200 Top SEO Ranking Factors July 2021

TOP SEO Factors for 2021-7 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 Distinct Entities Used Diversity	-0.29	61	30	92 %	62 %
2	Variations in HTML Tags Relevancy	-0.24	55356	702	90 %	95 %
3	Number of Factors Used Diversity	-0.24	199	143	97 %	87 %
4	Variations in H1-H6 Tags Relevancy	-0.24	441	12	82 %	94 %
5	Variations in Div Tags Relevancy	-0.23	36920	501	88 %	95 %
6	Variations in H1, H2, and H3 Tags Relevancy	-0.23	395	10	81 %	94 %
7	LSI Words in Sentences Relevancy	-0.23	2803	537	81 %	93 %
8	Term Frequency Relevancy	-0.23	12	6	89 %	95 %
9	Variations in Body Tags Relevancy	-0.23	41041	634	82 %	96 %
10	Variations in A Tags Relevancy	-0.22	4952	85	82 %	95 %
11	Variations in P Tags Relevancy	-0.22	7866	72	81 %	92 %
12	Variations in Distinct A Tag HREF Attributes Relevancy	-0.22	2782	71	85 %	30 %
13	Variations in H1 and H2 Tags Relevancy	-0.22	148	6	78 %	92 %
14	Entities in Title Tag Relevancy	-0.21	7	3	84 %	59 %
15	Variations in A Tag HREF Attributes Relevancy	-0.21	3930	81	79 %	94 %
16	Entities in H3 Tags	-0.21	22	6	50 %	62 %
17	Variations in Search Result Display URL Relevancy	-0.21	18	2	90 %	79 %
18	Entities in H2 Tags	-0.21	23	6	60 %	63 %
19	Leading Variations in H1-H6 Tags Relevancy	-0.2	46	3	56 %	88 %
20	Variations in Search Result Link Text Relevancy	-0.2	18	2	89 %	80 %
21	Variations in Sentences Relevancy	-0.2	5183	58	80 %	91 %
22	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.2	41	3	52 %	89 %
23	DomDetailer Majestic Referring Subnets Authority	-0.2	107801	13921	89 %	29 %
24	DomDetailer Majestic Referring Domains Authority	-0.2	3166627	291555	89 %	29 %
25	Variations in LI Tags Relevancy	-0.2	1874	31	74 %	93 %
26	DomDetailer Majestic IPs Authority	-0.2	487594	49122	89 %	29 %
27	Keywords in pages top 10 most used phrases	-0.19	22	3	74 %	87 %
28	Ahrefs Rank Authority	-0.19	37	15	81 %	21 %
29	DomDetailer Majestic CF Authority	-0.19	70	35	89 %	28 %
30	Page Size Kilobytes Size	-0.19	266	139	95 %	88 %
31	Variations in H2 Tags Relevancy	-0.19	125	4	50 %	93 %
32	Unabridged Word Count Size	-0.19	6703	1748	93 %	87 %
33	Clean Text Kilobytes Size	-0.19	42	11	91 %	86 %
34	Clean Keyword Density in the HTML Tag Relevancy	-0.19	206	10	88 %	59 %
35	Body Tag Size Kilobytes Size	-0.19	172	79	81 %	91 %
36	LSI Words in Title Tag Relevancy	-0.19	14	6	79 %	88 %
37	Ahrefs Referring Domains Authority	-0.19	1483	53	56 %	27 %
38	DomDetailer Moz PA Authority	-0.19	71	40	90 %	28 %
39	Exact Matches in Body Tag Relevancy	-0.19	135	12	40 %	91 %
40	Variation Density in Top 30KB Relevancy	-0.19	387	12	84 %	27 %
41	Word Count Size	-0.19	5508	1357	93 %	85 %
42	Ahrefs Referring Class C Addresses Authority	-0.19	602	34	56 %	27 %
43	Ahrefs Text Backlinks Authority	-0.19	479893	4655	55 %	25 %
44	Variations in Script Tags Relevancy	-0.19	22356	211	69 %	91 %
45	Number of HTML Tags Size	-0.19	2161	839	95 %	86 %
46	Variations in Search Result URL Path Relevancy	-0.19	16	2	65 %	78 %
47	Ahrefs Backlinks Authority	-0.19	479925	4755	56 %	25 %
48	Ahrefs Referring Pages Authority	-0.19	479925	4755	56 %	25 %
49	Number of P Tags Size	-0.19	149	37	89 %	83 %
50	Ahrefs Referring IP Addresses Authority	-0.19	1009	44	55 %	27 %
51	Variations in Search Result URL Relevancy	-0.19	26	2	69 %	82 %
52	Exact Matches in the HTML Tag Relevancy	-0.18	177	8	41 %	88 %
53	Keywords in pages top 5 most used phrases	-0.18	11	2	66 %	90 %
54	DomDetailer Moz DA Authority	-0.18	88	42	90 %	27 %
55	Variations in the Title Tag Relevancy	-0.18	19	2	83 %	80 %
56	Ahrefs NoFollow Backlinks Authority	-0.18	41203	354	48 %	26 %
57	Variations in ALT Attributes Relevancy	-0.18	316	10	55 %	91 %
58	Number of Sentences Size	-0.18	168	50	91 %	82 %
59	Variations in the Canonical URL Relevancy	-0.18	61	2	60 %	81 %
60	DomDetailer Moz Rank Authority	-0.18	9	5	88 %	26 %
61	Keywords in pages top 3 most used phrases	-0.18	7	1	57 %	88 %
62	Variations in H1 Tags Relevancy	-0.18	23	2	68 %	78 %
63	Variation Count in Top 30KB Relevancy	-0.17	7853	213	91 %	25 %
64	Number of HTTPS Links Authority	-0.17	491	141	90 %	84 %
65	LSI Words in H2 Tags Relevancy	-0.17	82	14	61 %	91 %
66	Entities in Meta Description Tag Relevancy	-0.17	9	4	66 %	57 %
67	Ahrefs Dofollow Backlinks Authority	-0.17	438685	4426	44 %	25 %
68	Variations in H3 Tags Relevancy	-0.17	248	5	40 %	90 %
69	Number of Heading Tags Size	-0.17	49	21	90 %	88 %
70	Variations in Meta Description Relevancy	-0.17	43	3	63 %	83 %
71	Exact Matches in H1-H6 Tags Relevancy	-0.17	11	2	30 %	88 %
72	Variations in First 100 Words Relevancy	-0.17	209	10	73 %	78 %
73	Variations in Absolute URLs Relevancy	-0.17	5721	103	72 %	89 %
74	DomDetailer Majestic TF Authority	-0.17	65	28	82 %	28 %
75	DomDetailer Majestic Links Authority	-0.17	193160374	15485573	89 %	29 %
76	Number of Internal Links Authority	-0.17	499	131	91 %	83 %
77	Leading Variations in Title Tag Relevancy	-0.17	1	1	39 %	76 %
78	Entities in H1 Tags	-0.17	5	3	68 %	55 %
79	Number of Links Authority	-0.17	509	147	92 %	82 %
80	TF/IDF Relevancy	-0.16	2	1	73 %	80 %
81	Leading Variations in H1 Tags Relevancy	-0.16	2	1	34 %	76 %
82	Variations in Search Result Document File Name Relevancy	-0.16	12	2	63 %	72 %
83	Number of DoFollow Links Authority	-0.16	489	142	92 %	81 %
84	Number of Questions Size	-0.16	17	5	63 %	81 %
85	LSI Words in H3 Tags Relevancy	-0.16	79	15	55 %	91 %
86	Variations in Span Tags Relevancy	-0.16	1154	20	61 %	88 %
87	Variations in Nav Tags Relevancy	-0.16	5934	104	50 %	90 %
88	Ahrefs Has Text Backlinks Authority	-0.16	1	1	53 %	24 %
89	DomDetailer Moz Links Authority	-0.16	86416249	11296085	89 %	30 %
90	Number Of JSON-LD Types Relevancy	-0.16	23	9	59 %	26 %
91	LSI Words in H1 Tags Relevancy	-0.16	14	5	68 %	83 %
92	Ahrefs Has Dofollow Backlinks Authority	-0.16	1	1	45 %	24 %
93	Entities in H4 Tags	-0.16	11	3	28 %	58 %
94	Number of Questions In Headings Size	-0.16	6	2	36 %	46 %
95	Entities in Sentences Relevancy	-0.16	516	84	55 %	96 %
96	Ahrefs Domain Rating Authority	-0.16	75	42	80 %	23 %
97	Exact Matches in Title Tag Relevancy	-0.16	2	1	28 %	79 %
98	Number of H3 Tags Size	-0.16	25	8	69 %	84 %
99	LSI Words in Meta Description Tag Relevancy	-0.16	25	9	62 %	89 %
100	Ahrefs Has Backlinks Authority	-0.16	1	1	55 %	24 %
101	Ahrefs Has NoFollow Backlinks Authority	-0.15	1	1	47 %	24 %
102	Leading Variations in H2 Tags Relevancy	-0.15	15	1	25 %	84 %
103	Variations in OpenGraph Description Relevancy	-0.15	49	3	54 %	78 %
104	Number of Images with ALT Text Size	-0.15	86	17	84 %	86 %
105	Number of H2 Tags Size	-0.15	15	6	74 %	85 %
106	Number of Images Size	-0.15	105	26	90 %	82 %
107	Variations in Section Tags Relevancy	-0.15	2068	37	39 %	84 %
108	Variations in the last 100 words Relevancy	-0.15	207	7	60 %	82 %
109	Ahrefs Word Count Size	-0.15	3490	1247	62 %	22 %
110	Inline JavaScript Kilobytes Size	-0.15	124	31	89 %	84 %
111	Has Entities in H2 Tags Relevancy	-0.15	1	1	62 %	54 %
112	DomDetailer Majestic GOV Backlinks Authority	-0.15	50341353	3151928	39 %	27 %
113	Exact Matches in A Tags Relevancy	-0.15	47	3	24 %	87 %
114	Number of Absolute URLs Authority	-0.15	397	136	92 %	83 %
115	DomDetailer Facebook Shares Authority	-0.15	6971588	-2981841	69 %	28 %
116	Variations in Main Tags Relevancy	-0.15	11247	173	32 %	86 %
117	Variations making whole A Tags Relevancy	-0.14	6	1	35 %	85 %
118	Variations in ID Attributes Relevancy	-0.14	584	6	14 %	85 %
119	Exact Matches in Sentences Relevancy	-0.14	24	2	25 %	87 %
120	Has Entities in H3 Tags Relevancy	-0.14	1	1	52 %	53 %
121	Variations in OpenGraph Title Relevancy	-0.14	17	2	62 %	77 %
122	Headings Has Question Other	-0.14	1	1	35 %	77 %
123	Number of Questions In H2 Tags Size	-0.14	3	1	21 %	79 %
124	Leading Variations in H3 Tags Relevancy	-0.14	25	1	19 %	86 %
125	Variations making whole H1-H6 Tags Relevancy	-0.14	6	1	18 %	77 %
126	Entities in the HTML Tag Relevancy	-0.14	1329	273	57 %	95 %
127	Variations making whole H1, H2, and H3 Tags Relevancy	-0.14	2	1	16 %	79 %
128	Variations Making Whole Span Tags Relevancy	-0.14	6	1	21 %	82 %
129	Variations in TITLE Attributes Relevancy	-0.14	425	11	39 %	87 %
130	Variations Making Whole LI Tags Relevancy	-0.14	5	1	28 %	83 %
131	Head Size Kilobytes Size	-0.14	93	37	89 %	80 %
132	Number of External Links Authority	-0.14	99	17	86 %	72 %
133	Title Tag Has Entities Relevancy	-0.14	1	1	84 %	46 %
134	Variations in H4-H6 Tags Relevancy	-0.14	100	3	25 %	84 %
135	Search Result Uses HTTPS Other	-0.14	1	1	90 %	67 %
136	Variations in Footer Tags Relevancy	-0.14	3152	43	37 %	83 %
137	Has Entities in H1 Tags Relevancy	-0.14	1	1	71 %	50 %
138	Variations in Article Tags Relevancy	-0.13	4034	38	34 %	71 %
139	Variations making whole H1 Tags Relevancy	-0.13	1	1	11 %	74 %
140	Number of Questions In H3 Tags Size	-0.13	3	1	14 %	80 %
141	Variations in Strong Tags Relevancy	-0.13	204	4	35 %	86 %
142	Ahrefs Internal Links Authority	-0.13	257	70	63 %	26 %
143	Ahrefs Linked Root Domains Authority	-0.13	15	7	62 %	26 %
144	Variations in Search Result Summary Relevancy	-0.13	5	3	91 %	72 %
145	Keywords in pages most used phrase	-0.13	3	1	30 %	79 %
146	Inline CSS Kilobytes Size	-0.13	63	24	61 %	82 %
147	Percentage of DoFollow Internal Links Authority	-0.13	98	80	90 %	73 %
148	Has JSON-LD Answer	-0.13	1	1	3 %	57 %
149	Has JSON-LD Question	-0.13	1	1	4 %	57 %
150	Variations in H4 Tags Relevancy	-0.13	68	2	20 %	83 %
151	Exact Matches in H2 Tags Relevancy	-0.13	4	1	14 %	87 %
152	Has Privacy Policy Trust	-0.13	1	1	62 %	74 %
153	Search Result Publish Date	-0.13	2011703362	1936836356	96 %	40 %
154	Variations in I Tags Relevancy	-0.13	174	3	22 %	77 %
155	Search Result Summary Length Size	-0.13	765	179	93 %	68 %
156	Ahrefs Image Backlinks	-0.13	336184	2198	16 %	22 %
157	Ahrefs External Links Authority	-0.13	47	15	59 %	25 %
158	Search Result Number of Dirs in Path Other	-0.13	4	2	81 %	65 %
159	Number of Nofollow Links Authority	-0.13	29	6	35 %	78 %
160	Title Has Sentiment Words Other	-0.13	1	1	15 %	67 %
161	Variations in Class Attributes Relevancy	-0.12	7667	118	30 %	78 %
162	Title Has Sales Words Other	-0.12	1	1	15 %	69 %
163	Exact Matches in H1 Tags Relevancy	-0.12	2	1	22 %	81 %
164	Meta Description Tag Has Entities Relevancy	-0.12	1	1	67 %	48 %
165	Ahrefs Has Image Backlinks Authority	-0.12	1	1	16 %	19 %
166	Number of DoFollow External Links Authority	-0.12	63	14	84 %	70 %
167	Load Time Milliseconds Performance	-0.12	34330	2313	94 %	63 %
168	Ahrefs Page Size Size	-0.12	57786	25787	63 %	20 %
169	Search Result Link Text Length Size	-0.12	72	53	97 %	66 %
170	Number of NoFollow External Links Authority	-0.12	25	3	24 %	76 %
171	LSI Words in H4 Tags Relevancy	-0.12	34	7	36 %	85 %
172	Number of US Phone Numbers Trust	-0.12	104	7	43 %	75 %
173	Average Words Per Sentence Size	-0.12	129	40	91 %	71 %
174	Variations in Search Result URL Domain Name Relevancy	-0.12	7	1	6 %	46 %
175	Has FavIcon Technology	-0.12	1	1	78 %	67 %
176	Exact Matches in Meta Description Relevancy	-0.12	2	1	17 %	84 %
177	Ahrefs Pages Size	-0.12	4	1	61 %	23 %
178	Number of H4 Tags Size	-0.12	17	5	48 %	78 %
179	Number of HREF Lang Tags Size	-0.12	11	2	9 %	73 %
180	Title Word Count Size	-0.12	13	9	92 %	59 %
181	Has Entities in H4 Tags Relevancy	-0.12	1	1	30 %	50 %
182	Has Terms of Service Trust	-0.12	1	1	44 %	70 %
183	Search Result Link Text Has Year Other	-0.12	1	1	8 %	58 %
184	Percentage of NoFollow Links Authority	-0.12	22	4	33 %	69 %
185	Number of JavaScript Includes Technology	-0.12	35	15	87 %	66 %
186	Exact Matches in Top 30KB Relevancy	-0.12	22	4	40 %	20 %
187	Has Canonical URL Authority	-0.11	1	1	77 %	69 %
188	Number of H5 Tags Size	-0.11	8	2	22 %	72 %
189	Has OpenGraph Image Relevancy	-0.11	1	1	56 %	65 %
190	Has Meta Description Relevancy	-0.11	1	1	72 %	68 %
191	Leading Variations in H4-H6 Tags Relevancy	-0.11	14	1	13 %	77 %
192	Number of Questions In H4 Tags Size	-0.11	2	1	6 %	65 %
193	Title Has Best Other	-0.11	1	1	9 %	70 %
194	Number of Instagram Pages Authority	-0.11	13	1	39 %	70 %
195	Number of Social Pages Authority	-0.11	11	3	63 %	68 %
196	Has JSON-LD ImageObject	-0.11	1	1	35 %	57 %
197	Variations in Value Attributes Relevancy	-0.11	313	3	15 %	75 %
198	Number of Social Accounts Authority	-0.11	4	2	50 %	66 %
199	Percentage of NoFollow External Links Authority	-0.11	19	2	23 %	71 %
200	Has US Phone Number Trust	-0.11	1	1	41 %	57 %

Measures 141967 SEO Factors

140245 Built-In SEO Factors

131234 On-page SEO Factors

9011 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 2021-7 previous - today - next