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 %	87 %
2	Number of Do Follow Backlinks Authority	-0.27	133206	2200	28 %	86 %
3	Number of Backlinks Authority	-0.27	134088	2283	32 %	88 %
4	Number of Unique LSI Words Used Diversity	-0.27	908	281	71 %	73 %
5	Load Time Milliseconds Performance	-0.26	20510	2225	71 %	87 %
6	Search Result Domain is .com, .net, or .org Other	-0.26	1	1	7 %	81 %
7	Search Result Domain is .com Other	-0.25	1	1	6 %	80 %
8	Number of No Follow Backlinks Authority	-0.25	5365	150	22 %	88 %
9	Number of Images Size	-0.25	81	27	58 %	89 %
10	Number of P Tags Size	-0.24	123	40	58 %	88 %
11	Number of Images with ALT Text Size	-0.24	67	20	54 %	90 %
12	Unabridged Word Count Size	-0.24	12848	1918	72 %	91 %
13	Word Count Size	-0.24	10144	1559	72 %	90 %
14	Number of Top 200 Shared Factors Used Diversity	-0.23	51	36	84 %	85 %
15	Number of Heading Tags Size	-0.23	49	21	60 %	90 %
16	Number of H1 Tags Size	-0.23	4	1	55 %	85 %
17	Clean Text Kilobytes Size	-0.23	82	13	58 %	92 %
18	Has Meta Charset Technology	-0.23	1	1	59 %	86 %
19	Number of Top 50 Shared Factors Used Diversity	-0.23	16	11	84 %	80 %
20	Number of Top 100 Shared Factors Used Diversity	-0.23	38	27	84 %	85 %
21	Number of H2 Tags Size	-0.23	14	7	54 %	85 %
22	Number of HTML Tags Size	-0.22	2216	937	71 %	87 %
23	Average Words Per Sentence Size	-0.22	242	25	61 %	78 %
24	Number of Links Authority	-0.22	336	111	66 %	87 %
25	Search Result Number of Dirs in Path Other	-0.22	3	2	62 %	77 %
26	Number of DoFollow Links Authority	-0.22	333	108	66 %	88 %
27	Has JSON-LD Schema Markup Relevancy	-0.22	1	1	42 %	76 %
28	Number of HTTPS Links Authority	-0.22	335	110	66 %	88 %
29	Number of Factors Used Diversity	-0.22	396	177	85 %	77 %
30	Number of Internal Links Authority	-0.21	312	97	64 %	84 %
31	Variations in H1, H2, and H3 Tags Relevancy	-0.21	211	9	49 %	84 %
32	Variations in H1-H6 Tags Relevancy	-0.21	267	11	49 %	85 %
33	Number of Unique Variations Used Diversity	-0.21	48	12	66 %	74 %
34	Variations in P Tags Relevancy	-0.21	3443	64	50 %	88 %
35	Number of HTML Comments Size	-0.21	492	68	55 %	85 %
36	Variations in H1 and H2 Tags Relevancy	-0.21	76	5	47 %	81 %
37	Variations in Div Tags Relevancy	-0.2	31244	380	58 %	86 %
38	Number of Images without ALT Text Size	-0.2	29	8	42 %	87 %
39	Number of Facebook Pages Authority	-0.2	5	2	43 %	88 %
40	Number of Includes Technology	-0.2	54	23	65 %	78 %
41	Variations in LI Tags Relevancy	-0.2	1981	39	49 %	84 %
42	Number of External Links Authority	-0.2	38	13	61 %	90 %
43	Variations in A Tags Relevancy	-0.2	4844	62	50 %	81 %
44	Number of H3 Tags Size	-0.2	33	9	47 %	90 %
45	Search Result Host Length Size	-0.2	22	16	70 %	76 %
46	Search Result Uses HTTPS Other	-0.2	1	1	68 %	69 %
47	Search Result Domain Length Size	-0.2	22	16	70 %	76 %
48	Number of DoFollow External Links Authority	-0.2	36	12	60 %	90 %
49	Number of Distinct Entities Used Diversity	-0.19	60	22	57 %	92 %
50	Entities in Sentences Relevancy	-0.19	1891	150	50 %	94 %
51	LSI Words in Sentences Relevancy	-0.19	3764	647	50 %	94 %
52	Has Form Technology	-0.19	1	1	34 %	72 %
53	Variations in H2 Tags Relevancy	-0.19	71	4	41 %	80 %
54	Variations in Body Tags Relevancy	-0.19	97091	883	66 %	82 %
55	Variations in H1 Tags Relevancy	-0.19	11	1	42 %	80 %
56	Entities in the HTML Tag Relevancy	-0.19	1892	154	54 %	93 %
57	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.19	5	2	34 %	81 %
58	Flesch Kincaid Reading Grade Level Other	-0.19	6	1	81 %	87 %
59	Variations in Search Result Document File Name Relevancy	-0.19	7	1	37 %	84 %
60	Variation Count in Top 30KB Relevancy	-0.19	6580	90	53 %	76 %
61	Uses JSON-LD name Other	-0.19	1	1	44 %	72 %
62	Number of Instagram Pages Authority	-0.19	13	2	34 %	86 %
63	Variations in ALT Attributes Relevancy	-0.19	151	7	35 %	82 %
64	Number of Forms Technology	-0.19	6	2	36 %	79 %
65	Variations in HTML Tags Relevancy	-0.19	97091	862	64 %	84 %
66	Leading Variations in H1-H6 Tags Relevancy	-0.19	6	2	37 %	83 %
67	Percentage of DoFollow External Links Authority	-0.19	38	13	59 %	77 %
68	Term Frequency Relevancy	-0.18	6	3	63 %	75 %
69	Number of Social Pages Authority	-0.18	15	5	49 %	88 %
70	Number of LinkedIn Pages Authority	-0.18	4	1	23 %	82 %
71	Variations in Span Tags Relevancy	-0.18	729	17	40 %	83 %
72	Page Size Kilobytes Size	-0.18	788	297	70 %	58 %
73	Number of CSS Includes Technology	-0.18	21	8	59 %	67 %
74	Percentage of DoFollow Links Authority	-0.18	99	78	65 %	74 %
75	Variations in Sentences Relevancy	-0.18	3407	81	58 %	85 %
76	Number of Questions In Headings Size	-0.18	9	3	32 %	84 %
77	Entities in H2 Tags	-0.18	28	6	39 %	94 %
78	Number Of JSON-LD Types Relevancy	-0.18	67	17	45 %	84 %
79	Percentage of DoFollow Internal Links Authority	-0.18	87	64	63 %	68 %
80	Number of Social Accounts Authority	-0.18	5	2	29 %	83 %
81	Variations in H3 Tags Relevancy	-0.18	135	5	34 %	83 %
82	Number of Sentences Size	-0.18	541	142	69 %	86 %
83	Has Meta Viewport Technology	-0.18	1	1	67 %	72 %
84	Variations in A Tag HREF Attributes Relevancy	-0.18	2213	60	45 %	82 %
85	Number of Facebook Accounts Authority	-0.18	3	1	19 %	80 %
86	Has Meta Robots Other	-0.17	1	1	22 %	76 %
87	Variations in Search Result URL Path Relevancy	-0.17	7	1	38 %	83 %
88	Search Result Summary Length Size	-0.17	216	149	84 %	68 %
89	Variations in Distinct A Tag HREF Attributes Relevancy	-0.17	1343	37	45 %	83 %
90	LSI Words in H2 Tags Relevancy	-0.17	68	17	41 %	88 %
91	Inline JavaScript Kilobytes Size	-0.17	557	120	65 %	50 %
92	Headings Has Question Other	-0.17	1	1	32 %	80 %
93	Number of Absolute URLs Authority	-0.17	523	227	69 %	69 %
94	Has Privacy Policy Trust	-0.17	1	1	42 %	63 %
95	Title Length Size	-0.17	129	50	68 %	56 %
96	Has Contact Page Trust	-0.17	1	1	46 %	59 %
97	Variations in Main Tags Relevancy	-0.17	15167	194	29 %	84 %
98	Number of Questions In H3 Tags Size	-0.17	5	2	18 %	80 %
99	Uses JSON-LD url Other	-0.17	1	1	39 %	73 %
100	Entities in H1 Tags	-0.17	5	2	39 %	90 %
101	Has Apple Touch Icon Technology	-0.17	1	1	40 %	75 %
102	Number of JavaScript Includes Technology	-0.17	40	16	66 %	80 %
103	Is Home Page Other	-0.17	1	1	13 %	57 %
104	Variations in Meta Description Relevancy	-0.17	44	2	48 %	69 %
105	Entities in H3 Tags	-0.16	39	7	33 %	93 %
106	Inline CSS Kilobytes Size	-0.16	154	54	55 %	84 %
107	Variations in Nav Tags Relevancy	-0.16	9938	94	37 %	80 %
108	Has Entities in H2 Tags Relevancy	-0.16	1	1	39 %	90 %
109	Variations in Search Result Link Text Relevancy	-0.16	10	2	71 %	71 %
110	Title Word Count Size	-0.16	17	8	69 %	61 %
111	Has US Phone Number Trust	-0.16	1	1	27 %	72 %
112	Variations in OpenGraph Title Relevancy	-0.16	7	2	45 %	58 %
113	Variation Density in Top 30KB Relevancy	-0.16	298	7	52 %	64 %
114	Variations in Absolute URLs Relevancy	-0.16	6009	114	48 %	82 %
115	Variations in Search Result URL Relevancy	-0.16	13	2	46 %	77 %
116	Variations in Search Result Display URL Relevancy	-0.16	10	2	72 %	72 %
117	Number of US Phone Numbers Trust	-0.16	108	8	29 %	81 %
118	Entities in Title Tag Relevancy	-0.16	10	3	50 %	93 %
119	Leading Variations in H2 Tags Relevancy	-0.16	3	1	21 %	77 %
120	Has Entities in H1 Tags Relevancy	-0.16	1	1	39 %	88 %
121	Variations in the Title Tag Relevancy	-0.16	10	2	52 %	69 %
122	Variations in OpenGraph Description Relevancy	-0.16	24	2	43 %	63 %
123	LSI Words in H3 Tags Relevancy	-0.16	72	19	36 %	92 %
124	Number Of Claimed Brands Other	-0.16	38	3	20 %	76 %
125	Leading Variations in H1 Tags Relevancy	-0.16	1	1	21 %	78 %
126	Variations in First 100 Words Relevancy	-0.16	187	9	51 %	76 %
127	Is Article Page Other	-0.16	1	1	34 %	67 %
128	Variations in Section Tags Relevancy	-0.16	1231	34	31 %	84 %
129	Uses JSON-LD description Other	-0.15	1	1	35 %	70 %
130	Has Schema Markup Relevancy	-0.15	1	1	53 %	56 %
131	Clean Keyword Density in the HTML Tag Relevancy	-0.15	204	7	54 %	62 %
132	Number of Prices Size	-0.15	484	114	58 %	79 %
133	Exact Matches in the HTML Tag Relevancy	-0.15	324	10	27 %	80 %
134	Leading Variations in Title Tag Relevancy	-0.15	1	1	25 %	76 %
135	LSI Words in H1 Tags Relevancy	-0.15	9	4	41 %	87 %
136	Variations in Footer Tags Relevancy	-0.15	4986	52	34 %	76 %
137	Number of Email Addresses Trust	-0.15	19	4	35 %	74 %
138	Uses Schema organization Other	-0.15	1	1	27 %	69 %
139	Number of Questions Size	-0.15	55	14	57 %	73 %
140	Uses Schema name Other	-0.15	1	1	50 %	53 %
141	Number of Nofollow Links Authority	-0.15	20	3	17 %	82 %
142	Uses JSON-LD Organization Other	-0.15	1	1	26 %	69 %
143	Variations in Script Tags Relevancy	-0.15	29554	276	55 %	73 %
144	Number of Twitter Accounts Authority	-0.15	2	1	13 %	82 %
145	Has FavIcon Technology	-0.15	1	1	63 %	60 %
146	Variations in the Canonical URL Relevancy	-0.15	39	2	39 %	75 %
147	Exact Matches in H1-H6 Tags Relevancy	-0.15	8	1	17 %	78 %
148	Has Terms of Service Trust	-0.15	1	1	31 %	59 %
149	Number of H4 Tags Size	-0.15	12	3	25 %	82 %
150	Has Entities in H3 Tags Relevancy	-0.15	1	1	32 %	87 %
151	Number of NoFollow External Links Authority	-0.15	7	2	12 %	84 %
152	Exact Matches in Top 30KB Relevancy	-0.15	8	2	17 %	75 %
153	Has OpenGraph Image Relevancy	-0.15	1	1	44 %	52 %
154	Variations in Strong Tags Relevancy	-0.15	40	3	23 %	80 %
155	Has OpenGraph Type Relevancy	-0.15	1	1	52 %	54 %
156	Has Canonical URL Authority	-0.15	1	1	59 %	59 %
157	Word Count in Meta Description Size	-0.15	54	18	58 %	63 %
158	Uses JSON-LD ImageObject Other	-0.15	1	1	25 %	65 %
159	Uses Schema datemodified Other	-0.14	1	1	25 %	66 %
160	Number of Questions In H2 Tags Size	-0.14	4	1	20 %	82 %
161	Uses Schema url Other	-0.14	1	1	48 %	51 %
162	Uses JSON-LD ListItem Other	-0.14	1	1	29 %	66 %
163	Uses JSON-LD datePublished Other	-0.14	1	1	26 %	72 %
164	Meta Description Length Size	-0.14	394	114	58 %	62 %
165	Uses JSON-LD BreadcrumbList Other	-0.14	1	1	29 %	66 %
166	Number of Meta Generator Tags Technology	-0.14	2	1	26 %	65 %
167	Percentage of NoFollow Links Authority	-0.14	7	2	15 %	80 %
168	Is Store Page Other	-0.14	1	1	33 %	71 %
169	Has Email Trust	-0.14	1	1	35 %	67 %
170	Is OpenGraph Type Article Technology	-0.14	1	1	23 %	57 %
171	TF/IDF Relevancy	-0.14	1	1	47 %	74 %
172	Uses JSON-LD dateModified Other	-0.14	1	1	25 %	67 %
173	Has Meta Description Relevancy	-0.14	1	1	56 %	57 %
174	Variations Making Whole Span Tags Relevancy	-0.14	5	1	17 %	76 %
175	Entities in Meta Description Tag Relevancy	-0.14	17	3	43 %	88 %
176	Uses JSON-LD WebPage Other	-0.14	1	1	26 %	66 %
177	Search Result URL Length Size	-0.14	110	67	82 %	40 %
178	Uses Schema image Other	-0.14	1	1	16 %	71 %
179	Exact Matches in Title Tag Relevancy	-0.14	1	1	15 %	76 %
180	Variations in Article Tags Relevancy	-0.14	356	20	19 %	76 %
181	Variations in I Tags Relevancy	-0.14	138	4	15 %	82 %
182	Uses Schema webpage Other	-0.14	1	1	27 %	68 %
183	Uses Schema searchaction Other	-0.14	1	1	18 %	64 %
184	Uses JSON-LD SearchAction Other	-0.14	1	1	18 %	65 %
185	Uses Microdata Brand Other	-0.14	1	1	1 %	11 %
186	LSI Words in Title Tag Relevancy	-0.14	11	5	50 %	80 %
187	Percentage of NoFollow External Links Authority	-0.14	4	1	11 %	82 %
188	Has HREF Lang Technology	-0.14	1	1	9 %	74 %
189	Uses Microdata AggregateRating Other	-0.13	1	1	2 %	17 %
190	Uses Schema addresslocality Other	-0.13	1	1	18 %	66 %
191	Search Result Has Unmodified Page Title Other	-0.13	1	1	36 %	53 %
192	Variations Making Whole LI Tags Relevancy	-0.13	7	1	21 %	78 %
193	Uses Microdata ratingCount Other	-0.13	1	1	2 %	13 %
194	Uses Schema telephone Other	-0.13	1	1	20 %	62 %
195	Variations in Search Result Summary Relevancy	-0.13	43	3	71 %	67 %
196	Has Meta Twitter Card Authority	-0.13	1	1	46 %	49 %
197	Uses Schema headline Other	-0.13	1	1	14 %	60 %
198	Uses Schema postaladdress Other	-0.13	1	1	18 %	68 %
199	Has RSS Link Authority	-0.13	1	1	21 %	58 %
200	Has Google Verify Technology	-0.13	1	1	14 %	72 %

Measures 154471 SEO Factors

152749 Built-In SEO Factors

143523 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