200 Top SEO Ranking Factors May 2026

TOP SEO Factors for 2026-05 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	-0.24	880	319	84 %	81 %
2	Number of Top 200 Shared Factors Used Diversity	-0.22	51	38	98 %	95 %
3	Number of Top 100 Shared Factors Used Diversity	-0.21	38	29	97 %	97 %
4	Entities in Sentences Relevancy	-0.21	1308	154	69 %	95 %
5	Number of Distinct Entities Used Diversity	-0.21	59	30	80 %	97 %
6	Number of Top 50 Shared Factors Used Diversity	-0.21	16	12	97 %	94 %
7	Number of Unique Variations Used Diversity	-0.21	19	7	77 %	88 %
8	Entities in the HTML Tag Relevancy	-0.21	1436	158	74 %	95 %
9	Variations in H1, H2, and H3 Tags Relevancy	-0.21	378	13	59 %	89 %
10	Search Result Domain is .com, .net, or .org Other	-0.21	1	1	6 %	79 %
11	Load Time Milliseconds Performance	-0.21	3860	1192	83 %	91 %
12	Entities in Title Tag Relevancy	-0.21	7	3	67 %	93 %
13	Variations in H1-H6 Tags Relevancy	-0.2	409	15	60 %	90 %
14	Variations in H1 and H2 Tags Relevancy	-0.2	287	8	58 %	91 %
15	Variations in P Tags Relevancy	-0.2	4557	138	62 %	91 %
16	Entities in H1 Tags	-0.2	5	2	52 %	88 %
17	Entities in H2 Tags	-0.2	46	7	52 %	96 %
18	Search Result Domain is .com Other	-0.2	1	1	6 %	80 %
19	Entities in H3 Tags	-0.19	40	8	44 %	94 %
20	Number of Backlinks Authority	-0.19	380292	15689	53 %	74 %
21	Variations in Search Result Document File Name Relevancy	-0.19	8	2	44 %	81 %
22	Variations in Div Tags Relevancy	-0.19	68329	1280	70 %	89 %
23	Number of Referring Domains Authority	-0.19	3169	241	53 %	75 %
24	Number of Factors Used Diversity	-0.19	271	173	98 %	90 %
25	Number of Do Follow Backlinks Authority	-0.18	325053	12955	49 %	74 %
26	Word Count Size	-0.18	3327	1442	83 %	91 %
27	Variations in H2 Tags Relevancy	-0.18	280	7	45 %	89 %
28	Unabridged Word Count Size	-0.18	9873	1904	83 %	91 %
29	LSI Words in Sentences Relevancy	-0.18	2378	776	62 %	95 %
30	Variations in H1 Tags Relevancy	-0.18	20	2	50 %	86 %
31	Number of Heading Tags Size	-0.18	45	22	71 %	89 %
32	Variations in Search Result URL Path Relevancy	-0.18	10	2	45 %	83 %
33	Has Entities in H1 Tags Relevancy	-0.18	1	1	54 %	87 %
34	Variations in Body Tags Relevancy	-0.18	93621	1282	75 %	87 %
35	Clean Text Kilobytes Size	-0.18	54	13	70 %	90 %
36	Variations in LI Tags Relevancy	-0.18	2914	94	59 %	88 %
37	Number of HTML Tags Size	-0.18	2805	1055	83 %	85 %
38	Variations in HTML Tags Relevancy	-0.18	93621	1267	74 %	89 %
39	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.18	32	2	41 %	83 %
40	Number of P Tags Size	-0.18	114	39	70 %	91 %
41	Variations in Sentences Relevancy	-0.17	8372	189	69 %	91 %
42	Number of Internal Links Authority	-0.17	619	125	75 %	86 %
43	Variations in Main Tags Relevancy	-0.17	40166	692	38 %	87 %
44	Number of HTTPS Links Authority	-0.17	623	139	76 %	87 %
45	Leading Variations in H1-H6 Tags Relevancy	-0.17	36	3	42 %	83 %
46	Variations in A Tag HREF Attributes Relevancy	-0.17	2876	92	55 %	84 %
47	Number of Links Authority	-0.17	624	140	76 %	87 %
48	Variations in A Tags Relevancy	-0.17	9305	168	61 %	86 %
49	Number of DoFollow Links Authority	-0.17	614	136	77 %	87 %
50	Number of Images Size	-0.17	309	32	71 %	91 %
51	Term Frequency Relevancy	-0.17	6	3	74 %	90 %
52	Has Entities in H2 Tags Relevancy	-0.17	1	1	53 %	88 %
53	Variations in Distinct A Tag HREF Attributes Relevancy	-0.17	1808	59	55 %	86 %
54	Number of No Follow Backlinks Authority	-0.17	61104	2704	40 %	71 %
55	Number of H2 Tags Size	-0.17	23	7	64 %	89 %
56	Variations in the Title Tag Relevancy	-0.17	23	2	63 %	82 %
57	Variations in the Canonical URL Relevancy	-0.17	50	3	47 %	82 %
58	Variations in H3 Tags Relevancy	-0.17	123	6	34 %	85 %
59	Number of H1 Tags Size	-0.17	3	1	66 %	91 %
60	Number of H3 Tags Size	-0.17	26	9	55 %	83 %
61	Number of Images with ALT Text Size	-0.16	304	22	65 %	88 %
62	Variations in Search Result URL Relevancy	-0.16	21	2	55 %	75 %
63	Variations in Span Tags Relevancy	-0.16	1077	30	47 %	87 %
64	LSI Words in H2 Tags Relevancy	-0.16	91	21	53 %	95 %
65	Search Result Number of Dirs in Path Other	-0.16	3	2	72 %	78 %
66	Entities in Meta Description Tag Relevancy	-0.16	19	3	58 %	88 %
67	Variation Count in Top 30KB Relevancy	-0.16	4928	97	63 %	90 %
68	Variations in First 100 Words Relevancy	-0.16	177	10	61 %	81 %
69	Variations in Search Result Display URL Relevancy	-0.16	19	2	78 %	78 %
70	Variations in Search Result Link Text Relevancy	-0.16	19	2	78 %	78 %
71	Has Entities in H3 Tags Relevancy	-0.16	1	1	45 %	88 %
72	Number of DoFollow External Links Authority	-0.16	33	14	72 %	86 %
73	Clean Keyword Density in the HTML Tag Relevancy	-0.16	203	12	67 %	75 %
74	Number of External Links Authority	-0.16	36	15	73 %	87 %
75	Variations in Absolute URLs Relevancy	-0.16	14393	334	58 %	87 %
76	Average Words Per Sentence Size	-0.16	172	29	74 %	82 %
77	Is Home Page Other	-0.16	1	1	20 %	36 %
78	LSI Words in H1 Tags Relevancy	-0.16	10	4	53 %	93 %
79	LSI Words in Title Tag Relevancy	-0.15	13	6	66 %	90 %
80	Variation Density in Top 30KB Relevancy	-0.15	310	15	60 %	78 %
81	Title Tag Has Entities Relevancy	-0.15	1	1	68 %	83 %
82	Number of Images without ALT Text Size	-0.15	32	10	53 %	89 %
83	Variations in OpenGraph Title Relevancy	-0.15	16	2	54 %	83 %
84	Variations in Section Tags Relevancy	-0.15	1250	46	36 %	91 %
85	Number of HTML Comments Size	-0.15	179	44	66 %	86 %
86	Title Word Count Size	-0.15	28	8	81 %	72 %
87	Number of Sentences Size	-0.15	612	148	80 %	86 %
88	TF/IDF Relevancy	-0.15	2	1	58 %	87 %
89	Leading Variations in H1 Tags Relevancy	-0.15	2	1	27 %	78 %
90	Number of Facebook Pages Authority	-0.15	4	2	53 %	80 %
91	Variations in OpenGraph Description Relevancy	-0.15	45	3	48 %	75 %
92	Variations in ALT Attributes Relevancy	-0.15	588	12	42 %	86 %
93	Flesch Kincaid Reading Grade Level Other	-0.15	6	1	93 %	86 %
94	Title Length Size	-0.15	100	51	80 %	73 %
95	LSI Words in H3 Tags Relevancy	-0.15	97	23	46 %	90 %
96	Percentage of DoFollow Links Authority	-0.15	97	79	76 %	90 %
97	Variations in Meta Description Relevancy	-0.15	49	3	53 %	80 %
98	Exact Matches in the HTML Tag Relevancy	-0.15	242	12	32 %	85 %
99	Number Of JSON-LD Types Relevancy	-0.15	55	13	53 %	86 %
100	Number of Questions In Headings Size	-0.15	6	2	34 %	86 %
101	Has US Phone Number Trust	-0.14	1	1	37 %	67 %
102	Variations in Nav Tags Relevancy	-0.14	7034	205	43 %	85 %
103	Search Result Domain Length Size	-0.14	23	16	82 %	78 %
104	Search Result Host Length Size	-0.14	23	16	82 %	78 %
105	Percentage of DoFollow Internal Links Authority	-0.14	89	68	75 %	83 %
106	Leading Variations in Title Tag Relevancy	-0.14	1	1	30 %	81 %
107	Percentage of DoFollow External Links Authority	-0.14	22	12	71 %	79 %
108	Has Meta Charset Technology	-0.14	1	1	72 %	84 %
109	Entities in H4 Tags	-0.14	21	2	20 %	89 %
110	Number of US Phone Numbers Trust	-0.14	249	12	37 %	81 %
111	Variations in Script Tags Relevancy	-0.14	52712	824	63 %	85 %
112	Number of Includes Technology	-0.14	68	26	78 %	74 %
113	Leading Variations in H2 Tags Relevancy	-0.14	22	1	22 %	81 %
114	Has Privacy Policy Trust	-0.14	1	1	60 %	75 %
115	Variations in Strong Tags Relevancy	-0.14	289	7	24 %	75 %
116	Search Result Uses HTTPS Other	-0.14	1	1	83 %	87 %
117	Number of JavaScript Includes Technology	-0.14	46	18	77 %	75 %
118	Variations making whole A Tags Relevancy	-0.14	115	4	27 %	76 %
119	Has Terms of Service Trust	-0.14	1	1	43 %	71 %
120	Number of Forms Technology	-0.14	10	2	48 %	83 %
121	Number of Social Accounts Authority	-0.14	8	2	38 %	85 %
122	Number of Questions In H2 Tags Size	-0.14	3	1	23 %	78 %
123	LSI Words in Meta Description Tag Relevancy	-0.14	23	10	55 %	89 %
124	Has JSON-LD Schema Markup Relevancy	-0.14	1	1	51 %	83 %
125	Exact Matches in Sentences Relevancy	-0.14	37	4	23 %	85 %
126	Inline CSS Kilobytes Size	-0.14	189	60	64 %	83 %
127	Has Form Technology	-0.14	1	1	47 %	78 %
128	Meta Description Length Size	-0.14	196	116	65 %	75 %
129	Headings Has Question Other	-0.14	1	1	35 %	81 %
130	Variations in Footer Tags Relevancy	-0.13	6817	97	33 %	82 %
131	Variations making whole H1-H6 Tags Relevancy	-0.13	3	1	15 %	75 %
132	Word Count in Meta Description Size	-0.13	47	19	65 %	79 %
133	Number of Absolute URLs Authority	-0.13	617	273	82 %	82 %
134	Has Canonical URL Authority	-0.13	1	1	69 %	79 %
135	Has Meta Viewport Technology	-0.13	1	1	80 %	80 %
136	Page Size Kilobytes Size	-0.13	748	346	82 %	71 %
137	Exact Matches in H1-H6 Tags Relevancy	-0.13	8	1	20 %	81 %
138	Has OpenGraph Image Relevancy	-0.13	1	1	54 %	70 %
139	Number of LinkedIn Pages Authority	-0.13	8	1	30 %	78 %
140	Number of H4 Tags Size	-0.13	23	4	33 %	80 %
141	Leading Variations in H3 Tags Relevancy	-0.13	9	1	16 %	71 %
142	Variations Making Whole Span Tags Relevancy	-0.13	4	1	18 %	82 %
143	Uses JSON-LD name Other	-0.13	1	1	50 %	83 %
144	Variations making whole H1, H2, and H3 Tags Relevancy	-0.13	3	1	13 %	76 %
145	Number of Social Pages Authority	-0.13	25	4	60 %	82 %
146	Number of Instagram Pages Authority	-0.13	23	2	40 %	78 %
147	Number of CSS Includes Technology	-0.13	22	9	71 %	71 %
148	Uses JSON-LD description Other	-0.13	1	1	38 %	74 %
149	Uses Schema sku Other	-0.13	1	1	7 %	21 %
150	Meta Description Tag Has Entities Relevancy	-0.13	1	1	60 %	80 %
151	Number of Questions In H3 Tags Size	-0.13	4	2	17 %	80 %
152	Number of Prices Size	-0.13	453	101	66 %	81 %
153	Variations Making Whole LI Tags Relevancy	-0.13	5	1	21 %	81 %
154	Uses Schema brand Other	-0.13	1	1	7 %	43 %
155	Number of Facebook Accounts Authority	-0.13	2	1	26 %	73 %
156	Exact Matches in Top 30KB Relevancy	-0.13	14	2	19 %	82 %
157	Number of Questions Size	-0.13	63	12	64 %	85 %
158	Variations in B Tags Relevancy	-0.13	204	7	11 %	77 %
159	Uses JSON-LD ListItem Other	-0.13	1	1	31 %	73 %
160	Has Entities in H4 Tags Relevancy	-0.12	1	1	20 %	75 %
161	Uses JSON-LD BreadcrumbList Other	-0.12	1	1	31 %	73 %
162	Uses JSON-LD sku Other	-0.12	1	1	7 %	21 %
163	Variations in Article Tags Relevancy	-0.12	3771	65	21 %	73 %
164	Variations in ID Attributes Relevancy	-0.12	1696	32	18 %	82 %
165	Uses JSON-LD url Other	-0.12	1	1	46 %	80 %
166	Number Of Claimed Brands Other	-0.12	60	3	24 %	86 %
167	Has Schema Markup Relevancy	-0.12	1	1	62 %	73 %
168	Is Article Page Other	-0.12	1	1	40 %	69 %
169	Variations in Button Tags Relevancy	-0.12	5433	89	14 %	86 %
170	Number of Nofollow Links Authority	-0.12	15	4	22 %	81 %
171	Uses Schema product Other	-0.12	1	1	10 %	47 %
172	Variations in the last 100 words Relevancy	-0.12	176	8	44 %	73 %
173	Uses JSON-LD Organization Other	-0.12	1	1	30 %	77 %
174	Has Meta Description Relevancy	-0.12	1	1	64 %	75 %
175	Uses Schema aggregaterating Other	-0.12	1	1	9 %	63 %
176	Number of Twitter Accounts Authority	-0.12	5	1	21 %	79 %
177	Uses Schema name Other	-0.12	1	1	58 %	75 %
178	Uses Schema latitude Other	-0.12	1	1	9 %	34 %
179	Uses Schema longitude Other	-0.12	1	1	9 %	34 %
180	Uses JSON-LD latitude Other	-0.12	1	1	8 %	35 %
181	Uses JSON-LD longitude Other	-0.12	1	1	8 %	35 %
182	Has Contact Page Trust	-0.12	1	1	59 %	71 %
183	Has FavIcon Technology	-0.12	1	1	74 %	76 %
184	Has OpenGraph Type Relevancy	-0.12	1	1	60 %	77 %
185	Variations in I Tags Relevancy	-0.12	568	12	19 %	77 %
186	Exact Matches in Title Tag Relevancy	-0.12	1	1	17 %	80 %
187	Variations in H4-H6 Tags Relevancy	-0.12	40	2	17 %	75 %
188	Uses JSON-LD GeoCoordinates Other	-0.12	1	1	14 %	41 %
189	Variations in TITLE Attributes Relevancy	-0.12	1571	19	33 %	81 %
190	Inline JavaScript Kilobytes Size	-0.12	534	141	77 %	66 %
191	Number of Email Addresses Trust	-0.12	13	4	39 %	76 %
192	Number of H5 Tags Size	-0.12	6	2	16 %	77 %
193	Uses JSON-LD AggregateRating Other	-0.12	1	1	8 %	67 %
194	Uses Schema organization Other	-0.12	1	1	32 %	77 %
195	Search Result Summary Length Size	-0.12	160	152	98 %	62 %
196	Uses Schema geocoordinates Other	-0.12	1	1	14 %	41 %
197	Search Result URL Length Size	-0.12	93	61	97 %	60 %
198	Uses JSON-LD Product Other	-0.12	1	1	9 %	46 %
199	Number of NoFollow External Links Authority	-0.12	10	2	15 %	79 %
200	Uses Schema url Other	-0.12	1	1	53 %	71 %

Measures 150531 SEO Factors

148809 Built-In SEO Factors

139607 On-page SEO Factors

9202 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

SEO Factor Class

SEO Factor Type

Compare Top SEO Factors By Month

TOP SEO Factors for 2026-05 previous