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 Unique LSI Words Used Diversity	-0.31	908	286	67 %	65 %
2	Number of Images Size	-0.3	67	25	51 %	85 %
3	Number of Referring Domains Authority	-0.3	627	62	29 %	92 %
4	Search Result Domain is .com, .net, or .org Other	-0.3	1	1	7 %	86 %
5	Load Time Milliseconds Performance	-0.29	20510	2687	64 %	90 %
6	Number of Backlinks Authority	-0.29	134088	3256	29 %	91 %
7	Search Result Domain is .com Other	-0.29	1	1	7 %	85 %
8	Number of Do Follow Backlinks Authority	-0.29	133206	3172	27 %	90 %
9	Has Meta Charset Technology	-0.28	1	1	52 %	86 %
10	Word Count Size	-0.27	8520	1430	66 %	91 %
11	Number of Images with ALT Text Size	-0.27	53	17	48 %	89 %
12	Unabridged Word Count Size	-0.27	10269	1760	66 %	92 %
13	Clean Text Kilobytes Size	-0.27	61	12	52 %	93 %
14	Number of P Tags Size	-0.27	98	36	51 %	86 %
15	Number of No Follow Backlinks Authority	-0.27	2992	127	20 %	91 %
16	Number of Heading Tags Size	-0.27	42	19	53 %	88 %
17	Number of H1 Tags Size	-0.27	4	1	49 %	87 %
18	Number of Top 200 Shared Factors Used Diversity	-0.27	50	34	77 %	83 %
19	Search Result Number of Dirs in Path Other	-0.26	3	2	59 %	88 %
20	Number of H2 Tags Size	-0.26	12	6	47 %	85 %
21	Number of Top 50 Shared Factors Used Diversity	-0.26	16	10	76 %	81 %
22	Number of HTML Tags Size	-0.26	2216	893	66 %	88 %
23	Number of Top 100 Shared Factors Used Diversity	-0.26	38	25	77 %	82 %
24	Number of Links Authority	-0.25	336	111	60 %	89 %
25	Number of DoFollow Links Authority	-0.25	333	108	61 %	90 %
26	Number of HTTPS Links Authority	-0.25	335	110	60 %	90 %
27	Number of Internal Links Authority	-0.25	312	95	59 %	86 %
28	Number of Factors Used Diversity	-0.24	396	170	78 %	74 %
29	Average Words Per Sentence Size	-0.24	242	26	56 %	87 %
30	Number of HTML Comments Size	-0.24	477	54	48 %	87 %
31	Has JSON-LD Schema Markup Relevancy	-0.24	1	1	35 %	75 %
32	Number of Images without ALT Text Size	-0.24	26	8	36 %	88 %
33	Search Result Host Length Size	-0.23	22	16	63 %	76 %
34	Number of Unique Variations Used Diversity	-0.23	28	11	59 %	63 %
35	Search Result Domain Length Size	-0.23	22	16	63 %	78 %
36	Variations in P Tags Relevancy	-0.23	3443	70	43 %	85 %
37	Variations in H1-H6 Tags Relevancy	-0.23	267	11	43 %	77 %
38	Variations in H1, H2, and H3 Tags Relevancy	-0.23	211	10	43 %	76 %
39	Has Form Technology	-0.23	1	1	31 %	80 %
40	Number of Forms Technology	-0.22	6	2	33 %	85 %
41	Number of External Links Authority	-0.22	38	15	56 %	92 %
42	Variations in A Tags Relevancy	-0.22	4844	77	43 %	76 %
43	Variations in H1 and H2 Tags Relevancy	-0.22	76	5	41 %	76 %
44	Search Result Uses HTTPS Other	-0.22	1	1	61 %	74 %
45	Number of Facebook Pages Authority	-0.22	5	2	38 %	85 %
46	Flesch Kincaid Reading Grade Level Other	-0.22	6	1	74 %	90 %
47	Variations in LI Tags Relevancy	-0.22	1981	42	43 %	85 %
48	Number of H3 Tags Size	-0.22	32	8	40 %	88 %
49	Number of Includes Technology	-0.22	54	23	58 %	82 %
50	Variations in Div Tags Relevancy	-0.22	31244	472	51 %	84 %
51	Number of DoFollow External Links Authority	-0.22	36	14	56 %	93 %
52	Variations in ALT Attributes Relevancy	-0.21	151	8	30 %	76 %
53	Percentage of DoFollow External Links Authority	-0.21	38	15	54 %	74 %
54	Variations in Search Result Document File Name Relevancy	-0.21	7	1	33 %	82 %
55	Page Size Kilobytes Size	-0.21	788	293	65 %	59 %
56	Leading Variations in H1-H6 Tags Relevancy	-0.21	5	2	33 %	73 %
57	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.21	4	2	32 %	73 %
58	LSI Words in Sentences Relevancy	-0.21	3764	575	42 %	90 %
59	Uses JSON-LD name Other	-0.21	1	1	37 %	74 %
60	Variations in H1 Tags Relevancy	-0.21	11	1	38 %	78 %
61	Variations in Body Tags Relevancy	-0.21	97091	1016	60 %	73 %
62	Entities in Sentences Relevancy	-0.21	600	124	45 %	93 %
63	Has Meta Viewport Technology	-0.2	1	1	61 %	78 %
64	Variations in Span Tags Relevancy	-0.2	729	17	33 %	82 %
65	Term Frequency Relevancy	-0.2	6	3	56 %	72 %
66	Variations in Search Result URL Path Relevancy	-0.2	7	1	34 %	81 %
67	Percentage of DoFollow Links Authority	-0.2	99	77	60 %	79 %
68	Percentage of DoFollow Internal Links Authority	-0.2	87	60	57 %	76 %
69	Has Meta Robots Other	-0.2	1	1	19 %	79 %
70	Entities in the HTML Tag Relevancy	-0.2	687	128	49 %	92 %
71	Search Result Summary Length Size	-0.2	154	145	76 %	73 %
72	Number of Social Pages Authority	-0.2	15	5	44 %	87 %
73	Variation Count in Top 30KB Relevancy	-0.2	6580	107	48 %	80 %
74	Variations in H2 Tags Relevancy	-0.2	71	4	34 %	74 %
75	Variations in HTML Tags Relevancy	-0.2	97091	970	57 %	77 %
76	Number Of JSON-LD Types Relevancy	-0.2	67	14	39 %	81 %
77	Number of CSS Includes Technology	-0.2	21	8	54 %	68 %
78	Number of Sentences Size	-0.19	427	122	63 %	85 %
79	Number of Distinct Entities Used Diversity	-0.19	60	22	51 %	90 %
80	Number of Absolute URLs Authority	-0.19	523	221	63 %	68 %
81	Number of Instagram Pages Authority	-0.19	13	3	30 %	87 %
82	Has Privacy Policy Trust	-0.19	1	1	36 %	76 %
83	Number of Questions In Headings Size	-0.19	5	2	26 %	81 %
84	Has Contact Page Trust	-0.19	1	1	35 %	62 %
85	Inline JavaScript Kilobytes Size	-0.19	353	119	60 %	54 %
86	Variations in A Tag HREF Attributes Relevancy	-0.19	2213	58	39 %	80 %
87	Number of Social Accounts Authority	-0.19	5	2	26 %	86 %
88	Number of LinkedIn Pages Authority	-0.19	3	1	20 %	85 %
89	Number of Facebook Accounts Authority	-0.19	3	1	17 %	79 %
90	Has US Phone Number Trust	-0.19	1	1	25 %	80 %
91	Number of US Phone Numbers Trust	-0.19	108	7	26 %	85 %
92	Number of JavaScript Includes Technology	-0.19	40	16	60 %	85 %
93	Variations in Sentences Relevancy	-0.19	3407	82	51 %	79 %
94	Variations in Search Result URL Relevancy	-0.18	13	2	40 %	73 %
95	Uses JSON-LD url Other	-0.18	1	1	34 %	76 %
96	Variations in Distinct A Tag HREF Attributes Relevancy	-0.18	1343	36	40 %	83 %
97	Inline CSS Kilobytes Size	-0.18	154	53	50 %	85 %
98	Variations in Main Tags Relevancy	-0.18	15167	233	26 %	82 %
99	Has Apple Touch Icon Technology	-0.18	1	1	35 %	74 %
100	Entities in H1 Tags	-0.18	5	2	34 %	88 %
101	Is Article Page Other	-0.18	1	1	31 %	63 %
102	Title Length Size	-0.18	129	50	63 %	62 %
103	Title Word Count Size	-0.18	17	8	63 %	65 %
104	Variations in H3 Tags Relevancy	-0.18	135	5	28 %	74 %
105	Entities in H2 Tags	-0.18	20	5	34 %	91 %
106	Headings Has Question Other	-0.18	1	1	27 %	82 %
107	Number of Questions Size	-0.18	38	11	50 %	63 %
108	Has Entities in H1 Tags Relevancy	-0.18	1	1	34 %	86 %
109	Number of Prices Size	-0.18	484	106	51 %	79 %
110	Variations in Absolute URLs Relevancy	-0.18	6009	136	43 %	79 %
111	Uses JSON-LD mainEntity Other	-0.18	1	1	1 %	18 %
112	Leading Variations in H1 Tags Relevancy	-0.17	1	1	21 %	72 %
113	Number Of Claimed Brands Other	-0.17	7	2	17 %	76 %
114	Variations in Meta Description Relevancy	-0.17	44	3	41 %	63 %
115	Has Entities in H2 Tags Relevancy	-0.17	1	1	33 %	88 %
116	Has Terms of Service Trust	-0.17	1	1	26 %	68 %
117	Uses JSON-LD description Other	-0.17	1	1	30 %	69 %
118	Number of H4 Tags Size	-0.17	12	3	22 %	82 %
119	Number of Nofollow Links Authority	-0.17	20	3	16 %	86 %
120	Uses Schema organization Other	-0.17	1	1	23 %	75 %
121	Variations in Nav Tags Relevancy	-0.17	9938	127	32 %	75 %
122	LSI Words in H2 Tags Relevancy	-0.17	48	14	33 %	84 %
123	Has Schema Markup Relevancy	-0.17	1	1	46 %	54 %
124	Variations in Section Tags Relevancy	-0.17	1231	35	27 %	87 %
125	LSI Words in H1 Tags Relevancy	-0.17	9	3	35 %	88 %
126	Variations in First 100 Words Relevancy	-0.17	187	9	44 %	72 %
127	Uses JSON-LD Organization Other	-0.17	1	1	22 %	75 %
128	Uses Schema datemodified Other	-0.17	1	1	22 %	65 %
129	Number of Twitter Accounts Authority	-0.17	2	1	12 %	85 %
130	Number of NoFollow External Links Authority	-0.17	7	2	11 %	82 %
131	Variations in OpenGraph Title Relevancy	-0.17	3	1	39 %	50 %
132	Exact Matches in H1-H6 Tags Relevancy	-0.17	6	1	16 %	69 %
133	Variations in Footer Tags Relevancy	-0.17	4986	68	28 %	71 %
134	Variations in the Title Tag Relevancy	-0.17	4	2	45 %	65 %
135	Variations in Search Result Link Text Relevancy	-0.17	3	2	66 %	63 %
136	Uses JSON-LD datePublished Other	-0.17	1	1	23 %	72 %
137	Number of Questions In H3 Tags Size	-0.17	4	1	14 %	75 %
138	Number of Email Addresses Trust	-0.16	12	3	32 %	74 %
139	Search Result URL Length Size	-0.16	110	71	75 %	38 %
140	Uses JSON-LD ListItem Other	-0.16	1	1	25 %	65 %
141	Uses JSON-LD BreadcrumbList Other	-0.16	1	1	24 %	66 %
142	Exact Matches in the HTML Tag Relevancy	-0.16	324	11	24 %	74 %
143	Is Home Page Other	-0.16	1	1	9 %	52 %
144	Percentage of NoFollow Links Authority	-0.16	6	2	14 %	82 %
145	Uses JSON-LD ImageObject Other	-0.16	1	1	22 %	68 %
146	Has Email Trust	-0.16	1	1	31 %	71 %
147	Uses Schema webpage Other	-0.16	1	1	24 %	63 %
148	Entities in Title Tag Relevancy	-0.16	5	2	44 %	90 %
149	Uses JSON-LD dateModified Other	-0.16	1	1	22 %	66 %
150	Entities in H3 Tags	-0.16	39	6	28 %	90 %
151	Leading Variations in H2 Tags Relevancy	-0.16	3	1	19 %	71 %
152	Number of Meta Generator Tags Technology	-0.16	2	1	23 %	63 %
153	Uses Schema name Other	-0.16	1	1	45 %	54 %
154	Uses JSON-LD WebPage Other	-0.16	1	1	23 %	62 %
155	Is OpenGraph Type Article Technology	-0.16	1	1	21 %	60 %
156	Variation Density in Top 30KB Relevancy	-0.16	298	7	48 %	65 %
157	Variations in the Canonical URL Relevancy	-0.16	39	2	34 %	76 %
158	Uses Schema searchaction Other	-0.16	1	1	14 %	61 %
159	Variations in Script Tags Relevancy	-0.16	29554	337	49 %	68 %
160	Variations in Search Result Display URL Relevancy	-0.16	3	2	67 %	64 %
161	Variations in OpenGraph Description Relevancy	-0.16	4	2	39 %	57 %
162	Has FavIcon Technology	-0.16	1	1	58 %	63 %
163	Exact Matches in Top 30KB Relevancy	-0.16	6	2	15 %	67 %
164	Uses Schema url Other	-0.16	1	1	42 %	49 %
165	Clean Keyword Density in the HTML Tag Relevancy	-0.16	204	8	48 %	56 %
166	Uses JSON-LD SearchAction Other	-0.16	1	1	14 %	63 %
167	Uses Schema headline Other	-0.16	1	1	14 %	67 %
168	Has OpenGraph Image Relevancy	-0.16	1	1	41 %	51 %
169	Has Entities in H3 Tags Relevancy	-0.16	1	1	27 %	87 %
170	Uses Microdata ratingCount Other	-0.15	1	1	1 %	15 %
171	Variations in Strong Tags Relevancy	-0.15	40	3	20 %	82 %
172	Has HREF Lang Technology	-0.15	1	1	8 %	74 %
173	Percentage of NoFollow External Links Authority	-0.15	4	1	10 %	81 %
174	Uses Schema website Other	-0.15	1	1	22 %	61 %
175	LSI Words in H3 Tags Relevancy	-0.15	72	15	28 %	88 %
176	Leading Variations in Title Tag Relevancy	-0.15	1	1	24 %	70 %
177	Has OpenGraph Type Relevancy	-0.15	1	1	46 %	52 %
178	Is Store Page Other	-0.15	1	1	28 %	75 %
179	Uses Microdata AggregateRating Other	-0.15	1	1	1 %	19 %
180	Uses Schema image Other	-0.15	1	1	14 %	74 %
181	Variations in I Tags Relevancy	-0.15	138	5	13 %	77 %
182	Word Count in Meta Description Size	-0.15	26	17	51 %	62 %
183	Has Meta Description Relevancy	-0.15	1	1	49 %	55 %
184	TF/IDF Relevancy	-0.15	1	1	41 %	76 %
185	Uses JSON-LD headline Other	-0.15	1	1	13 %	71 %
186	Number of HREF Lang Tags Size	-0.15	12	2	7 %	80 %
187	Number of Questions In H2 Tags Size	-0.15	2	1	16 %	81 %
188	Uses Schema urltemplate Other	-0.15	1	1	13 %	57 %
189	Has RSS Link Authority	-0.15	1	1	18 %	60 %
190	Meta Description Length Size	-0.15	166	107	52 %	60 %
191	Uses Schema entrypoint Other	-0.15	1	1	13 %	57 %
192	Uses Microdata Brand Other	-0.15	1	1	1 %	17 %
193	Uses JSON-LD urlTemplate Other	-0.15	1	1	13 %	57 %
194	Uses JSON-LD WebSite Other	-0.14	1	1	20 %	65 %
195	Uses JSON-LD EntryPoint Other	-0.14	1	1	13 %	58 %
196	Uses JSON-LD Person Other	-0.14	1	1	14 %	74 %
197	Has Canonical URL Authority	-0.14	1	1	54 %	63 %
198	Uses Schema propertyvaluespecification Other	-0.14	1	1	11 %	54 %
199	Uses Schema valuename Other	-0.14	1	1	11 %	54 %
200	Has Meta Twitter Description Authority	-0.14	1	1	23 %	42 %

Measures 154171 SEO Factors

152449 Built-In SEO Factors

143223 On-page SEO Factors

9226 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