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	Search Result Domain is .com, .net, or .org Other	-0.29	1	1	7 %	82 %
2	Number of Unique LSI Words Used Diversity	-0.29	908	265	67 %	69 %
3	Search Result Domain is .com Other	-0.28	1	1	6 %	82 %
4	Number of Referring Domains Authority	-0.28	627	57	30 %	92 %
5	Load Time Milliseconds Performance	-0.28	20510	2509	66 %	89 %
6	Number of Images Size	-0.28	81	25	53 %	88 %
7	Number of Backlinks Authority	-0.28	134088	2909	30 %	92 %
8	Number of Do Follow Backlinks Authority	-0.28	133206	2819	28 %	90 %
9	Has Meta Charset Technology	-0.26	1	1	54 %	85 %
10	Number of Images with ALT Text Size	-0.26	67	17	49 %	91 %
11	Number of H1 Tags Size	-0.26	4	1	50 %	86 %
12	Number of Heading Tags Size	-0.26	49	19	54 %	88 %
13	Number of No Follow Backlinks Authority	-0.26	5365	146	21 %	92 %
14	Word Count Size	-0.26	8520	1419	67 %	91 %
15	Unabridged Word Count Size	-0.26	10269	1742	67 %	92 %
16	Number of P Tags Size	-0.25	123	37	52 %	87 %
17	Clean Text Kilobytes Size	-0.25	61	12	54 %	92 %
18	Number of Top 200 Shared Factors Used Diversity	-0.25	50	34	79 %	84 %
19	Number of H2 Tags Size	-0.25	13	6	49 %	86 %
20	Number of HTML Tags Size	-0.25	2216	899	67 %	88 %
21	Number of Top 50 Shared Factors Used Diversity	-0.25	16	10	78 %	82 %
22	Number of Top 100 Shared Factors Used Diversity	-0.24	38	25	79 %	84 %
23	Search Result Number of Dirs in Path Other	-0.24	3	2	60 %	83 %
24	Average Words Per Sentence Size	-0.24	242	26	57 %	83 %
25	Number of Links Authority	-0.24	336	111	61 %	88 %
26	Number of DoFollow Links Authority	-0.23	333	108	62 %	89 %
27	Number of HTTPS Links Authority	-0.23	335	110	61 %	89 %
28	Number of Internal Links Authority	-0.23	312	95	60 %	85 %
29	Number of HTML Comments Size	-0.23	477	56	50 %	86 %
30	Number of Factors Used Diversity	-0.23	396	169	80 %	76 %
31	Number of Images without ALT Text Size	-0.23	26	8	38 %	89 %
32	Has JSON-LD Schema Markup Relevancy	-0.22	1	1	37 %	76 %
33	Variations in H1-H6 Tags Relevancy	-0.22	267	10	43 %	80 %
34	Number of Unique Variations Used Diversity	-0.22	44	11	59 %	68 %
35	Search Result Host Length Size	-0.22	22	16	65 %	78 %
36	Variations in H1, H2, and H3 Tags Relevancy	-0.22	211	9	42 %	79 %
37	Variations in P Tags Relevancy	-0.22	3443	63	43 %	86 %
38	Search Result Domain Length Size	-0.22	22	16	65 %	78 %
39	Search Result Uses HTTPS Other	-0.22	1	1	63 %	74 %
40	Number of External Links Authority	-0.22	38	15	57 %	91 %
41	Variations in H1 and H2 Tags Relevancy	-0.21	76	5	41 %	78 %
42	Number of Facebook Pages Authority	-0.21	5	2	39 %	84 %
43	Number of H3 Tags Size	-0.21	33	9	42 %	88 %
44	Has Form Technology	-0.21	1	1	31 %	78 %
45	Number of DoFollow External Links Authority	-0.21	36	14	56 %	92 %
46	Number of Includes Technology	-0.21	54	23	60 %	79 %
47	Variations in Div Tags Relevancy	-0.21	31244	401	51 %	85 %
48	Variations in A Tags Relevancy	-0.21	4844	66	44 %	78 %
49	Variations in LI Tags Relevancy	-0.21	1981	38	44 %	85 %
50	Number of Forms Technology	-0.21	6	2	33 %	84 %
51	Flesch Kincaid Reading Grade Level Other	-0.21	6	1	76 %	89 %
52	Percentage of DoFollow External Links Authority	-0.21	38	14	55 %	75 %
53	LSI Words in Sentences Relevancy	-0.2	3764	583	45 %	92 %
54	Entities in Sentences Relevancy	-0.2	600	124	47 %	94 %
55	Variations in H1 Tags Relevancy	-0.2	11	1	37 %	79 %
56	Page Size Kilobytes Size	-0.2	788	288	65 %	60 %
57	Variations in Search Result Document File Name Relevancy	-0.2	7	1	32 %	82 %
58	Variations in ALT Attributes Relevancy	-0.2	151	7	29 %	81 %
59	Leading Variations in H1-H6 Tags Relevancy	-0.2	5	2	32 %	77 %
60	Entities in the HTML Tag Relevancy	-0.2	687	129	51 %	93 %
61	Uses JSON-LD name Other	-0.2	1	1	39 %	74 %
62	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.2	4	2	30 %	77 %
63	Number of Social Pages Authority	-0.2	15	5	45 %	86 %
64	Variations in Body Tags Relevancy	-0.2	97091	845	60 %	78 %
65	Variation Count in Top 30KB Relevancy	-0.19	6580	92	47 %	79 %
66	Variations in H2 Tags Relevancy	-0.19	71	4	34 %	76 %
67	Has Meta Robots Other	-0.19	1	1	20 %	76 %
68	Number of Distinct Entities Used Diversity	-0.19	60	22	54 %	92 %
69	Has Meta Viewport Technology	-0.19	1	1	62 %	77 %
70	Variations in Span Tags Relevancy	-0.19	729	16	33 %	82 %
71	Percentage of DoFollow Links Authority	-0.19	99	77	61 %	78 %
72	Search Result Summary Length Size	-0.19	196	147	78 %	68 %
73	Percentage of DoFollow Internal Links Authority	-0.19	87	61	58 %	73 %
74	Number of Sentences Size	-0.19	427	123	64 %	85 %
75	Number Of JSON-LD Types Relevancy	-0.19	67	14	41 %	84 %
76	Variations in HTML Tags Relevancy	-0.19	97091	815	58 %	81 %
77	Term Frequency Relevancy	-0.19	6	3	57 %	75 %
78	Variations in Search Result URL Path Relevancy	-0.19	7	1	32 %	81 %
79	Number of CSS Includes Technology	-0.19	21	8	56 %	67 %
80	Inline JavaScript Kilobytes Size	-0.19	353	116	61 %	52 %
81	Number of Questions In Headings Size	-0.18	9	2	27 %	82 %
82	Number of Social Accounts Authority	-0.18	5	2	27 %	85 %
83	Number of Facebook Accounts Authority	-0.18	3	1	17 %	78 %
84	Number of Instagram Pages Authority	-0.18	13	3	31 %	85 %
85	Number of LinkedIn Pages Authority	-0.18	3	1	20 %	81 %
86	Entities in H2 Tags	-0.18	20	6	35 %	92 %
87	Has Apple Touch Icon Technology	-0.18	1	1	36 %	74 %
88	Entities in H1 Tags	-0.18	5	2	35 %	89 %
89	Number of Absolute URLs Authority	-0.18	523	219	64 %	71 %
90	Uses JSON-LD url Other	-0.18	1	1	36 %	75 %
91	Has Contact Page Trust	-0.18	1	1	38 %	61 %
92	Number of JavaScript Includes Technology	-0.18	40	16	61 %	84 %
93	Variations in Sentences Relevancy	-0.18	3407	73	51 %	83 %
94	Has Privacy Policy Trust	-0.18	1	1	37 %	72 %
95	Variations in A Tag HREF Attributes Relevancy	-0.18	2213	55	38 %	81 %
96	Variations in Main Tags Relevancy	-0.18	15167	198	26 %	84 %
97	Variations in H3 Tags Relevancy	-0.18	135	4	28 %	77 %
98	Headings Has Question Other	-0.18	1	1	28 %	81 %
99	Title Length Size	-0.17	129	50	64 %	61 %
100	Has US Phone Number Trust	-0.17	1	1	25 %	78 %
101	Number of US Phone Numbers Trust	-0.17	108	7	27 %	83 %
102	Title Word Count Size	-0.17	17	8	64 %	64 %
103	Uses JSON-LD mainEntity Other	-0.17	1	1	1 %	15 %
104	LSI Words in H2 Tags Relevancy	-0.17	48	14	36 %	86 %
105	Inline CSS Kilobytes Size	-0.17	154	53	51 %	86 %
106	Variations in Distinct A Tag HREF Attributes Relevancy	-0.17	1343	34	39 %	83 %
107	Variations in Search Result URL Relevancy	-0.17	13	2	39 %	74 %
108	Has Entities in H1 Tags Relevancy	-0.17	1	1	36 %	88 %
109	Has Entities in H2 Tags Relevancy	-0.17	1	1	35 %	89 %
110	Is Article Page Other	-0.17	1	1	31 %	68 %
111	Number of Questions Size	-0.17	38	11	50 %	67 %
112	Number of H4 Tags Size	-0.17	12	3	23 %	82 %
113	LSI Words in H1 Tags Relevancy	-0.17	9	3	37 %	88 %
114	Entities in H3 Tags	-0.17	39	6	29 %	91 %
115	Variations in Meta Description Relevancy	-0.17	44	2	40 %	66 %
116	Uses JSON-LD description Other	-0.17	1	1	31 %	69 %
117	Uses JSON-LD Organization Other	-0.17	1	1	23 %	73 %
118	Number of Prices Size	-0.17	484	106	52 %	79 %
119	Uses Schema organization Other	-0.17	1	1	24 %	74 %
120	Number of Questions In H3 Tags Size	-0.17	4	2	15 %	76 %
121	Number of Nofollow Links Authority	-0.16	20	3	16 %	85 %
122	Number Of Claimed Brands Other	-0.16	38	2	18 %	75 %
123	Is Home Page Other	-0.16	1	1	11 %	56 %
124	Leading Variations in H1 Tags Relevancy	-0.16	1	1	19 %	74 %
125	Has Terms of Service Trust	-0.16	1	1	27 %	65 %
126	Variations in Search Result Link Text Relevancy	-0.16	3	2	64 %	66 %
127	Variations in Section Tags Relevancy	-0.16	1231	32	27 %	88 %
128	Variations in Nav Tags Relevancy	-0.16	9938	107	32 %	76 %
129	Uses JSON-LD ListItem Other	-0.16	1	1	25 %	65 %
130	Uses JSON-LD BreadcrumbList Other	-0.16	1	1	25 %	65 %
131	Variations in OpenGraph Title Relevancy	-0.16	3	1	37 %	55 %
132	Entities in Title Tag Relevancy	-0.16	6	2	46 %	92 %
133	Number of Twitter Accounts Authority	-0.16	2	1	12 %	83 %
134	Number of Email Addresses Trust	-0.16	12	4	32 %	72 %
135	Variations in Absolute URLs Relevancy	-0.16	6009	118	41 %	81 %
136	Variations in the Title Tag Relevancy	-0.16	4	2	44 %	66 %
137	Search Result URL Length Size	-0.16	110	70	76 %	38 %
138	Variations in Search Result Display URL Relevancy	-0.16	3	2	65 %	68 %
139	Uses Schema datemodified Other	-0.16	1	1	23 %	67 %
140	Number of NoFollow External Links Authority	-0.16	7	2	11 %	83 %
141	LSI Words in H3 Tags Relevancy	-0.16	72	16	31 %	89 %
142	Exact Matches in the HTML Tag Relevancy	-0.16	324	11	22 %	75 %
143	Leading Variations in H2 Tags Relevancy	-0.16	3	1	18 %	75 %
144	Has Schema Markup Relevancy	-0.16	1	1	47 %	57 %
145	Variations in Footer Tags Relevancy	-0.16	4986	57	28 %	72 %
146	Uses JSON-LD ImageObject Other	-0.16	1	1	23 %	69 %
147	Percentage of NoFollow Links Authority	-0.16	6	2	14 %	83 %
148	Uses JSON-LD datePublished Other	-0.16	1	1	24 %	75 %
149	Uses Microdata ratingCount Other	-0.15	1	1	1 %	12 %
150	Has Email Trust	-0.15	1	1	32 %	67 %
151	Has Entities in H3 Tags Relevancy	-0.15	1	1	29 %	86 %
152	Variations in OpenGraph Description Relevancy	-0.15	4	2	37 %	62 %
153	Variations in Strong Tags Relevancy	-0.15	40	3	20 %	81 %
154	Clean Keyword Density in the HTML Tag Relevancy	-0.15	204	7	47 %	59 %
155	Exact Matches in H1-H6 Tags Relevancy	-0.15	8	1	15 %	74 %
156	Has FavIcon Technology	-0.15	1	1	59 %	63 %
157	Variation Density in Top 30KB Relevancy	-0.15	298	6	46 %	65 %
158	Exact Matches in Top 30KB Relevancy	-0.15	6	2	14 %	69 %
159	Variations in First 100 Words Relevancy	-0.15	187	8	43 %	75 %
160	Variations in Script Tags Relevancy	-0.15	29554	275	48 %	72 %
161	Uses JSON-LD dateModified Other	-0.15	1	1	23 %	68 %
162	Has OpenGraph Image Relevancy	-0.15	1	1	41 %	54 %
163	Number of Meta Generator Tags Technology	-0.15	2	1	24 %	64 %
164	Word Count in Meta Description Size	-0.15	26	17	52 %	61 %
165	Uses Schema webpage Other	-0.15	1	1	24 %	68 %
166	Variations in the Canonical URL Relevancy	-0.15	39	2	33 %	76 %
167	Leading Variations in Title Tag Relevancy	-0.15	1	1	22 %	71 %
168	Uses Schema searchaction Other	-0.15	1	1	15 %	61 %
169	Uses JSON-LD WebPage Other	-0.15	1	1	23 %	65 %
170	Uses Schema name Other	-0.15	1	1	46 %	56 %
171	Uses JSON-LD SearchAction Other	-0.15	1	1	15 %	62 %
172	Is OpenGraph Type Article Technology	-0.15	1	1	22 %	61 %
173	Uses Microdata AggregateRating Other	-0.15	1	1	1 %	16 %
174	Uses Schema website Other	-0.15	1	1	24 %	64 %
175	Number of Questions In H2 Tags Size	-0.15	4	1	17 %	81 %
176	Has HREF Lang Technology	-0.15	1	1	7 %	73 %
177	Uses Schema image Other	-0.15	1	1	15 %	75 %
178	Uses Schema url Other	-0.15	1	1	43 %	52 %
179	Has OpenGraph Type Relevancy	-0.15	1	1	47 %	55 %
180	Percentage of NoFollow External Links Authority	-0.15	4	1	10 %	81 %
181	Is Store Page Other	-0.15	1	1	29 %	74 %
182	Uses Schema governmentorganization Other	-0.15	1	1	2 %	15 %
183	Uses Schema urltemplate Other	-0.14	1	1	13 %	57 %
184	Has Meta Description Relevancy	-0.14	1	1	50 %	57 %
185	Uses Schema entrypoint Other	-0.14	1	1	13 %	57 %
186	Meta Description Length Size	-0.14	166	106	52 %	59 %
187	Uses JSON-LD urlTemplate Other	-0.14	1	1	13 %	58 %
188	Has Canonical URL Authority	-0.14	1	1	55 %	63 %
189	Uses JSON-LD EntryPoint Other	-0.14	1	1	13 %	58 %
190	Uses Schema headline Other	-0.14	1	1	14 %	68 %
191	Variations in I Tags Relevancy	-0.14	138	5	13 %	80 %
192	Number of HREF Lang Tags Size	-0.14	12	2	7 %	78 %
193	Has Google Verify Technology	-0.14	1	1	12 %	72 %
194	Uses JSON-LD WebSite Other	-0.14	1	1	22 %	67 %
195	Uses Microdata Brand Other	-0.14	1	1	1 %	15 %
196	Uses Schema propertyvaluespecification Other	-0.14	1	1	11 %	55 %
197	Uses Schema valuename Other	-0.14	1	1	11 %	55 %
198	Is Category Page Other	-0.14	1	1	11 %	70 %
199	Variations in Article Tags Relevancy	-0.14	356	20	18 %	76 %
200	Uses JSON-LD PropertyValueSpecification Other	-0.14	1	1	11 %	55 %

Measures 154458 SEO Factors

152736 Built-In SEO Factors

143510 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