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 %	54 %
2	Number of Do Follow Backlinks Authority	-0.27	133206	2200	28 %	53 %
3	Number of Backlinks Authority	-0.27	134088	2283	32 %	54 %
4	Number of No Follow Backlinks Authority	-0.25	5365	150	22 %	54 %
5	Number of Unique LSI Words Used Diversity	-0.25	908	263	75 %	76 %
6	Load Time Milliseconds Performance	-0.24	21244	2064	76 %	86 %
7	Search Result Domain is .com, .net, or .org Other	-0.24	1	1	7 %	77 %
8	Search Result Domain is .com Other	-0.23	1	1	6 %	76 %
9	Number of Images Size	-0.22	81	26	63 %	87 %
10	Has JSON-LD Schema Markup Relevancy	-0.21	1	1	45 %	75 %
11	Number of Top 200 Shared Factors Used Diversity	-0.21	51	36	90 %	85 %
12	Number of Includes Technology	-0.21	54	23	68 %	79 %
13	Number of P Tags Size	-0.21	204	39	62 %	86 %
14	Number of Top 50 Shared Factors Used Diversity	-0.21	16	11	90 %	81 %
15	Number of Top 100 Shared Factors Used Diversity	-0.21	38	27	90 %	84 %
16	Unabridged Word Count Size	-0.21	12848	1842	76 %	88 %
17	Word Count Size	-0.21	10144	1497	76 %	88 %
18	Number of Images with ALT Text Size	-0.21	67	19	58 %	88 %
19	Number of H1 Tags Size	-0.21	4	1	59 %	83 %
20	Clean Text Kilobytes Size	-0.21	82	12	62 %	89 %
21	Number of Heading Tags Size	-0.21	70	20	64 %	87 %
22	Number of Facebook Pages Authority	-0.21	10	2	45 %	85 %
23	Has Meta Charset Technology	-0.21	1	1	64 %	84 %
24	Number of H2 Tags Size	-0.2	21	7	58 %	85 %
25	Number of HTML Tags Size	-0.2	2216	901	76 %	85 %
26	Number of CSS Includes Technology	-0.2	21	8	62 %	71 %
27	Search Result Number of Dirs in Path Other	-0.2	4	2	67 %	77 %
28	Variations in H1, H2, and H3 Tags Relevancy	-0.2	211	9	52 %	84 %
29	Variations in H1-H6 Tags Relevancy	-0.2	267	10	53 %	85 %
30	Number of HTTPS Links Authority	-0.19	335	107	70 %	85 %
31	Variations in P Tags Relevancy	-0.19	3443	60	54 %	86 %
32	Number of DoFollow Links Authority	-0.19	333	105	70 %	85 %
33	Number of Links Authority	-0.19	336	108	70 %	85 %
34	Average Words Per Sentence Size	-0.19	242	26	66 %	79 %
35	Number of Internal Links Authority	-0.19	312	95	69 %	82 %
36	Variations in H1 and H2 Tags Relevancy	-0.19	76	5	51 %	81 %
37	Number of Factors Used Diversity	-0.19	396	177	91 %	79 %
38	Variations in Div Tags Relevancy	-0.19	31244	325	63 %	85 %
39	Number of Unique Variations Used Diversity	-0.19	48	13	72 %	75 %
40	Variations in LI Tags Relevancy	-0.19	1981	37	53 %	84 %
41	Variations in A Tags Relevancy	-0.19	4844	56	54 %	81 %
42	Number of Distinct Entities Used Diversity	-0.19	60	23	66 %	92 %
43	Entities in Sentences Relevancy	-0.19	1891	144	57 %	93 %
44	Variations in Search Result Document File Name Relevancy	-0.19	7	1	39 %	82 %
45	Number of Instagram Pages Authority	-0.19	13	2	35 %	82 %
46	Number of Images without ALT Text Size	-0.19	30	8	45 %	86 %
47	Entities in the HTML Tag Relevancy	-0.18	1892	148	61 %	92 %
48	Number of External Links Authority	-0.18	38	13	65 %	88 %
49	Number of HTML Comments Size	-0.18	492	56	59 %	84 %
50	Entities in H2 Tags	-0.18	46	7	43 %	92 %
51	Variations in H2 Tags Relevancy	-0.18	71	4	42 %	80 %
52	Number of H3 Tags Size	-0.18	37	9	50 %	87 %
53	Search Result Host Length Size	-0.18	22	16	75 %	76 %
54	Variations in H1 Tags Relevancy	-0.18	11	1	44 %	76 %
55	LSI Words in Sentences Relevancy	-0.18	3764	627	54 %	93 %
56	Number of LinkedIn Pages Authority	-0.18	4	1	25 %	79 %
57	Search Result Domain Length Size	-0.18	22	16	75 %	76 %
58	Flesch Kincaid Reading Grade Level Other	-0.18	6	1	87 %	85 %
59	Number of DoFollow External Links Authority	-0.18	36	12	64 %	88 %
60	Variations in Body Tags Relevancy	-0.18	97091	654	70 %	81 %
61	Has Form Technology	-0.18	1	1	38 %	71 %
62	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.18	11	2	37 %	81 %
63	Variation Count in Top 30KB Relevancy	-0.17	6580	75	57 %	78 %
64	Variations in HTML Tags Relevancy	-0.17	97091	642	68 %	83 %
65	Variations in ALT Attributes Relevancy	-0.17	151	8	38 %	81 %
66	Leading Variations in H1-H6 Tags Relevancy	-0.17	12	2	39 %	83 %
67	Number of Forms Technology	-0.17	12	2	39 %	76 %
68	Search Result Uses HTTPS Other	-0.17	1	1	74 %	72 %
69	Uses JSON-LD name Other	-0.17	1	1	47 %	71 %
70	Variations in Span Tags Relevancy	-0.17	729	16	42 %	84 %
71	Number of Facebook Accounts Authority	-0.17	3	1	19 %	79 %
72	Variations in Sentences Relevancy	-0.17	3407	72	62 %	81 %
73	Entities in H1 Tags	-0.17	5	2	44 %	88 %
74	Number of Social Pages Authority	-0.17	15	5	51 %	81 %
75	Percentage of DoFollow External Links Authority	-0.17	38	13	63 %	76 %
76	Variations in Search Result URL Path Relevancy	-0.17	9	1	41 %	80 %
77	Number Of JSON-LD Types Relevancy	-0.17	77	17	48 %	81 %
78	Number of Social Accounts Authority	-0.17	5	2	31 %	81 %
79	Percentage of DoFollow Links Authority	-0.17	99	78	70 %	74 %
80	Number of Questions In Headings Size	-0.17	9	2	33 %	82 %
81	Entities in Title Tag Relevancy	-0.17	14	3	56 %	91 %
82	Variations in A Tag HREF Attributes Relevancy	-0.16	2213	56	49 %	84 %
83	Term Frequency Relevancy	-0.16	6	3	68 %	76 %
84	Entities in H3 Tags	-0.16	63	7	36 %	93 %
85	Number of Sentences Size	-0.16	541	139	74 %	83 %
86	Variations in Main Tags Relevancy	-0.16	15167	163	31 %	81 %
87	Page Size Kilobytes Size	-0.16	933	285	75 %	60 %
88	Variations in Distinct A Tag HREF Attributes Relevancy	-0.16	1343	35	49 %	84 %
89	Has Entities in H2 Tags Relevancy	-0.16	1	1	44 %	87 %
90	Percentage of DoFollow Internal Links Authority	-0.16	91	66	68 %	68 %
91	Variations in H3 Tags Relevancy	-0.16	135	4	35 %	84 %
92	Headings Has Question Other	-0.16	1	1	33 %	76 %
93	LSI Words in H2 Tags Relevancy	-0.16	69	17	45 %	89 %
94	Has Meta Viewport Technology	-0.16	1	1	72 %	72 %
95	Uses JSON-LD url Other	-0.16	1	1	43 %	71 %
96	Is Home Page Other	-0.16	1	1	14 %	54 %
97	Variations in Nav Tags Relevancy	-0.16	9938	89	40 %	80 %
98	Has Meta Robots Other	-0.16	1	1	24 %	75 %
99	Has Entities in H1 Tags Relevancy	-0.15	1	1	45 %	86 %
100	Inline CSS Kilobytes Size	-0.15	154	53	58 %	82 %
101	Number of Questions In H3 Tags Size	-0.15	5	2	18 %	76 %
102	Variations in Absolute URLs Relevancy	-0.15	6009	94	52 %	82 %
103	Variations in Search Result URL Relevancy	-0.15	20	2	49 %	73 %
104	Variations in Search Result Link Text Relevancy	-0.15	10	2	75 %	68 %
105	Number of Absolute URLs Authority	-0.15	1127	237	74 %	71 %
106	Is Article Page Other	-0.15	1	1	36 %	67 %
107	Variations in First 100 Words Relevancy	-0.15	187	9	56 %	77 %
108	Variations in OpenGraph Title Relevancy	-0.15	7	2	47 %	59 %
109	Number of Twitter Accounts Authority	-0.15	2	1	14 %	79 %
110	Inline JavaScript Kilobytes Size	-0.15	557	115	70 %	55 %
111	Variation Density in Top 30KB Relevancy	-0.15	298	6	57 %	68 %
112	Variations in Search Result Display URL Relevancy	-0.15	10	2	75 %	69 %
113	Variations in Meta Description Relevancy	-0.15	44	2	50 %	69 %
114	Number of JavaScript Includes Technology	-0.15	40	16	71 %	78 %
115	Variations in the Title Tag Relevancy	-0.15	10	2	54 %	70 %
116	Title Length Size	-0.15	240	52	74 %	63 %
117	Variations in Footer Tags Relevancy	-0.15	4986	43	36 %	77 %
118	Uses JSON-LD description Other	-0.15	1	1	38 %	66 %
119	Uses JSON-LD mainEntity Other	-0.15	1	1	1 %	11 %
120	Has US Phone Number Trust	-0.15	1	1	30 %	71 %
121	Search Result Summary Length Size	-0.15	223	153	90 %	68 %
122	Title Word Count Size	-0.15	29	8	74 %	65 %
123	Variations in Section Tags Relevancy	-0.15	1231	33	34 %	84 %
124	Leading Variations in H2 Tags Relevancy	-0.15	4	1	22 %	79 %
125	Has Privacy Policy Trust	-0.15	1	1	45 %	65 %
126	Has Contact Page Trust	-0.15	1	1	49 %	61 %
127	Leading Variations in H1 Tags Relevancy	-0.15	1	1	22 %	75 %
128	Variations in the Canonical URL Relevancy	-0.15	44	2	43 %	74 %
129	LSI Words in H1 Tags Relevancy	-0.15	11	4	45 %	87 %
130	Exact Matches in the HTML Tag Relevancy	-0.15	324	10	26 %	81 %
131	Has Apple Touch Icon Technology	-0.15	1	1	43 %	76 %
132	Number Of Claimed Brands Other	-0.15	38	3	22 %	75 %
133	Number of US Phone Numbers Trust	-0.15	108	8	32 %	82 %
134	Number of Email Addresses Trust	-0.15	19	4	38 %	75 %
135	LSI Words in H3 Tags Relevancy	-0.14	72	18	39 %	90 %
136	Clean Keyword Density in the HTML Tag Relevancy	-0.14	204	6	59 %	65 %
137	Number of Questions In H2 Tags Size	-0.14	4	1	21 %	81 %
138	Has Schema Markup Relevancy	-0.14	1	1	56 %	55 %
139	Variations in OpenGraph Description Relevancy	-0.14	26	2	45 %	66 %
140	Variations in Strong Tags Relevancy	-0.14	43	3	24 %	81 %
141	Uses Schema name Other	-0.14	1	1	53 %	51 %
142	Number of Prices Size	-0.14	484	109	61 %	78 %
143	Variations in Script Tags Relevancy	-0.14	29554	201	58 %	74 %
144	Number of H4 Tags Size	-0.14	12	3	28 %	79 %
145	Has Entities in H3 Tags Relevancy	-0.14	1	1	36 %	85 %
146	Number of Questions Size	-0.14	55	13	59 %	71 %
147	Entities in Meta Description Tag Relevancy	-0.14	17	3	49 %	84 %
148	Leading Variations in Title Tag Relevancy	-0.14	1	1	26 %	74 %
149	Uses Schema datemodified Other	-0.14	1	1	27 %	67 %
150	Uses JSON-LD datePublished Other	-0.14	1	1	28 %	68 %
151	Number of Nofollow Links Authority	-0.14	23	3	18 %	81 %
152	Uses Schema organization Other	-0.14	1	1	29 %	65 %
153	Is OpenGraph Type Article Technology	-0.14	1	1	26 %	60 %
154	Word Count in Meta Description Size	-0.14	54	18	61 %	63 %
155	Meta Description Length Size	-0.14	394	115	62 %	63 %
156	Uses Schema webpage Other	-0.14	1	1	29 %	67 %
157	Has Terms of Service Trust	-0.14	1	1	31 %	57 %
158	Exact Matches in Top 30KB Relevancy	-0.14	9	2	16 %	77 %
159	Uses JSON-LD WebPage Other	-0.14	1	1	28 %	66 %
160	Has Email Trust	-0.14	1	1	38 %	67 %
161	Has Meta Description Relevancy	-0.14	1	1	59 %	57 %
162	Uses Schema url Other	-0.14	1	1	50 %	52 %
163	Variations Making Whole Span Tags Relevancy	-0.14	6	1	18 %	77 %
164	Variations in Article Tags Relevancy	-0.14	380	21	21 %	77 %
165	TF/IDF Relevancy	-0.14	1	1	52 %	71 %
166	Has OpenGraph Type Relevancy	-0.14	1	1	55 %	58 %
167	Uses JSON-LD ImageObject Other	-0.14	1	1	27 %	70 %
168	Has FavIcon Technology	-0.14	1	1	67 %	61 %
169	Exact Matches in H1-H6 Tags Relevancy	-0.14	8	1	17 %	81 %
170	Number of NoFollow External Links Authority	-0.14	9	2	13 %	80 %
171	Uses JSON-LD dateModified Other	-0.13	1	1	26 %	68 %
172	Number of Meta Generator Tags Technology	-0.13	2	1	29 %	71 %
173	Has Canonical URL Authority	-0.13	1	1	64 %	60 %
174	Uses JSON-LD Organization Other	-0.13	1	1	28 %	68 %
175	LSI Words in Title Tag Relevancy	-0.13	25	5	55 %	84 %
176	Percentage of NoFollow Links Authority	-0.13	7	2	16 %	78 %
177	Variations in I Tags Relevancy	-0.13	138	5	17 %	80 %
178	Variations Making Whole LI Tags Relevancy	-0.13	7	1	23 %	77 %
179	Has RSS Link Authority	-0.13	1	1	23 %	62 %
180	Uses Schema website Other	-0.13	1	1	30 %	66 %
181	Variations making whole A Tags Relevancy	-0.13	22	2	26 %	77 %
182	Has OpenGraph Image Relevancy	-0.13	1	1	47 %	54 %
183	Uses JSON-LD ListItem Other	-0.13	1	1	31 %	65 %
184	Uses JSON-LD BreadcrumbList Other	-0.13	1	1	31 %	65 %
185	Uses JSON-LD SearchAction Other	-0.13	1	1	19 %	64 %
186	Is Store Page Other	-0.13	1	1	34 %	67 %
187	Uses Schema searchaction Other	-0.13	1	1	19 %	63 %
188	Percentage of NoFollow External Links Authority	-0.13	5	1	12 %	79 %
189	Search Result URL Length Size	-0.13	206	66	90 %	42 %
190	Entities in H4 Tags	-0.13	10	2	15 %	90 %
191	Has XMLRPC Technology	-0.13	1	1	22 %	63 %
192	LSI Words in Meta Description Tag Relevancy	-0.13	29	9	48 %	80 %
193	Search Result Has Unmodified Page Title Other	-0.13	1	1	37 %	58 %
194	Has Meta Twitter Card Authority	-0.13	1	1	49 %	51 %
195	Has Google Verify Technology	-0.13	1	1	14 %	70 %
196	Uses Schema image Other	-0.13	1	1	18 %	66 %
197	Uses Schema description Other	-0.13	1	1	45 %	48 %
198	Exact Matches in Title Tag Relevancy	-0.13	1	1	13 %	77 %
199	Uses JSON-LD headline Other	-0.13	1	1	15 %	60 %
200	Uses JSON-LD image Other	-0.13	1	1	15 %	70 %

Measures 154544 SEO Factors

152822 Built-In SEO Factors

143595 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