200 Top SEO Ranking Factors April 2025

TOP SEO Factors for 2025-04 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 Top 50 Shared Factors Used Diversity	-0.35	16	13	84 %	78 %
2	Number of Unique Variations Used Diversity	-0.32	8	5	75 %	78 %
3	Number of Distinct Entities Used Diversity	-0.31	49	29	81 %	100 %
4	Number of Top 200 Shared Factors Used Diversity	-0.31	49	41	89 %	78 %
5	Variations in H1-H6 Tags Relevancy	-0.29	14	8	69 %	67 %
6	Variations in H1 and H2 Tags Relevancy	-0.29	7	5	66 %	67 %
7	Entities in Title Tag Relevancy	-0.29	4	3	66 %	89 %
8	Variations in the Title Tag Relevancy	-0.29	2	2	68 %	67 %
9	Clean Keyword Density in the HTML Tag Relevancy	-0.28	4	3	64 %	78 %
10	Entities in the HTML Tag Relevancy	-0.27	352	148	78 %	100 %
11	Number of Top 100 Shared Factors Used Diversity	-0.27	37	31	90 %	89 %
12	Entities in Sentences Relevancy	-0.27	347	145	77 %	100 %
13	TF/IDF Relevancy	-0.26	1	1	57 %	78 %
14	Variations in H2 Tags Relevancy	-0.26	6	4	42 %	67 %
15	Title Tag Has Entities Relevancy	-0.26	1	1	62 %	78 %
16	Variations in H1, H2, and H3 Tags Relevancy	-0.25	13	8	71 %	78 %
17	Variations in A Tags Relevancy	-0.25	48	21	71 %	100 %
18	LSI Words in H2 Tags Relevancy	-0.25	100	34	68 %	89 %
19	Variations in First 100 Words Relevancy	-0.25	13	5	56 %	78 %
20	Exact Matches in the HTML Tag Relevancy	-0.25	290	77	37 %	78 %
21	Leading Variations in H1-H6 Tags Relevancy	-0.25	6	3	49 %	89 %
22	Uses JSON-LD CreativeWorkSeries Other	-0.25	1	1	3 %	11 %
23	Uses Schema creativeworkseries Other	-0.25	1	1	3 %	11 %
24	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.24	6	3	47 %	89 %
25	Search Result Domain Length Size	-0.24	22	19	87 %	33 %
26	Search Result Host Length Size	-0.24	22	19	87 %	33 %
27	Entities in H2 Tags	-0.24	25	10	55 %	100 %
28	Number of Unique LSI Words Used Diversity	-0.24	640	312	80 %	89 %
29	Load Time Milliseconds Performance	-0.24	5135	1723	80 %	89 %
30	Variation Count in Top 30KB Relevancy	-0.24	33	23	62 %	56 %
31	Variations in Meta Description Relevancy	-0.24	2	2	56 %	67 %
32	LSI Words in Title Tag Relevancy	-0.24	14	7	77 %	100 %
33	Number of Heading Tags Size	-0.23	33	26	82 %	67 %
34	Variations in Div Tags Relevancy	-0.23	341	125	77 %	100 %
35	Variations in Search Result Display URL Relevancy	-0.23	2	1	79 %	78 %
36	Variations in Search Result Link Text Relevancy	-0.23	2	1	79 %	78 %
37	Uses JSON-LD returnFees Other	-0.23	1	1	9 %	11 %
38	Uses JSON-LD returnMethod Other	-0.23	1	1	9 %	11 %
39	Uses Microdata name Other	-0.23	1	1	11 %	33 %
40	Uses Schema returnfees Other	-0.23	1	1	9 %	11 %
41	Uses Schema returnmethod Other	-0.23	1	1	9 %	11 %
42	Variations in LI Tags Relevancy	-0.23	38	17	68 %	89 %
43	Term Frequency Relevancy	-0.23	4	3	75 %	89 %
44	Variations in Sentences Relevancy	-0.23	160	43	65 %	89 %
45	Has Entities in H2 Tags Relevancy	-0.23	1	1	52 %	78 %
46	Uses Schema faqpage Other	-0.23	1	1	7 %	67 %
47	Variations in P Tags Relevancy	-0.23	60	27	67 %	89 %
48	Variations in OpenGraph Description Relevancy	-0.23	3	2	51 %	67 %
49	LSI Words in Sentences Relevancy	-0.23	2268	926	80 %	100 %
50	Exact Matches in Title Tag Relevancy	-0.22	1	1	34 %	67 %
51	Number of H2 Tags Size	-0.22	13	8	71 %	78 %
52	Number of Factors Used Diversity	-0.22	223	178	89 %	78 %
53	Variations in Body Tags Relevancy	-0.22	1100	288	77 %	100 %
54	Variations in HTML Tags Relevancy	-0.22	1100	288	77 %	100 %
55	Number of Images with ALT Text Size	-0.22	50	28	74 %	89 %
56	Variations Making Whole Span Tags Relevancy	-0.22	2	1	19 %	78 %
57	Exact Matches in H1 Tags Relevancy	-0.22	1	1	32 %	56 %
58	Variations Making Whole Strong Tags Relevancy	-0.22	1	1	9 %	44 %
59	Uses Schema aggregaterating Other	-0.22	1	1	11 %	67 %
60	Variations in the last 100 words Relevancy	-0.22	9	4	47 %	56 %
61	Variations in Span Tags Relevancy	-0.21	14	9	52 %	89 %
62	Variation Density in Top 30KB Relevancy	-0.21	3	2	63 %	67 %
63	Number of Questions Size	-0.21	40	13	61 %	100 %
64	Variations in OpenGraph Title Relevancy	-0.21	2	1	59 %	56 %
65	Variations in H1 Tags Relevancy	-0.21	2	1	59 %	67 %
66	Uses JSON-LD depth Other	-0.21	1	1	2 %	11 %
67	Uses JSON-LD model Other	-0.21	1	1	2 %	11 %
68	Uses JSON-LD weight Other	-0.21	1	1	2 %	11 %
69	Uses Microdata title Other	-0.21	1	1	1 %	11 %
70	Uses Schema depth Other	-0.21	1	1	2 %	11 %
71	Uses Schema model Other	-0.21	1	1	2 %	11 %
72	Uses Schema title Other	-0.21	1	1	1 %	11 %
73	Uses Schema weight Other	-0.21	1	1	2 %	11 %
74	Uses JSON-LD AggregateRating Other	-0.21	1	1	10 %	67 %
75	Variations in ALT Attributes Relevancy	-0.2	38	12	51 %	89 %
76	Leading Variations in H1 Tags Relevancy	-0.2	1	1	35 %	67 %
77	Exact Matches in H1-H6 Tags Relevancy	-0.2	9	3	29 %	89 %
78	Variations in the Canonical URL Relevancy	-0.2	3	2	53 %	67 %
79	Number of Images Size	-0.2	60	39	78 %	89 %
80	Uses Microdata description Other	-0.2	1	1	5 %	33 %
81	Uses Microdata Enumeration Other	-0.2	1	1	2 %	11 %
82	Uses Schema enumeration Other	-0.2	1	1	2 %	11 %
83	Search Result Number of Dirs in Path Other	-0.2	3	2	66 %	78 %
84	Search Result Uses HTTPS Other	-0.2	1	1	80 %	56 %
85	Uses Schema pricecurrency Other	-0.2	1	1	19 %	44 %
86	Entities in H3 Tags	-0.2	13	7	44 %	89 %
87	Search Result Domain is .com Other	-0.2	1	1	5 %	78 %
88	Search Result Domain is .com, .net, or .org Other	-0.2	1	1	5 %	78 %
89	Uses JSON-LD FAQPage Other	-0.2	1	1	6 %	67 %
90	Uses Schema question Other	-0.2	1	1	7 %	78 %
91	Variations in Nav Tags Relevancy	-0.2	41	16	49 %	89 %
92	Leading Variations in Title Tag Relevancy	-0.19	1	1	38 %	67 %
93	Uses Schema availability Other	-0.19	1	1	16 %	44 %
94	Uses Schema answer Other	-0.19	1	1	7 %	78 %
95	Variations in Search Result URL Path Relevancy	-0.19	2	1	46 %	67 %
96	Exact Matches in Sentences Relevancy	-0.19	92	20	27 %	78 %
97	Variations in A Tag HREF Attributes Relevancy	-0.19	94	41	61 %	100 %
98	Leading Variations in H2 Tags Relevancy	-0.19	3	1	24 %	78 %
99	Unabridged Word Count Size	-0.19	2793	1771	84 %	78 %
100	Number of H3 Tags Size	-0.19	14	11	69 %	67 %
101	Number of HTML Tags Size	-0.19	2396	1352	81 %	100 %
102	Uses JSON-LD GeoCircle Other	-0.19	1	1	3 %	22 %
103	Uses JSON-LD merchantReturnDays Other	-0.19	1	1	4 %	11 %
104	Uses Schema geocircle Other	-0.19	1	1	3 %	22 %
105	Uses Schema merchantreturndays Other	-0.19	1	1	4 %	11 %
106	Number of External Links Authority	-0.19	25	13	77 %	89 %
107	Word Count Size	-0.19	2297	1464	84 %	78 %
108	Has Meta Viewport Technology	-0.19	1	1	77 %	67 %
109	Uses Schema ratingvalue Other	-0.19	1	1	12 %	67 %
110	Inline CSS Kilobytes Size	-0.19	80	58	66 %	89 %
111	Uses Microdata url Other	-0.19	1	1	9 %	33 %
112	Variations in Absolute URLs Relevancy	-0.19	131	50	60 %	100 %
113	Number of JavaScript Includes Technology	-0.19	34	21	77 %	78 %
114	Exact Matches in Top 30KB Relevancy	-0.19	9	3	23 %	56 %
115	Uses JSON-LD MerchantReturnPolicy Other	-0.19	1	1	6 %	22 %
116	Uses Schema merchantreturnpolicy Other	-0.19	1	1	6 %	22 %
117	LSI Words in H1 Tags Relevancy	-0.18	13	6	71 %	89 %
118	Number of H1 Tags Size	-0.18	2	2	74 %	67 %
119	Page Size Kilobytes Size	-0.18	568	331	81 %	100 %
120	Has Google Verify Technology	-0.18	1	1	30 %	56 %
121	Has Privacy Policy Trust	-0.18	1	1	59 %	89 %
122	Number of DoFollow External Links Authority	-0.18	24	12	76 %	89 %
123	Percentage of DoFollow Links Authority	-0.18	97	88	79 %	78 %
124	Variations in Footer Tags Relevancy	-0.18	11	5	29 %	67 %
125	Clean Text Kilobytes Size	-0.18	18	12	83 %	78 %
126	Has YouTube Embed Technology	-0.18	1	1	4 %	44 %
127	Number of Social Accounts Authority	-0.18	2	2	42 %	78 %
128	Number of Sentences Size	-0.18	430	145	80 %	100 %
129	Uses JSON-LD applicableCountry Other	-0.18	1	1	5 %	22 %
130	Uses Schema applicablecountry Other	-0.18	1	1	5 %	22 %
131	Has Terms of Service Trust	-0.18	1	1	45 %	78 %
132	Number of US Phone Numbers Trust	-0.18	130	25	27 %	78 %
133	Uses JSON-LD Answer Other	-0.18	1	1	6 %	78 %
134	Uses JSON-LD Question Other	-0.18	1	1	6 %	78 %
135	Uses Schema bestrating Other	-0.18	1	1	7 %	44 %
136	Number of Email Addresses Trust	-0.18	6	4	40 %	89 %
137	Uses JSON-LD id Other	-0.18	1	1	2 %	22 %
138	Uses Schema id Other	-0.18	1	1	2 %	22 %
139	Variations in Search Result URL Relevancy	-0.18	2	1	45 %	89 %
140	Has US Phone Number Trust	-0.18	1	1	18 %	56 %
141	Title Word Count Size	-0.18	10	8	80 %	56 %
142	Uses JSON-LD availability Other	-0.18	1	1	14 %	44 %
143	LSI Words in H3 Tags Relevancy	-0.18	91	37	64 %	89 %
144	Has Entities in H1 Tags Relevancy	-0.18	1	1	53 %	78 %
145	Uses JSON-LD returnPolicyCategory Other	-0.18	1	1	5 %	22 %
146	Uses JSON-LD text Other	-0.18	1	1	6 %	78 %
147	Uses Schema returnpolicycategory Other	-0.18	1	1	5 %	22 %
148	Variations making whole A Tags Relevancy	-0.17	2	1	25 %	67 %
149	Number of HTTPS Links Authority	-0.17	343	193	83 %	78 %
150	Exact Matches in H2 Tags Relevancy	-0.17	4	1	15 %	89 %
151	Variations in Distinct A Tag HREF Attributes Relevancy	-0.17	70	27	61 %	100 %
152	Number of Links Authority	-0.17	344	197	83 %	78 %
153	Entities in H4 Tags	-0.17	3	2	24 %	78 %
154	Uses Microdata reviewRating Other	-0.17	1	1	2 %	44 %
155	Uses Schema reviewrating Other	-0.17	1	1	2 %	44 %
156	Uses JSON-LD ratingValue Other	-0.17	1	1	10 %	67 %
157	Number of DoFollow Links Authority	-0.17	337	194	83 %	78 %
158	Number of Prices Size	-0.17	157	70	72 %	89 %
159	Entities in H1 Tags	-0.17	3	2	58 %	100 %
160	Variations making whole H1, H2, and H3 Tags Relevancy	-0.17	1	1	10 %	89 %
161	Entities in Meta Description Tag Relevancy	-0.17	5	3	59 %	100 %
162	Uses JSON-LD bestRating Other	-0.17	1	1	9 %	33 %
163	Uses JSON-LD contentRating Other	-0.17	1	1	1 %	11 %
164	Uses JSON-LD CreativeWork Other	-0.17	1	1	1 %	11 %
165	Uses JSON-LD DefinedRegion Other	-0.17	1	1	9 %	11 %
166	Uses JSON-LD OpeningHoursSpecification Other	-0.17	1	1	5 %	33 %
167	Uses JSON-LD QuantitativeValue Other	-0.17	1	1	9 %	11 %
168	Uses JSON-LD Review Other	-0.17	1	1	5 %	44 %
169	Uses JSON-LD ShippingDeliveryTime Other	-0.17	1	1	9 %	11 %
170	Uses JSON-LD unitCode Other	-0.17	1	1	9 %	11 %
171	Uses Microdata contentRating Other	-0.17	1	1	1 %	11 %
172	Uses Microdata starRating Other	-0.17	1	1	1 %	11 %
173	Uses Schema contentrating Other	-0.17	1	1	1 %	11 %
174	Uses Schema definedregion Other	-0.17	1	1	9 %	11 %
175	Uses Schema openinghoursspecification Other	-0.17	1	1	5 %	33 %
176	Uses Schema quantitativevalue Other	-0.17	1	1	9 %	11 %
177	Uses Schema shippingdeliverytime Other	-0.17	1	1	9 %	11 %
178	Uses Schema starrating Other	-0.17	1	1	1 %	11 %
179	Uses Schema unitcode Other	-0.17	1	1	9 %	11 %
180	Entities in H5 Tags	-0.17	1	1	10 %	56 %
181	Number of Internal Links Authority	-0.17	335	185	83 %	78 %
182	Number of Absolute URLs Authority	-0.17	403	288	81 %	100 %
183	Variations making whole H1-H6 Tags Relevancy	-0.17	1	1	11 %	89 %
184	Uses Microdata price Other	-0.17	1	1	3 %	33 %
185	Uses Schema servicetype Other	-0.17	1	1	3 %	22 %
186	LSI Words in H4 Tags Relevancy	-0.17	26	10	37 %	89 %
187	Uses JSON-LD priceCurrency Other	-0.17	1	1	15 %	56 %
188	Uses Microdata priceCurrency Other	-0.17	1	1	5 %	22 %
189	Uses Microdata Rating Other	-0.17	1	1	2 %	44 %
190	Inline JavaScript Kilobytes Size	-0.16	234	105	80 %	89 %
191	Has Entities in H4 Tags Relevancy	-0.16	1	1	23 %	67 %
192	Uses Schema offer Other	-0.16	1	1	14 %	67 %
193	Variations in Script Tags Relevancy	-0.16	634	130	63 %	100 %
194	Number of HTML Comments Size	-0.16	77	46	76 %	78 %
195	Uses Schema product Other	-0.16	1	1	21 %	33 %
196	Number of Bytes to First Match Size	-0.16	1091820	717417	95 %	33 %
197	Number Of JSON-LD Types Relevancy	-0.16	52	15	55 %	78 %
198	Uses JSON-LD releaseDate Other	-0.16	1	1	1 %	22 %
199	Uses Schema releasedate Other	-0.16	1	1	1 %	22 %
200	Uses Schema review Other	-0.16	1	1	7 %	44 %

Measures 139822 SEO Factors

138100 Built-In SEO Factors

129273 On-page SEO Factors

8827 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 2025-04 previous