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 %	51 %
2	Number of Do Follow Backlinks Authority	-0.27	133206	2200	28 %	50 %
3	Number of Backlinks Authority	-0.27	134088	2283	32 %	51 %
4	Number of No Follow Backlinks Authority	-0.25	5365	150	22 %	51 %
5	Number of Unique LSI Words Used Diversity	-0.24	908	260	76 %	76 %
6	Load Time Milliseconds Performance	-0.24	21244	2042	77 %	85 %
7	Search Result Domain is .com, .net, or .org Other	-0.23	1	1	7 %	77 %
8	Search Result Domain is .com Other	-0.22	1	1	7 %	76 %
9	Number of Images Size	-0.22	81	26	63 %	88 %
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	91 %	84 %
12	Number of Includes Technology	-0.21	54	23	68 %	78 %
13	Number of Top 100 Shared Factors Used Diversity	-0.21	38	27	91 %	83 %
14	Number of Top 50 Shared Factors Used Diversity	-0.21	16	11	90 %	81 %
15	Number of P Tags Size	-0.21	204	39	62 %	86 %
16	Word Count Size	-0.21	10144	1475	77 %	88 %
17	Unabridged Word Count Size	-0.21	12848	1815	77 %	88 %
18	Number of Images with ALT Text Size	-0.21	67	19	59 %	88 %
19	Number of H1 Tags Size	-0.21	4	1	60 %	83 %
20	Has Meta Charset Technology	-0.21	1	1	64 %	83 %
21	Clean Text Kilobytes Size	-0.2	82	12	63 %	89 %
22	Number of Facebook Pages Authority	-0.2	10	2	45 %	85 %
23	Number of Heading Tags Size	-0.2	70	20	64 %	88 %
24	Number of H2 Tags Size	-0.2	21	7	58 %	84 %
25	Number of HTML Tags Size	-0.2	2555	897	77 %	85 %
26	Number of CSS Includes Technology	-0.2	21	8	63 %	72 %
27	Variations in H1, H2, and H3 Tags Relevancy	-0.19	211	9	52 %	84 %
28	Search Result Number of Dirs in Path Other	-0.19	4	2	68 %	76 %
29	Variations in P Tags Relevancy	-0.19	3443	62	54 %	86 %
30	Number of HTTPS Links Authority	-0.19	335	106	70 %	84 %
31	Number of DoFollow Links Authority	-0.19	333	105	70 %	84 %
32	Number of Links Authority	-0.19	336	107	70 %	84 %
33	Variations in H1-H6 Tags Relevancy	-0.19	267	10	53 %	85 %
34	Number of Unique Variations Used Diversity	-0.19	48	13	72 %	75 %
35	Number of Factors Used Diversity	-0.19	396	176	91 %	79 %
36	Number of Internal Links Authority	-0.19	312	94	69 %	82 %
37	Variations in Div Tags Relevancy	-0.19	31244	353	63 %	84 %
38	Variations in H1 and H2 Tags Relevancy	-0.19	76	5	51 %	81 %
39	Average Words Per Sentence Size	-0.19	242	26	66 %	78 %
40	Variations in LI Tags Relevancy	-0.19	1981	37	53 %	83 %
41	Number of Distinct Entities Used Diversity	-0.19	60	23	66 %	91 %
42	Number of Instagram Pages Authority	-0.19	13	2	35 %	82 %
43	Variations in A Tags Relevancy	-0.19	4844	58	54 %	81 %
44	Entities in Sentences Relevancy	-0.18	1891	140	57 %	93 %
45	Variations in Search Result Document File Name Relevancy	-0.18	7	1	39 %	82 %
46	Number of Images without ALT Text Size	-0.18	36	8	45 %	86 %
47	Entities in H2 Tags	-0.18	46	6	43 %	92 %
48	Number of HTML Comments Size	-0.18	492	59	59 %	84 %
49	Entities in the HTML Tag Relevancy	-0.18	1892	144	61 %	92 %
50	Number of External Links Authority	-0.18	38	13	65 %	88 %
51	Variations in H2 Tags Relevancy	-0.18	71	4	42 %	80 %
52	Flesch Kincaid Reading Grade Level Other	-0.18	6	1	87 %	84 %
53	Number of LinkedIn Pages Authority	-0.18	4	1	24 %	80 %
54	Number of H3 Tags Size	-0.18	37	9	50 %	86 %
55	Variations in Body Tags Relevancy	-0.18	97091	758	69 %	80 %
56	Search Result Host Length Size	-0.18	22	16	76 %	77 %
57	Variations in H1 Tags Relevancy	-0.18	11	1	44 %	76 %
58	LSI Words in Sentences Relevancy	-0.18	3764	615	55 %	94 %
59	Search Result Domain Length Size	-0.18	22	16	76 %	77 %
60	Has Form Technology	-0.18	1	1	38 %	71 %
61	Number of DoFollow External Links Authority	-0.18	36	12	64 %	88 %
62	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.17	11	2	37 %	81 %
63	Variations in HTML Tags Relevancy	-0.17	97091	742	68 %	82 %
64	Variation Count in Top 30KB Relevancy	-0.17	6580	80	57 %	77 %
65	Leading Variations in H1-H6 Tags Relevancy	-0.17	12	2	39 %	82 %
66	Search Result Uses HTTPS Other	-0.17	1	1	74 %	72 %
67	Uses JSON-LD name Other	-0.17	1	1	47 %	71 %
68	Variations in ALT Attributes Relevancy	-0.17	151	8	38 %	81 %
69	Variations in Sentences Relevancy	-0.17	3407	75	62 %	82 %
70	Entities in H1 Tags	-0.17	5	2	43 %	88 %
71	Number of Facebook Accounts Authority	-0.17	3	1	19 %	79 %
72	Number of Forms Technology	-0.17	12	2	39 %	77 %
73	Percentage of DoFollow External Links Authority	-0.17	38	12	63 %	76 %
74	Number of Social Pages Authority	-0.17	18	5	51 %	81 %
75	Number Of JSON-LD Types Relevancy	-0.17	77	17	48 %	81 %
76	Variations in Span Tags Relevancy	-0.17	729	16	43 %	84 %
77	Number of Questions In Headings Size	-0.17	9	2	33 %	82 %
78	Entities in Title Tag Relevancy	-0.17	14	3	56 %	91 %
79	Number of Social Accounts Authority	-0.17	5	2	31 %	80 %
80	Variations in Search Result URL Path Relevancy	-0.16	9	1	41 %	80 %
81	Term Frequency Relevancy	-0.16	6	3	68 %	76 %
82	Percentage of DoFollow Links Authority	-0.16	99	78	71 %	75 %
83	Variations in A Tag HREF Attributes Relevancy	-0.16	2213	56	49 %	84 %
84	Entities in H3 Tags	-0.16	63	7	36 %	93 %
85	Number of Sentences Size	-0.16	541	137	74 %	83 %
86	Variations in Main Tags Relevancy	-0.16	15167	180	31 %	80 %
87	Variations in Distinct A Tag HREF Attributes Relevancy	-0.16	1343	35	49 %	83 %
88	Page Size Kilobytes Size	-0.16	933	284	75 %	60 %
89	Percentage of DoFollow Internal Links Authority	-0.16	91	66	68 %	68 %
90	Headings Has Question Other	-0.16	1	1	33 %	76 %
91	Has Entities in H2 Tags Relevancy	-0.16	1	1	44 %	87 %
92	Uses JSON-LD url Other	-0.16	1	1	43 %	70 %
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	Variations in H3 Tags Relevancy	-0.16	135	4	34 %	84 %
96	Is Home Page Other	-0.16	1	1	14 %	55 %
97	Has Meta Robots Other	-0.16	1	1	24 %	74 %
98	Variations in Nav Tags Relevancy	-0.16	9938	90	40 %	80 %
99	Variations in Search Result Link Text Relevancy	-0.15	10	2	75 %	68 %
100	Is Article Page Other	-0.15	1	1	36 %	67 %
101	Has Entities in H1 Tags Relevancy	-0.15	1	1	44 %	86 %
102	Inline CSS Kilobytes Size	-0.15	154	53	59 %	83 %
103	Number of Questions In H3 Tags Size	-0.15	5	2	18 %	76 %
104	Variations in Search Result Display URL Relevancy	-0.15	10	2	75 %	68 %
105	Variations in OpenGraph Title Relevancy	-0.15	7	2	47 %	59 %
106	Variations in First 100 Words Relevancy	-0.15	187	9	56 %	77 %
107	Number of Absolute URLs Authority	-0.15	1127	235	75 %	70 %
108	Variations in Meta Description Relevancy	-0.15	44	2	50 %	69 %
109	Variations in the Title Tag Relevancy	-0.15	31	2	54 %	70 %
110	Variations in Absolute URLs Relevancy	-0.15	6009	98	52 %	82 %
111	Number of Twitter Accounts Authority	-0.15	2	1	14 %	79 %
112	Variations in Search Result URL Relevancy	-0.15	20	2	49 %	73 %
113	Uses JSON-LD description Other	-0.15	1	1	38 %	66 %
114	Variation Density in Top 30KB Relevancy	-0.15	298	6	57 %	68 %
115	Inline JavaScript Kilobytes Size	-0.15	557	114	71 %	55 %
116	Has US Phone Number Trust	-0.15	1	1	31 %	71 %
117	Uses JSON-LD mainEntity Other	-0.15	1	1	1 %	11 %
118	Title Length Size	-0.15	240	54	74 %	64 %
119	Number of JavaScript Includes Technology	-0.15	40	16	71 %	78 %
120	Title Word Count Size	-0.15	29	8	75 %	65 %
121	Has Contact Page Trust	-0.15	1	1	48 %	60 %
122	Search Result Summary Length Size	-0.15	235	154	90 %	69 %
123	Variations in Footer Tags Relevancy	-0.15	4986	44	35 %	77 %
124	Variations in Section Tags Relevancy	-0.15	1231	33	34 %	83 %
125	Has Apple Touch Icon Technology	-0.15	1	1	43 %	74 %
126	Leading Variations in H1 Tags Relevancy	-0.15	1	1	21 %	74 %
127	Number Of Claimed Brands Other	-0.15	38	3	21 %	76 %
128	Leading Variations in H2 Tags Relevancy	-0.15	4	1	22 %	79 %
129	LSI Words in H1 Tags Relevancy	-0.15	13	4	45 %	87 %
130	Has Privacy Policy Trust	-0.15	1	1	45 %	65 %
131	Clean Keyword Density in the HTML Tag Relevancy	-0.15	204	7	59 %	66 %
132	Number of US Phone Numbers Trust	-0.15	108	8	32 %	83 %
133	Variations in the Canonical URL Relevancy	-0.15	44	2	43 %	74 %
134	Variations in OpenGraph Description Relevancy	-0.14	27	2	45 %	66 %
135	Number of Email Addresses Trust	-0.14	19	4	38 %	74 %
136	Number of Questions In H2 Tags Size	-0.14	4	1	21 %	81 %
137	Exact Matches in the HTML Tag Relevancy	-0.14	324	9	25 %	82 %
138	Variations in Strong Tags Relevancy	-0.14	43	3	24 %	81 %
139	LSI Words in H3 Tags Relevancy	-0.14	72	18	39 %	90 %
140	Uses Schema name Other	-0.14	1	1	54 %	51 %
141	Has Schema Markup Relevancy	-0.14	1	1	56 %	55 %
142	Number of H4 Tags Size	-0.14	12	3	28 %	79 %
143	Number of Questions Size	-0.14	55	13	59 %	71 %
144	Entities in Meta Description Tag Relevancy	-0.14	17	3	49 %	84 %
145	Variations in Script Tags Relevancy	-0.14	29554	228	58 %	74 %
146	Number of Prices Size	-0.14	484	108	61 %	77 %
147	Is OpenGraph Type Article Technology	-0.14	1	1	26 %	60 %
148	Uses Schema webpage Other	-0.14	1	1	29 %	66 %
149	Uses JSON-LD datePublished Other	-0.14	1	1	28 %	68 %
150	Uses JSON-LD WebPage Other	-0.14	1	1	28 %	65 %
151	Has Entities in H3 Tags Relevancy	-0.14	1	1	36 %	85 %
152	Leading Variations in Title Tag Relevancy	-0.14	1	1	26 %	74 %
153	Uses Schema organization Other	-0.14	1	1	29 %	65 %
154	Uses Schema datemodified Other	-0.14	1	1	27 %	67 %
155	Uses JSON-LD ImageObject Other	-0.14	1	1	27 %	70 %
156	Number of Nofollow Links Authority	-0.14	23	3	18 %	80 %
157	Word Count in Meta Description Size	-0.14	54	18	62 %	64 %
158	Variations in Article Tags Relevancy	-0.14	668	21	21 %	77 %
159	Meta Description Length Size	-0.14	394	115	62 %	63 %
160	Has Email Trust	-0.14	1	1	38 %	66 %
161	Has Meta Description Relevancy	-0.14	1	1	59 %	57 %
162	Uses Schema url Other	-0.14	1	1	51 %	52 %
163	TF/IDF Relevancy	-0.14	1	1	51 %	71 %
164	Number of Meta Generator Tags Technology	-0.13	2	1	28 %	72 %
165	Has FavIcon Technology	-0.13	1	1	67 %	60 %
166	Exact Matches in Top 30KB Relevancy	-0.13	9	2	16 %	77 %
167	Has Terms of Service Trust	-0.13	1	1	31 %	58 %
168	Uses JSON-LD Organization Other	-0.13	1	1	28 %	68 %
169	Uses JSON-LD dateModified Other	-0.13	1	1	26 %	68 %
170	Has Canonical URL Authority	-0.13	1	1	64 %	59 %
171	LSI Words in Title Tag Relevancy	-0.13	28	5	55 %	83 %
172	Uses Schema website Other	-0.13	1	1	30 %	66 %
173	Has OpenGraph Type Relevancy	-0.13	1	1	55 %	59 %
174	Number of NoFollow External Links Authority	-0.13	9	2	13 %	79 %
175	Exact Matches in H1-H6 Tags Relevancy	-0.13	8	1	16 %	81 %
176	Variations in I Tags Relevancy	-0.13	138	5	17 %	79 %
177	Variations Making Whole Span Tags Relevancy	-0.13	24	1	18 %	78 %
178	Has OpenGraph Image Relevancy	-0.13	1	1	48 %	54 %
179	Has RSS Link Authority	-0.13	1	1	23 %	63 %
180	Variations Making Whole LI Tags Relevancy	-0.13	7	1	22 %	77 %
181	Variations making whole A Tags Relevancy	-0.13	22	2	26 %	77 %
182	Percentage of NoFollow Links Authority	-0.13	7	2	16 %	77 %
183	Uses JSON-LD BreadcrumbList Other	-0.13	1	1	31 %	65 %
184	Uses JSON-LD ListItem Other	-0.13	1	1	31 %	65 %
185	Search Result URL Length Size	-0.13	206	65	90 %	41 %
186	Entities in H4 Tags	-0.13	10	2	15 %	90 %
187	Uses JSON-LD SearchAction Other	-0.13	1	1	19 %	64 %
188	Uses Schema searchaction Other	-0.13	1	1	19 %	63 %
189	Has XMLRPC Technology	-0.13	1	1	22 %	64 %
190	LSI Words in Meta Description Tag Relevancy	-0.13	29	9	48 %	81 %
191	Is Store Page Other	-0.13	1	1	34 %	67 %
192	Uses Schema addressregion Other	-0.13	1	1	18 %	58 %
193	Uses JSON-LD WebSite Other	-0.13	1	1	27 %	69 %
194	Uses Schema postaladdress Other	-0.13	1	1	19 %	63 %
195	Uses Schema addresslocality Other	-0.13	1	1	19 %	64 %
196	Search Result Has Unmodified Page Title Other	-0.13	1	1	37 %	59 %
197	Uses Schema image Other	-0.13	1	1	18 %	66 %
198	Uses JSON-LD image Other	-0.13	1	1	15 %	69 %
199	Uses Schema description Other	-0.13	1	1	45 %	48 %
200	Uses Schema telephone Other	-0.13	1	1	20 %	61 %

Measures 154548 SEO Factors

152826 Built-In SEO Factors

143599 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