	151	7	38 %	81 %
68	Search Result Uses HTTPS Other	-0.17	1	1	76 %	72 %
69	Uses JSON-LD name Other	-0.17	1	1	48 %	70 %
70	Entities in H1 Tags	-0.17	5	2	44 %	89 %
71	Number of Facebook Accounts Authority	-0.17	3	1	20 %	78 %
72	Entities in Title Tag Relevancy	-0.17	14	3	57 %	91 %
73	Percentage of DoFollow External Links Authority	-0.17	38	12	64 %	75 %
74	Number of Forms Technology	-0.17	12	2	40 %	77 %
75	Number of Questions In Headings Size	-0.16	9	2	34 %	82 %
76	Number Of JSON-LD Types Relevancy	-0.16	77	17	49 %	82 %
77	Variations in Span Tags Relevancy	-0.16	729	15	42 %	84 %
78	Number of Social Pages Authority	-0.16	18	5	52 %	82 %
79	Entities in H3 Tags	-0.16	63	6	37 %	93 %
80	LSI Words in H2 Tags Relevancy	-0.16	69	17	47 %	89 %
81	Number of Social Accounts Authority	-0.16	5	2	31 %	78 %
82	Term Frequency Relevancy	-0.16	6	3	68 %	78 %
83	Variations in Search Result URL Path Relevancy	-0.16	9	1	40 %	82 %
84	Percentage of DoFollow Links Authority	-0.16	99	79	72 %	75 %
85	Variations in A Tag HREF Attributes Relevancy	-0.16	2213	53	48 %	85 %
86	Variations in Main Tags Relevancy	-0.16	15167	164	32 %	79 %
87	Is Home Page Other	-0.16	1	1	15 %	55 %
88	Headings Has Question Other	-0.16	1	1	34 %	77 %
89	Has Entities in H2 Tags Relevancy	-0.16	1	1	45 %	86 %
90	Number of Sentences Size	-0.16	1102	138	75 %	82 %
91	Variations in H3 Tags Relevancy	-0.16	135	4	34 %	84 %
92	Variations in Search Result Link Text Relevancy	-0.16	10	2	75 %	69 %
93	Variations in Distinct A Tag HREF Attributes Relevancy	-0.16	1343	33	48 %	85 %
94	Variations in Search Result Display URL Relevancy	-0.16	10	2	75 %	70 %
95	Uses JSON-LD url Other	-0.16	1	1	43 %	71 %
96	Percentage of DoFollow Internal Links Authority	-0.16	91	66	70 %	70 %
97	Variations in OpenGraph Title Relevancy	-0.15	7	1	46 %	62 %
98	Page Size Kilobytes Size	-0.15	933	282	77 %	61 %
99	Has Meta Viewport Technology	-0.15	1	1	74 %	72 %
100	Has Entities in H1 Tags Relevancy	-0.15	1	1	45 %	85 %
101	Variations in the Title Tag Relevancy	-0.15	31	2	54 %	72 %
102	Inline CSS Kilobytes Size	-0.15	154	53	59 %	82 %
103	Has Meta Robots Other	-0.15	1	1	25 %	73 %
104	Variations in Nav Tags Relevancy	-0.15	9938	81	40 %	80 %
105	Is Article Page Other	-0.15	1	1	37 %	66 %
106	Number of Twitter Accounts Authority	-0.15	2	1	14 %	77 %
107	Variations in Meta Description Relevancy	-0.15	44	2	50 %	71 %
108	Variations in Search Result URL Relevancy	-0.15	20	2	48 %	75 %
109	Search Result Summary Length Size	-0.15	261	156	91 %	69 %
110	Variations in First 100 Words Relevancy	-0.15	187	9	56 %	79 %
111	LSI Words in H1 Tags Relevancy	-0.15	13	4	46 %	87 %
112	Uses JSON-LD description Other	-0.15	1	1	38 %	67 %
113	Has US Phone Number Trust	-0.15	1	1	30 %	69 %
114	Number of Absolute URLs Authority	-0.15	1127	235	76 %	70 %
115	Variations in Section Tags Relevancy	-0.15	1231	31	34 %	83 %
116	Leading Variations in H2 Tags Relevancy	-0.15	4	1	21 %	79 %
117	Variation Density in Top 30KB Relevancy	-0.15	298	6	56 %	70 %
118	Leading Variations in H1 Tags Relevancy	-0.15	1	1	22 %	75 %
119	Variations in Absolute URLs Relevancy	-0.15	6009	90	52 %	84 %
120	Variations in Footer Tags Relevancy	-0.15	4986	39	35 %	77 %
121	Number of Questions In H3 Tags Size	-0.15	5	2	18 %	76 %
122	LSI Words in H3 Tags Relevancy	-0.15	72	18	40 %	90 %
123	Has Apple Touch Icon Technology	-0.15	1	1	43 %	75 %
124	Number of Questions In H2 Tags Size	-0.15	4	1	21 %	81 %
125	Variations in the Canonical URL Relevancy	-0.15	44	2	42 %	76 %
126	Number Of Claimed Brands Other	-0.14	38	3	21 %	76 %
127	Has Contact Page Trust	-0.14	1	1	50 %	62 %
128	Number of JavaScript Includes Technology	-0.14	40	16	72 %	78 %
129	Variations in OpenGraph Description Relevancy	-0.14	27	2	44 %	69 %
130	Has Privacy Policy Trust	-0.14	1	1	46 %	63 %
131	Number of US Phone Numbers Trust	-0.14	108	8	31 %	81 %
132	Inline JavaScript Kilobytes Size	-0.14	557	115	72 %	55 %
133	Variations in Strong Tags Relevancy	-0.14	43	3	24 %	80 %
134	Title Word Count Size	-0.14	29	8	76 %	67 %
135	Title Length Size	-0.14	240	54	76 %	65 %
136	Clean Keyword Density in the HTML Tag Relevancy	-0.14	204	6	60 %	69 %
137	Number of Email Addresses Trust	-0.14	19	4	39 %	74 %
138	Uses JSON-LD datePublished Other	-0.14	1	1	28 %	67 %
139	Exact Matches in the HTML Tag Relevancy	-0.14	324	9	24 %	83 %
140	Entities in Meta Description Tag Relevancy	-0.14	17	3	49 %	85 %
141	Number of H4 Tags Size	-0.14	12	3	28 %	78 %
142	Is OpenGraph Type Article Technology	-0.14	1	1	26 %	59 %
143	Uses Schema datemodified Other	-0.14	1	1	27 %	67 %
144	Variations in Script Tags Relevancy	-0.14	29554	206	58 %	75 %
145	Leading Variations in Title Tag Relevancy	-0.14	1	1	26 %	74 %
146	Uses JSON-LD WebPage Other	-0.14	1	1	28 %	65 %
147	Uses JSON-LD mainEntity Other	-0.14	1	1	1 %	11 %
148	Uses Schema webpage Other	-0.14	1	1	29 %	66 %
149	Variations in Article Tags Relevancy	-0.14	668	20	21 %	78 %
150	Uses Schema organization Other	-0.14	1	1	29 %	64 %
151	Has Entities in H3 Tags Relevancy	-0.14	1	1	37 %	85 %
152	Number of Questions Size	-0.14	55	13	60 %	71 %
153	Uses JSON-LD ImageObject Other	-0.14	1	1	27 %	70 %
154	Uses Schema name Other	-0.14	1	1	55 %	53 %
155	LSI Words in Title Tag Relevancy	-0.14	28	5	57 %	84 %
156	Number of Prices Size	-0.14	484	106	62 %	77 %
157	Number of Meta Generator Tags Technology	-0.14	2	1	29 %	72 %
158	TF/IDF Relevancy	-0.14	1	1	51 %	72 %
159	Uses JSON-LD dateModified Other	-0.13	1	1	26 %	69 %
160	Number of Nofollow Links Authority	-0.13	23	3	18 %	79 %
161	Has Schema Markup Relevancy	-0.13	1	1	58 %	57 %
162	Has Email Trust	-0.13	1	1	39 %	66 %
163	Uses Schema website Other	-0.13	1	1	31 %	66 %
164	Word Count in Meta Description Size	-0.13	54	18	62 %	65 %
165	Meta Description Length Size	-0.13	394	114	62 %	64 %
166	Uses JSON-LD Organization Other	-0.13	1	1	28 %	67 %
167	Has FavIcon Technology	-0.13	1	1	68 %	61 %
168	Exact Matches in Top 30KB Relevancy	-0.13	9	2	16 %	76 %
169	Uses JSON-LD BreadcrumbList Other	-0.13	1	1	31 %	65 %
170	Uses JSON-LD ListItem Other	-0.13	1	1	32 %	65 %
171	Variations making whole A Tags Relevancy	-0.13	22	2	25 %	77 %
172	Number of NoFollow External Links Authority	-0.13	10	2	13 %	79 %
173	Has Meta Description Relevancy	-0.13	1	1	60 %	58 %
174	Variations Making Whole LI Tags Relevancy	-0.13	7	1	23 %	77 %
175	Has Canonical URL Authority	-0.13	1	1	65 %	60 %
176	Has RSS Link Authority	-0.13	1	1	23 %	65 %
177	LSI Words in Meta Description Tag Relevancy	-0.13	29	9	50 %	82 %
178	Uses Schema url Other	-0.13	1	1	51 %	54 %
179	Search Result URL Length Size	-0.13	206	66	91 %	41 %
180	Entities in H4 Tags	-0.13	10	2	16 %	89 %
181	Exact Matches in H1-H6 Tags Relevancy	-0.13	8	1	15 %	82 %
182	Percentage of NoFollow Links Authority	-0.13	7	2	16 %	76 %
183	Variations in I Tags Relevancy	-0.13	138	5	17 %	80 %
184	Variations Making Whole Span Tags Relevancy	-0.13	24	1	18 %	77 %
185	Has Terms of Service Trust	-0.13	1	1	30 %	55 %
186	Uses JSON-LD WebSite Other	-0.13	1	1	28 %	69 %
187	Uses JSON-LD SearchAction Other	-0.13	1	1	20 %	65 %
188	Uses Schema searchaction Other	-0.13	1	1	20 %	64 %
189	Has XMLRPC Technology	-0.13	1	1	22 %	64 %
190	Has OpenGraph Type Relevancy	-0.13	1	1	56 %	60 %
191	Variations in Search Result Summary Relevancy	-0.13	59	3	76 %	69 %
192	Has OpenGraph Image Relevancy	-0.13	1	1	48 %	54 %
193	Is Store Page Other	-0.13	1	1	35 %	65 %
194	Uses Schema description Other	-0.13	1	1	45 %	49 %
195	Leading Variations in H3 Tags Relevancy	-0.13	8	1	17 %	80 %
196	Uses Schema inlanguage Other	-0.13	1	1	27 %	65 %
197	Variations in H4-H6 Tags Relevancy	-0.12	57	2	16 %	79 %
198	Percentage of NoFollow External Links Authority	-0.12	5	1	12 %	78 %
199	Variations making whole H1-H6 Tags Relevancy	-0.12	2	1	13 %	78 %
200	Has Google Verify Technology	-0.12	1	1	14 %	68 %

Measures 154561 SEO Factors

152839 Built-In SEO Factors

143612 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