200 Top SEO Ranking Factors May 2025

TOP SEO Factors for 2025-5 previous - today - next

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 Variations Used Diversity	-0.27	33	7	75 %	85 %
2	Number of Unique LSI Words Used Diversity	-0.25	1046	286	81 %	78 %
3	Number of Top 200 Shared Factors Used Diversity	-0.24	52	38	93 %	92 %
4	Number of Top 100 Shared Factors Used Diversity	-0.24	39	29	94 %	92 %
5	Entities in Title Tag Relevancy	-0.24	8	3	64 %	86 %
6	Number of Distinct Entities Used Diversity	-0.24	75	27	74 %	88 %
7	Number of Top 50 Shared Factors Used Diversity	-0.24	17	12	93 %	86 %
8	Variations in Body Tags Relevancy	-0.23	156621	589	74 %	87 %
9	Variations in Search Result Link Text Relevancy	-0.23	14	2	73 %	81 %
10	Search Result Domain is .com, .net, or .org Other	-0.23	1	1	5 %	71 %
11	Variations in HTML Tags Relevancy	-0.23	156621	586	74 %	87 %
12	Variations in H1 and H2 Tags Relevancy	-0.23	165	4	59 %	85 %
13	Variations in Search Result Display URL Relevancy	-0.23	14	2	74 %	86 %
14	Variations in the Title Tag Relevancy	-0.22	19	2	61 %	81 %
15	Load Time Milliseconds Performance	-0.22	29023	1781	82 %	91 %
16	Variations in Div Tags Relevancy	-0.22	35415	206	70 %	86 %
17	Variations in Sentences Relevancy	-0.22	3790	42	67 %	87 %
18	Variations in H1, H2, and H3 Tags Relevancy	-0.22	237	7	62 %	86 %
19	Variations in H1-H6 Tags Relevancy	-0.22	251	8	63 %	85 %
20	Clean Keyword Density in the HTML Tag Relevancy	-0.22	189	4	65 %	79 %
21	Variations in P Tags Relevancy	-0.22	6005	45	65 %	87 %
22	Search Result Domain is .com Other	-0.22	1	1	4 %	75 %
23	Number of Factors Used Diversity	-0.22	427	181	94 %	90 %
24	Term Frequency Relevancy	-0.21	6	3	74 %	87 %
25	Entities in the HTML Tag Relevancy	-0.21	661	130	70 %	90 %
26	Entities in Sentences Relevancy	-0.2	657	127	69 %	90 %
27	Variations in H1 Tags Relevancy	-0.2	56	1	51 %	81 %
28	Variations in Search Result Document File Name Relevancy	-0.2	13	1	41 %	82 %
29	Entities in H2 Tags	-0.2	38	6	51 %	88 %
30	Entities in H1 Tags	-0.2	10	2	53 %	84 %
31	Variations in H2 Tags Relevancy	-0.2	110	3	44 %	84 %
32	LSI Words in Title Tag Relevancy	-0.2	14	6	66 %	89 %
33	Exact Matches in the HTML Tag Relevancy	-0.2	366	12	29 %	84 %
34	Variations in Search Result URL Relevancy	-0.2	24	2	51 %	81 %
35	Variations in Meta Description Relevancy	-0.2	95	2	51 %	81 %
36	Variations in Search Result URL Path Relevancy	-0.2	15	1	43 %	84 %
37	Variations in LI Tags Relevancy	-0.19	4915	27	63 %	86 %
38	Variation Count in Top 30KB Relevancy	-0.19	5657	40	63 %	87 %
39	Variations in First 100 Words Relevancy	-0.19	188	7	61 %	87 %
40	Variations in A Tags Relevancy	-0.19	4405	38	63 %	85 %
41	Number of Referring Domains Authority	-0.19	1687	35	41 %	43 %
42	Leading Variations in H1-H6 Tags Relevancy	-0.19	25	2	43 %	83 %
43	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.19	19	2	40 %	83 %
44	Variations in the Canonical URL Relevancy	-0.19	67	2	47 %	85 %
45	Variation Density in Top 30KB Relevancy	-0.19	349	3	56 %	84 %
46	Variations in OpenGraph Title Relevancy	-0.19	14	1	50 %	78 %
47	TF/IDF Relevancy	-0.19	1	1	53 %	82 %
48	Number of Includes Technology	-0.18	64	27	78 %	77 %
49	Number of Backlinks Authority	-0.18	220835	6086	41 %	44 %
50	Number of Do Follow Backlinks Authority	-0.18	220452	4289	36 %	43 %
51	Variations in ALT Attributes Relevancy	-0.18	285	7	44 %	81 %
52	Variations in OpenGraph Description Relevancy	-0.18	139	2	46 %	81 %
53	Entities in Meta Description Tag Relevancy	-0.18	26	3	54 %	84 %
54	Leading Variations in Title Tag Relevancy	-0.18	1	1	30 %	80 %
55	Variations in Script Tags Relevancy	-0.18	72558	172	58 %	85 %
56	LSI Words in Sentences Relevancy	-0.18	4374	700	66 %	89 %
57	Variations in Span Tags Relevancy	-0.18	1167	12	48 %	85 %
58	Title Tag Has Entities Relevancy	-0.18	1	1	64 %	81 %
59	Number of Facebook Pages Authority	-0.18	42	2	60 %	80 %
60	Variations in Absolute URLs Relevancy	-0.18	7234	71	57 %	90 %
61	Variations in Distinct A Tag HREF Attributes Relevancy	-0.17	2317	29	56 %	86 %
62	Variations in A Tag HREF Attributes Relevancy	-0.17	3430	44	57 %	86 %
63	Number of No Follow Backlinks Authority	-0.17	146318	1415	32 %	40 %
64	Search Result Number of Dirs in Path Other	-0.17	4	2	69 %	75 %
65	Leading Variations in H1 Tags Relevancy	-0.17	3	1	27 %	83 %
66	Entities in H3 Tags	-0.17	72	6	42 %	86 %
67	Has Entities in H1 Tags Relevancy	-0.17	1	1	54 %	79 %
68	Number of CSS Includes Technology	-0.17	25	10	70 %	78 %
69	Unabridged Word Count Size	-0.17	83719	1866	82 %	82 %
70	Word Count Size	-0.17	83529	1506	82 %	81 %
71	LSI Words in H1 Tags Relevancy	-0.16	20	5	57 %	87 %
72	Number of Images Size	-0.16	325	31	78 %	80 %
73	Number of P Tags Size	-0.16	331	40	77 %	79 %
74	Number of HTML Tags Size	-0.16	3257	1041	82 %	82 %
75	Exact Matches in H1-H6 Tags Relevancy	-0.16	11	1	19 %	81 %
76	Exact Matches in Sentences Relevancy	-0.16	89	3	20 %	82 %
77	Variations in H3 Tags Relevancy	-0.16	74	3	33 %	81 %
78	Number of Instagram Pages Authority	-0.16	20	2	45 %	79 %
79	Number of Sentences Size	-0.16	950	126	81 %	82 %
80	Clean Text Kilobytes Size	-0.16	1215	13	77 %	86 %
81	Variations in Nav Tags Relevancy	-0.16	10809	49	45 %	81 %
82	LSI Words in H2 Tags Relevancy	-0.16	136	20	56 %	87 %
83	LSI Words in Meta Description Tag Relevancy	-0.16	92	10	55 %	86 %
84	Has JSON-LD Schema Markup Relevancy	-0.16	1	1	53 %	77 %
85	Number of Images with ALT Text Size	-0.16	308	21	73 %	85 %
86	Exact Matches in Title Tag Relevancy	-0.16	2	1	17 %	79 %
87	Variations in Section Tags Relevancy	-0.16	1587	22	37 %	82 %
88	Percentage of DoFollow Internal Links Authority	-0.16	94	73	78 %	83 %
89	Variations in Main Tags Relevancy	-0.16	15470	78	34 %	82 %
90	Percentage of DoFollow Links Authority	-0.16	100	84	78 %	87 %
91	Exact Matches in Top 30KB Relevancy	-0.16	27	2	18 %	82 %
92	Number of H2 Tags Size	-0.15	39	7	69 %	79 %
93	Number of Heading Tags Size	-0.15	107	22	77 %	79 %
94	Inline CSS Kilobytes Size	-0.15	236	65	63 %	84 %
95	Leading Variations in H2 Tags Relevancy	-0.15	7	1	21 %	84 %
96	Variations in the last 100 words Relevancy	-0.15	185	4	44 %	83 %
97	Page Size Kilobytes Size	-0.15	1367	264	81 %	84 %
98	Number of Links Authority	-0.15	533	143	79 %	77 %
99	Number of JavaScript Includes Technology	-0.15	46	18	78 %	76 %
100	Variations in TITLE Attributes Relevancy	-0.15	253	6	32 %	79 %
101	Number of DoFollow Links Authority	-0.15	511	139	79 %	82 %
102	Number of Questions Size	-0.15	111	11	64 %	83 %
103	Variations making whole H1, H2, and H3 Tags Relevancy	-0.15	2	1	14 %	76 %
104	Flesch Kincaid Reading Grade Level Other	-0.15	7	2	90 %	85 %
105	Has Entities in H2 Tags Relevancy	-0.15	1	1	52 %	80 %
106	Number of HTTPS Links Authority	-0.15	531	140	78 %	82 %
107	Variations making whole H1-H6 Tags Relevancy	-0.15	2	1	15 %	77 %
108	Number of Internal Links Authority	-0.15	510	129	78 %	82 %
109	Number of Absolute URLs Authority	-0.15	852	259	81 %	83 %
110	Variations in Footer Tags Relevancy	-0.15	4462	18	32 %	78 %
111	Number of Social Pages Authority	-0.15	81	5	65 %	79 %
112	Number Of JSON-LD Types Relevancy	-0.15	176	14	56 %	84 %
113	Number of Questions In Headings Size	-0.15	13	2	35 %	83 %
114	Variations in Strong Tags Relevancy	-0.15	90	3	25 %	79 %
115	Number of External Links Authority	-0.15	140	15	74 %	77 %
116	Number of H1 Tags Size	-0.14	4	2	71 %	78 %
117	Number of DoFollow External Links Authority	-0.14	60	14	73 %	77 %
118	Search Result Host Length Size	-0.14	25	18	81 %	74 %
119	Number of Facebook Accounts Authority	-0.14	3	1	31 %	77 %
120	Search Result URL Length Size	-0.14	101	63	92 %	57 %
121	Search Result Domain Length Size	-0.14	25	18	81 %	79 %
122	Has Canonical URL Authority	-0.14	1	1	69 %	77 %
123	Number of US Phone Numbers Trust	-0.14	636	11	42 %	81 %
124	Inline JavaScript Kilobytes Size	-0.14	495	75	78 %	81 %
125	Search Result Uses HTTPS Other	-0.14	1	1	81 %	80 %
126	Number of LinkedIn Pages Authority	-0.14	20	1	27 %	73 %
127	Meta Description Tag Has Entities Relevancy	-0.14	1	1	55 %	76 %
128	Is Home Page Other	-0.14	1	1	18 %	42 %
129	Number of H3 Tags Size	-0.14	87	9	61 %	77 %
130	Word Count in Meta Description Size	-0.14	122	20	65 %	72 %
131	Variations making whole A Tags Relevancy	-0.14	69	2	27 %	75 %
132	Number of HTML Comments Size	-0.14	350	41	73 %	80 %
133	Title Word Count Size	-0.14	25	8	80 %	75 %
134	Variations Making Whole LI Tags Relevancy	-0.14	4	1	22 %	74 %
135	Entities in H4 Tags	-0.14	37	2	20 %	81 %
136	Has Meta Viewport Technology	-0.14	1	1	79 %	76 %
137	Variations in Meta Twitter Description Relevancy	-0.14	36	1	21 %	74 %
138	Title Length Size	-0.14	177	50	80 %	75 %
139	Number of Images without ALT Text Size	-0.14	139	11	58 %	82 %
140	Has US Phone Number Trust	-0.14	1	1	43 %	70 %
141	Number of Prices Size	-0.14	648	60	65 %	83 %
142	Meta Description Length Size	-0.14	795	119	65 %	79 %
143	Variations in I Tags Relevancy	-0.14	263	5	24 %	75 %
144	Percentage of DoFollow External Links Authority	-0.14	56	12	71 %	73 %
145	Has Meta Charset Technology	-0.13	1	1	76 %	73 %
146	Has Meta Description Relevancy	-0.13	1	1	64 %	70 %
147	Variations Making Whole Span Tags Relevancy	-0.13	12	1	18 %	78 %
148	LSI Words in H3 Tags Relevancy	-0.13	220	20	48 %	84 %
149	Uses JSON-LD name Other	-0.13	1	1	52 %	69 %
150	Has FavIcon Technology	-0.13	1	1	72 %	77 %
151	Number of Forms Technology	-0.13	24	2	54 %	71 %
152	Has Privacy Policy Trust	-0.13	1	1	54 %	73 %
153	Exact Matches in H1 Tags Relevancy	-0.13	1	1	13 %	79 %
154	Variations in Meta Twitter Content Relevancy	-0.13	12	1	23 %	71 %
155	Has Schema Markup Relevancy	-0.13	1	1	62 %	74 %
156	Variations in Search Result Summary Relevancy	-0.13	52	2	73 %	67 %
157	Has Entities in H3 Tags Relevancy	-0.13	1	1	42 %	77 %
158	Headings Has Question Other	-0.13	1	1	35 %	76 %
159	Variations making whole H1 Tags Relevancy	-0.13	1	1	9 %	76 %
160	Number of Social Accounts Authority	-0.13	6	2	47 %	76 %
161	Number of Questions In H2 Tags Size	-0.13	6	1	21 %	79 %
162	Uses Schema name Other	-0.13	1	1	59 %	64 %
163	Number of Twitter Accounts Authority	-0.13	3	1	28 %	71 %
164	Uses Schema addresslocality Other	-0.13	1	1	17 %	56 %
165	Average Words Per Sentence Size	-0.13	519	35	78 %	76 %
166	Has Contact Page Trust	-0.13	1	1	63 %	72 %
167	Number of Email Addresses Trust	-0.13	279	5	43 %	81 %
168	Uses Schema aggregaterating Other	-0.13	1	1	10 %	56 %
169	Uses JSON-LD url Other	-0.13	1	1	42 %	68 %
170	Uses JSON-LD ListItem Other	-0.13	1	1	34 %	65 %
171	Has Form Technology	-0.13	1	1	52 %	66 %
172	Uses JSON-LD addressLocality Other	-0.13	1	1	15 %	60 %
173	Uses Schema addressregion Other	-0.13	1	1	17 %	55 %
174	Variations in H4-H6 Tags Relevancy	-0.13	78	2	17 %	75 %
175	Uses Schema postaladdress Other	-0.13	1	1	17 %	56 %
176	Leading Variations in H3 Tags Relevancy	-0.13	16	1	15 %	81 %
177	Has OpenGraph Image Relevancy	-0.13	1	1	51 %	71 %
178	Uses JSON-LD BreadcrumbList Other	-0.13	1	1	33 %	66 %
179	Variations in Article Tags Relevancy	-0.13	1348	12	22 %	71 %
180	Has Email Trust	-0.13	1	1	43 %	72 %
181	Uses Schema listitem Other	-0.13	1	1	38 %	61 %
182	Has OpenGraph Type Relevancy	-0.13	1	1	59 %	72 %
183	Number of Meta Generator Tags Technology	-0.13	2	1	36 %	65 %
184	Has Apple Touch Icon Technology	-0.13	1	1	50 %	70 %
185	Uses Schema url Other	-0.13	1	1	53 %	61 %
186	Number Of Claimed Brands Other	-0.13	121	3	24 %	75 %
187	Uses Schema breadcrumblist Other	-0.13	1	1	38 %	61 %
188	Has Terms of Service Trust	-0.12	1	1	36 %	65 %
189	Uses JSON-LD addressRegion Other	-0.12	1	1	15 %	58 %
190	Uses JSON-LD PostalAddress Other	-0.12	1	1	16 %	59 %
191	Uses Schema pricecurrency Other	-0.12	1	1	6 %	43 %
192	Number of Questions In H3 Tags Size	-0.12	10	1	16 %	78 %
193	Uses Schema postalcode Other	-0.12	1	1	16 %	55 %
194	Uses JSON-LD AggregateRating Other	-0.12	1	1	8 %	60 %
195	Uses JSON-LD Offer Other	-0.12	1	1	5 %	52 %
196	Uses Schema pricerange Other	-0.12	1	1	9 %	49 %
197	Uses JSON-LD priceCurrency Other	-0.12	1	1	5 %	45 %
198	Number of Nofollow Links Authority	-0.12	173	4	24 %	76 %
199	Exact Matches in A Tags Relevancy	-0.12	32	2	15 %	81 %
200	Exact Matches in H2 Tags Relevancy	-0.12	5	1	10 %	82 %

Measures 141000 SEO Factors

139278 Built-In SEO Factors

130328 On-page SEO Factors

8950 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 2025-5 previous - today - next