200 Top SEO Ranking Factors August 2021

TOP SEO Factors for 2021-8 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	-0.3	56	30	91 %	71 %
2	Number of Factors Used Diversity	-0.24	206	142	95 %	87 %
3	LSI Words in Sentences Relevancy	-0.24	2577	670	85 %	94 %
4	Variations in HTML Tags Relevancy	-0.23	52520	1274	87 %	90 %
5	Term Frequency Relevancy	-0.22	12	6	88 %	87 %
6	Variations in Body Tags Relevancy	-0.22	37948	1178	80 %	88 %
7	Variations in P Tags Relevancy	-0.21	4751	127	80 %	89 %
8	Variations in Div Tags Relevancy	-0.21	35874	862	86 %	90 %
9	Entities in Title Tag Relevancy	-0.21	7	3	81 %	63 %
10	Variations in A Tags Relevancy	-0.21	6931	155	82 %	89 %
11	Entities in H2 Tags	-0.21	26	6	60 %	65 %
12	Entities in Sentences Relevancy	-0.21	484	112	70 %	94 %
13	Variations in H1-H6 Tags Relevancy	-0.2	374	16	81 %	89 %
14	Variations in H1, H2, and H3 Tags Relevancy	-0.2	257	13	80 %	88 %
15	Variations in Distinct A Tag HREF Attributes Relevancy	-0.2	4700	116	81 %	40 %
16	Entities in H3 Tags	-0.2	26	6	50 %	66 %
17	Variations in LI Tags Relevancy	-0.2	1517	58	74 %	88 %
18	Variations in Sentences Relevancy	-0.2	4584	111	79 %	92 %
19	Variations in A Tag HREF Attributes Relevancy	-0.2	6432	141	79 %	88 %
20	Unabridged Word Count Size	-0.19	5322	1816	93 %	86 %
21	Clean Text Kilobytes Size	-0.19	27	11	90 %	81 %
22	LSI Words in Title Tag Relevancy	-0.19	15	7	82 %	85 %
23	Variations in H1 and H2 Tags Relevancy	-0.19	137	7	78 %	87 %
24	Word Count Size	-0.19	4088	1436	93 %	84 %
25	Clean Keyword Density in the HTML Tag Relevancy	-0.19	206	13	83 %	67 %
26	Variations in Search Result Display URL Relevancy	-0.19	21	3	87 %	74 %
27	Variations in Search Result Link Text Relevancy	-0.19	21	2	87 %	74 %
28	Keywords in pages top 10 most used phrases	-0.18	24	3	73 %	82 %
29	Body Tag Size Kilobytes Size	-0.18	212	80	79 %	83 %
30	Exact Matches in Body Tag Relevancy	-0.18	163	11	39 %	90 %
31	Leading Variations in H1-H6 Tags Relevancy	-0.18	37	3	56 %	86 %
32	Variations in H2 Tags Relevancy	-0.18	126	6	54 %	87 %
33	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.18	26	3	53 %	84 %
34	Page Size Kilobytes Size	-0.18	344	143	94 %	80 %
35	Number of HTML Tags Size	-0.18	2391	841	94 %	80 %
36	Entities in the HTML Tag Relevancy	-0.18	1701	362	71 %	89 %
37	Exact Matches in the HTML Tag Relevancy	-0.18	196	7	42 %	85 %
38	Ahrefs Referring Class C Addresses Authority	-0.18	409	28	51 %	28 %
39	Entities in Meta Description Tag Relevancy	-0.18	9	4	65 %	61 %
40	Keywords in pages top 5 most used phrases	-0.18	11	2	65 %	81 %
41	Ahrefs Referring IP Addresses Authority	-0.17	563	35	51 %	28 %
42	Ahrefs Referring Domains Authority	-0.17	616	35	51 %	28 %
43	Ahrefs Text Backlinks Authority	-0.17	32105	1365	51 %	29 %
44	Variations in Nav Tags Relevancy	-0.17	7799	189	52 %	86 %
45	LSI Words in H2 Tags Relevancy	-0.17	66	18	67 %	87 %
46	Number of Sentences Size	-0.17	160	55	90 %	83 %
47	Variations in the Title Tag Relevancy	-0.17	21	3	81 %	73 %
48	Ahrefs Backlinks Authority	-0.17	32118	1408	51 %	29 %
49	Ahrefs Referring Pages Authority	-0.17	32118	1408	51 %	29 %
50	Ahrefs NoFollow Backlinks Authority	-0.17	18662	536	46 %	28 %
51	Number of P Tags Size	-0.17	121	37	88 %	80 %
52	DomDetailer Majestic IPs Authority	-0.17	264398	47558	77 %	32 %
53	Variations in the Canonical URL Relevancy	-0.17	72	3	61 %	79 %
54	Variations in First 100 Words Relevancy	-0.17	208	16	74 %	77 %
55	Variations in ALT Attributes Relevancy	-0.17	517	15	55 %	84 %
56	DomDetailer Majestic Referring Domains Authority	-0.17	1689892	279703	76 %	32 %
57	Entities in H1 Tags	-0.17	6	3	67 %	59 %
58	DomDetailer Majestic Referring Subnets Authority	-0.17	66860	13229	77 %	32 %
59	Variations in Span Tags Relevancy	-0.17	1633	36	62 %	85 %
60	Variations in Absolute URLs Relevancy	-0.17	8706	218	73 %	90 %
61	Variations in Search Result URL Path Relevancy	-0.17	39	2	65 %	73 %
62	DomDetailer Moz PA Authority	-0.17	65	37	78 %	29 %
63	Variations in Meta Description Relevancy	-0.17	70	4	63 %	79 %
64	DomDetailer Majestic CF Authority	-0.17	61	32	77 %	30 %
65	Number of Images with ALT Text Size	-0.16	60	17	83 %	78 %
66	Variations in Script Tags Relevancy	-0.16	56185	612	70 %	92 %
67	Variation Density in Top 30KB Relevancy	-0.16	437	23	78 %	34 %
68	LSI Words in H1 Tags Relevancy	-0.16	18	5	71 %	82 %
69	Keywords in pages top 3 most used phrases	-0.16	7	1	57 %	82 %
70	Search Result Has Publish Date	-0.16	1	1	97 %	15 %
71	Variations in Main Tags Relevancy	-0.16	11019	309	34 %	84 %
72	LSI Words in Meta Description Tag Relevancy	-0.16	23	11	66 %	86 %
73	Number of HTTPS Links Authority	-0.16	512	136	90 %	78 %
74	Ahrefs Rank Authority	-0.16	37	13	66 %	26 %
75	Variations in H3 Tags Relevancy	-0.16	103	6	42 %	85 %
76	Variations in Search Result URL Relevancy	-0.16	49	3	69 %	74 %
77	Number of Images Size	-0.16	87	27	89 %	79 %
78	Variation Count in Top 30KB Relevancy	-0.16	8390	405	84 %	35 %
79	Variations in Search Result Summary Relevancy	-0.16	71	4	89 %	72 %
80	Ahrefs Dofollow Backlinks Authority	-0.16	31909	829	42 %	28 %
81	Exact Matches in H1-H6 Tags Relevancy	-0.16	8	1	31 %	88 %
82	Number of Links Authority	-0.16	512	142	91 %	77 %
83	TF/IDF Relevancy	-0.16	2	1	73 %	75 %
84	DomDetailer Majestic Links Authority	-0.16	129741818	14770960	77 %	32 %
85	Number of DoFollow Links Authority	-0.16	502	137	91 %	77 %
86	Variations in H1 Tags Relevancy	-0.16	23	2	67 %	76 %
87	Number of Internal Links Authority	-0.16	495	125	91 %	78 %
88	DomDetailer Moz DA Authority	-0.16	78	38	77 %	28 %
89	Variations in Search Result Document File Name Relevancy	-0.15	27	2	66 %	67 %
90	LSI Words in H3 Tags Relevancy	-0.15	97	18	59 %	86 %
91	Number of Absolute URLs Authority	-0.15	433	139	91 %	78 %
92	Number of Questions In Headings Size	-0.15	6	2	34 %	41 %
93	Has Entities in H2 Tags Relevancy	-0.15	1	1	62 %	60 %
94	Exact Matches in Title Tag Relevancy	-0.15	2	1	30 %	82 %
95	Variations in Footer Tags Relevancy	-0.15	3167	78	40 %	82 %
96	Variations in the last 100 words Relevancy	-0.15	210	14	62 %	78 %
97	Variations in Section Tags Relevancy	-0.15	3647	63	41 %	78 %
98	DomDetailer Majestic TF Authority	-0.15	59	25	72 %	29 %
99	Number of Heading Tags Size	-0.15	50	21	90 %	81 %
100	Entities in H4 Tags	-0.15	15	3	28 %	60 %
101	Variations in OpenGraph Description Relevancy	-0.15	110	3	53 %	78 %
102	Number of Questions Size	-0.15	16	5	64 %	81 %
103	Number Of JSON-LD Types Relevancy	-0.15	25	10	59 %	38 %
104	Has Entities in H3 Tags Relevancy	-0.14	1	1	52 %	58 %
105	Title Tag Has Entities Relevancy	-0.14	1	1	82 %	50 %
106	Has Entities in H1 Tags Relevancy	-0.14	1	1	69 %	54 %
107	Search Result Publish Date	-0.14	2004123109	1971138804	93 %	52 %
108	Leading Variations in H2 Tags Relevancy	-0.14	12	1	28 %	83 %
109	DomDetailer Moz Rank Authority	-0.14	8	4	76 %	28 %
110	DomDetailer Facebook Shares Authority	-0.14	6618868	-4002024	71 %	31 %
111	Leading Variations in H1 Tags Relevancy	-0.14	3	1	35 %	75 %
112	Inline JavaScript Kilobytes Size	-0.14	146	31	89 %	80 %
113	Variations in TITLE Attributes Relevancy	-0.14	491	14	40 %	79 %
114	Variations in OpenGraph Title Relevancy	-0.14	17	2	60 %	73 %
115	Ahrefs Word Count Size	-0.14	3115	979	48 %	22 %
116	Number of H2 Tags Size	-0.14	13	7	76 %	80 %
117	Leading Variations in H3 Tags Relevancy	-0.14	15	2	21 %	79 %
118	Meta Description Tag Has Entities Relevancy	-0.14	1	1	66 %	54 %
119	Leading Variations in Title Tag Relevancy	-0.14	1	1	41 %	71 %
120	DomDetailer Moz Links Authority	-0.14	112526453	13177164	77 %	32 %
121	Variations making whole A Tags Relevancy	-0.14	6	1	34 %	78 %
122	Variations in Strong Tags Relevancy	-0.14	120	6	35 %	81 %
123	Number of H3 Tags Size	-0.14	26	8	69 %	77 %
124	Exact Matches in A Tags Relevancy	-0.14	38	2	23 %	86 %
125	Exact Matches in Sentences Relevancy	-0.14	20	2	26 %	89 %
126	Ahrefs Has Dofollow Backlinks Authority	-0.14	1	1	42 %	28 %
127	Keywords in pages most used phrase	-0.13	3	1	31 %	78 %
128	Ahrefs Has Text Backlinks Authority	-0.13	1	1	50 %	28 %
129	Number of Questions In H2 Tags Size	-0.13	3	1	22 %	77 %
130	Number of External Links Authority	-0.13	56	17	86 %	75 %
131	Variations Making Whole Span Tags Relevancy	-0.13	5	1	20 %	76 %
132	Ahrefs Internal Links Authority	-0.13	459	68	51 %	29 %
133	Variations in Article Tags Relevancy	-0.13	2655	69	33 %	81 %
134	Exact Matches in Top 30KB Relevancy	-0.13	36	3	35 %	28 %
135	Ahrefs Has Backlinks Authority	-0.13	1	1	51 %	29 %
136	Exact Matches in H1 Tags Relevancy	-0.13	2	1	22 %	82 %
137	Number of US Phone Numbers Trust	-0.13	138	8	45 %	75 %
138	Ahrefs Has NoFollow Backlinks Authority	-0.12	1	1	46 %	28 %
139	Number of JavaScript Includes Technology	-0.12	31	15	85 %	66 %
140	Headings Has Question Other	-0.12	1	1	38 %	73 %
141	Number of Questions In H3 Tags Size	-0.12	3	1	16 %	74 %
142	Has Privacy Policy Trust	-0.12	1	1	61 %	75 %
143	Exact Matches in H2 Tags Relevancy	-0.12	4	1	15 %	86 %
144	Number of Nofollow Links Authority	-0.12	40	6	33 %	75 %
145	Variations Making Whole LI Tags Relevancy	-0.12	5	1	27 %	75 %
146	Exact Matches in Meta Description Relevancy	-0.12	2	1	18 %	83 %
147	Variations in Class Attributes Relevancy	-0.12	8184	233	32 %	76 %
148	Search Result Summary Length Size	-0.12	347	175	94 %	70 %
149	Number of Social Pages Authority	-0.12	14	3	67 %	70 %
150	Has JSON-LD AggregateRating	-0.12	1	1	6 %	57 %
151	Variations in ID Attributes Relevancy	-0.12	561	16	17 %	79 %
152	Has FavIcon Technology	-0.12	1	1	78 %	66 %
153	Variations in H4-H6 Tags Relevancy	-0.12	121	4	26 %	77 %
154	Number of NoFollow External Links Authority	-0.12	22	3	23 %	76 %
155	Title Has Sentiment Words Other	-0.12	1	1	19 %	72 %
156	Inline CSS Kilobytes Size	-0.12	87	26	60 %	78 %
157	DomDetailer Majestic GOV Backlinks Authority	-0.12	28014025	2736536	33 %	30 %
158	Number of DoFollow External Links Authority	-0.12	39	15	84 %	73 %
159	Head Size Kilobytes Size	-0.12	105	39	87 %	80 %
160	Ahrefs Linked Root Domains Authority	-0.12	14	5	51 %	30 %
161	Variations in I Tags Relevancy	-0.12	184	6	22 %	73 %
162	Variations making whole H1-H6 Tags Relevancy	-0.12	2	1	16 %	71 %
163	Number of Social Accounts Authority	-0.12	4	2	51 %	72 %
164	Number of LinkedIn Pages Authority	-0.12	2	1	29 %	66 %
165	Percentage of DoFollow Internal Links Authority	-0.12	94	80	89 %	66 %
166	Has Schema Markup Relevancy	-0.12	1	1	65 %	67 %
167	Variations making whole H1, H2, and H3 Tags Relevancy	-0.12	2	1	15 %	72 %
168	Number of Instagram Pages Authority	-0.12	9	2	40 %	70 %
169	Has Copyright Trust	-0.12	1	1	74 %	65 %
170	Search Result Number of Dirs in Path Other	-0.12	3	2	79 %	59 %
171	Variations in H4 Tags Relevancy	-0.11	86	3	21 %	76 %
172	Number Of Claimed Brands Other	-0.11	5	2	21 %	34 %
173	Number Of JSON-LD Entity References Relevancy	-0.11	4	1	7 %	30 %
174	Search Result Uses HTTPS Other	-0.11	1	1	89 %	65 %
175	LSI Words in H4 Tags Relevancy	-0.11	38	9	39 %	76 %
176	Flesch Kincaid Reading Grade Level Other	-0.11	8	3	90 %	32 %
177	Meta Description Length Size	-0.11	444	128	72 %	75 %
178	Has JSON-LD Answer	-0.11	1	1	5 %	57 %
179	Load Time Milliseconds Performance	-0.11	20391	2444	93 %	60 %
180	Number of Facebook Pages Authority	-0.11	7	3	64 %	68 %
181	Leading Variations in H4-H6 Tags Relevancy	-0.11	12	1	14 %	70 %
182	Word Count in Meta Description Size	-0.11	67	21	71 %	80 %
183	Number of H4 Tags Size	-0.11	18	5	47 %	72 %
184	Number of HREF Lang Tags Size	-0.11	12	2	9 %	72 %
185	Average Words Per Sentence Size	-0.11	283	42	91 %	64 %
186	Title Has Sales Words Other	-0.11	1	1	15 %	70 %
187	Has JSON-LD Question	-0.11	1	1	5 %	58 %
188	Percentage of NoFollow Links Authority	-0.11	20	4	31 %	71 %
189	Number of Forms Technology	-0.11	13	3	70 %	63 %
190	Ahrefs External Links Authority	-0.11	107	14	49 %	30 %
191	Number of Images without ALT Text Size	-0.11	31	10	66 %	70 %
192	Percentage of NoFollow External Links Authority	-0.11	17	2	22 %	71 %
193	Variations in Aside Tags Relevancy	-0.11	1705	33	16 %	73 %
194	Ahrefs Image Backlinks	-0.11	5199	123	16 %	26 %
195	Has Canonical URL Authority	-0.11	1	1	77 %	69 %
196	Ahrefs Images Relevancy	-0.11	73	11	46 %	21 %
197	Number of Facebook Accounts Authority	-0.11	3	1	34 %	65 %
198	Has Meta Description Relevancy	-0.11	1	1	73 %	66 %
199	Ahrefs Domain Rating Authority	-0.11	73	27	59 %	25 %
200	Entities in H5 Tags	-0.11	6	1	11 %	52 %

Measures 147623 SEO Factors

145901 Built-In SEO Factors

136739 On-page SEO Factors

9162 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 2021-8 previous - today - next