200 Top SEO Ranking Factors March 2019

TOP SEO Factors for 2019-3 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 Factors Used Diversity	-0.36	191	102	94 %	87 %
2	Ahrefs Rank Authority	-0.29	47	17	93 %	11 %
3	Variations in HTML Tags Relevancy	-0.28	108607	269	91 %	96 %
4	Variations in Sentences Relevancy	-0.27	20044	66	89 %	95 %
5	Variations in Body Tags Relevancy	-0.27	101631	232	88 %	96 %
6	Term Frequency Relevancy	-0.27	12	6	91 %	96 %
7	Ahrefs Referring Class C Addresses Authority	-0.26	922	38	57 %	17 %
8	Ahrefs Referring IP Addresses Authority	-0.26	1302	47	57 %	17 %
9	Ahrefs Referring Domains Authority	-0.26	2913	63	57 %	17 %
10	Variations in Div Tags Relevancy	-0.26	30189	142	89 %	89 %
11	Variations in H1-H6 Tags Relevancy	-0.25	123	8	82 %	95 %
12	Ahrefs Text Backlinks Authority	-0.25	528797	12003	57 %	18 %
13	Variations in H1, H2, and H3 Tags Relevancy	-0.25	94	7	81 %	95 %
14	Variations in A Tags Relevancy	-0.25	2339	29	82 %	96 %
15	Ahrefs Backlinks Authority	-0.24	530729	11971	58 %	18 %
16	Ahrefs Referring Pages Authority	-0.24	530729	11971	58 %	18 %
17	Ahrefs NoFollow Backlinks Authority	-0.24	62179	556	45 %	17 %
18	Variations in A Tag HREF Attributes Relevancy	-0.24	1403	52	79 %	95 %
19	Variations in Search Result Link Text Relevancy	-0.24	6	2	88 %	84 %
20	Variations in Search Result Display URL Relevancy	-0.24	6	2	88 %	85 %
21	Variations in P Tags Relevancy	-0.23	7728	35	79 %	92 %
22	Ahrefs Dofollow Backlinks Authority	-0.23	501519	11067	51 %	17 %
23	Variations in LI Tags Relevancy	-0.23	4711	24	79 %	95 %
24	Variations in H1 and H2 Tags Relevancy	-0.23	37	4	78 %	94 %
25	Keywords in pages top 10 most used phrases	-0.23	6	2	72 %	89 %
26	Variations in Absolute URLs Relevancy	-0.23	2597	61	78 %	93 %
27	Exact Matches in the HTML Tag Relevancy	-0.22	420	12	40 %	85 %
28	Exact Matches in Body Tag Relevancy	-0.22	388	15	40 %	87 %
29	Variations in the Title Tag Relevancy	-0.22	24	2	83 %	82 %
30	Keywords in pages top 5 most used phrases	-0.22	10	2	62 %	90 %
31	Variations in Search Result URL Path Relevancy	-0.22	15	2	64 %	78 %
32	Exact Matches in Sentences Relevancy	-0.22	67	4	37 %	84 %
33	Variations in Search Result URL Relevancy	-0.21	21	2	67 %	80 %
34	Ahrefs Has Text Backlinks Authority	-0.21	1	1	56 %	17 %
35	Ahrefs Has Dofollow Backlinks Authority	-0.21	1	1	49 %	17 %
36	Ahrefs Has NoFollow Backlinks Authority	-0.21	1	1	45 %	17 %
37	Ahrefs Has Backlinks Authority	-0.21	1	1	56 %	17 %
38	Leading Variations in H1-H6 Tags Relevancy	-0.21	23	2	51 %	92 %
39	Search Result Number of Site Links Other	-0.2	1	1	1 %	54 %
40	Variations in the Canonical URL Relevancy	-0.2	13	2	52 %	82 %
41	Variations in First 100 Words Relevancy	-0.2	197	8	74 %	84 %
42	Keywords in pages top 3 most used phrases	-0.2	6	1	53 %	87 %
43	Leading Variations in H1, H2, and H3 Tags Relevancy	-0.2	15	2	48 %	91 %
44	Variations in H2 Tags Relevancy	-0.2	21	3	46 %	92 %
45	TF/IDF Relevancy	-0.2	1	1	77 %	84 %
46	Variations in Meta Description Relevancy	-0.2	41	2	61 %	90 %
47	Variations in Search Result Document File Name Relevancy	-0.2	10	2	61 %	74 %
48	Variations in H1 Tags Relevancy	-0.19	28	2	68 %	83 %
49	Exact Matches in H1-H6 Tags Relevancy	-0.19	22	2	29 %	78 %
50	Variations in Script Tags Relevancy	-0.19	24652	45	58 %	91 %
51	Variations in Span Tags Relevancy	-0.19	1100	10	59 %	91 %
52	Unabridged Word Count Size	-0.19	10140	1738	94 %	74 %
53	Word Count Size	-0.19	8025	1346	94 %	80 %
54	Number of Sentences Size	-0.18	419	66	93 %	80 %
55	Clean Text Kilobytes Size	-0.18	64	11	92 %	81 %
56	Variations in ALT Attributes Relevancy	-0.18	703	3	34 %	89 %
57	Exact Matches in A Tags Relevancy	-0.18	63	3	25 %	77 %
58	Ahrefs Image Backlinks	-0.18	159801	1271	22 %	15 %
59	Variations in H3 Tags Relevancy	-0.18	142	3	34 %	92 %
60	Exact Matches in Title Tag Relevancy	-0.18	2	1	27 %	71 %
61	Leading Variations in Title Tag Relevancy	-0.18	1	1	37 %	76 %
62	Ahrefs Word Count Size	-0.18	3833	1249	65 %	11 %
63	Number of HTML Tags Size	-0.17	9522	952	95 %	75 %
64	Variations in the last 100 words Relevancy	-0.17	203	5	61 %	82 %
65	Ahrefs Has Image Backlinks Authority	-0.17	1	1	22 %	14 %
66	Variations in Nav Tags Relevancy	-0.17	1976	18	42 %	78 %
67	Leading Variations in H1 Tags Relevancy	-0.17	3	1	32 %	79 %
68	Number of HTTPS Links Authority	-0.17	578	140	88 %	80 %
69	Variations in OpenGraph Title Relevancy	-0.17	13	1	52 %	77 %
70	Variations making whole A Tags Relevancy	-0.16	41	2	36 %	85 %
71	Variations in OpenGraph Description Relevancy	-0.16	53	2	45 %	82 %
72	Exact Matches in H1 Tags Relevancy	-0.16	2	1	22 %	69 %
73	Number of P Tags Size	-0.16	252	35	89 %	75 %
74	Page Size Kilobytes Size	-0.16	551	148	94 %	84 %
75	Body Tag Size Kilobytes Size	-0.16	510	106	91 %	84 %
76	Number of Heading Tags Size	-0.16	68	21	91 %	76 %
77	Leading Variations in H2 Tags Relevancy	-0.16	9	1	21 %	86 %
78	Variations in Search Result Summary Relevancy	-0.16	11	3	90 %	78 %
79	Variations Making Whole Span Tags Relevancy	-0.16	20	1	20 %	85 %
80	Exact Matches in Meta Description Relevancy	-0.16	2	1	17 %	69 %
81	Number of Links Authority	-0.16	595	159	92 %	76 %
82	Keywords in pages most used phrase	-0.16	2	1	28 %	76 %
83	Variations Making Whole LI Tags Relevancy	-0.16	5	1	26 %	81 %
84	Number of Internal Links Authority	-0.16	572	140	91 %	76 %
85	Variations in Summary Tags Relevancy	-0.16	2883	17	47 %	79 %
86	Exact Matches in H2 Tags Relevancy	-0.16	21	1	13 %	66 %
87	Number of Images Size	-0.15	137	29	91 %	81 %
88	Number of DoFollow Links Authority	-0.15	588	151	92 %	75 %
89	Variations in Strong Tags Relevancy	-0.15	39	3	32 %	85 %
90	Variations in TITLE Attributes Relevancy	-0.15	422	4	33 %	88 %
91	Variations in Footer Tags Relevancy	-0.15	1793	7	34 %	77 %
92	Number of Absolute URLs Authority	-0.15	663	186	93 %	81 %
93	Title Has Best Other	-0.15	1	1	13 %	55 %
94	Number of Images with ALT Text Size	-0.15	96	17	84 %	82 %
95	Variations in Section Tags Relevancy	-0.15	1879	16	34 %	86 %
96	Variations making whole H1-H6 Tags Relevancy	-0.15	5	1	17 %	79 %
97	Variations in Article Tags Relevancy	-0.15	1753	22	33 %	76 %
98	Number of H2 Tags Size	-0.15	32	6	73 %	75 %
99	Title Has Sales Words Other	-0.15	1	1	16 %	65 %
100	Number of Nofollow Links Authority	-0.15	69	9	39 %	83 %
101	Title Has Sentiment Words Other	-0.15	1	1	17 %	65 %
102	Variations making whole H1, H2, and H3 Tags Relevancy	-0.15	3	1	15 %	77 %
103	Number of H3 Tags Size	-0.15	51	8	67 %	75 %
104	Number of External Links Authority	-0.14	369	21	87 %	73 %
105	Inline JavaScript Kilobytes Size	-0.14	223	40	89 %	84 %
106	Number of NoFollow External Links Authority	-0.14	42	4	27 %	81 %
107	Ahrefs Linked Root Domains Authority	-0.14	29	7	65 %	17 %
108	Ahrefs Internal Links Authority	-0.14	236	56	66 %	18 %
109	Ahrefs External Links Authority	-0.14	47	12	61 %	18 %
110	Number of US Phone Numbers Trust	-0.14	339	8	41 %	73 %
111	Leading Variations in H3 Tags Relevancy	-0.14	15	1	16 %	84 %
112	Variations in Meta Twitter Description Relevancy	-0.14	27	1	28 %	76 %
113	Ahrefs Pages Size	-0.14	1	1	67 %	15 %
114	Variations in Meta Twitter Content Relevancy	-0.14	8	1	32 %	71 %
115	Variations in Host Citations Relevancy	-0.14	3675	8	11 %	68 %
116	Percentage of NoFollow Links Authority	-0.14	24	5	37 %	80 %
117	Search Result Uses HTTPS Other	-0.14	1	1	80 %	77 %
118	Variations in Class Attributes Relevancy	-0.14	7632	12	27 %	77 %
119	Ahrefs Has Linked Root Domains Authority	-0.14	1	1	65 %	15 %
120	Percentage of NoFollow External Links Authority	-0.14	21	3	25 %	77 %
121	Title Has Year Other	-0.14	1	1	9 %	57 %
122	Has MicroData Thumbnail	-0.14	1	1	2 %	14 %
123	Exact Matches in H3 Tags Relevancy	-0.14	5	1	8 %	55 %
124	Search Result Has Schema Other	-0.14	1	1	7 %	55 %
125	Variations in H4-H6 Tags Relevancy	-0.13	53	2	21 %	84 %
126	Search Result Link Text Length Size	-0.13	81	57	93 %	67 %
127	Ahrefs Has Internal Links Authority	-0.13	1	1	65 %	15 %
128	Word Count in Meta Description Size	-0.13	139	22	69 %	79 %
129	Ahrefs Redirects Authority	-0.13	207	3	10 %	13 %
130	Variations in Value Attributes Relevancy	-0.13	253	2	15 %	78 %
131	Meta Description Length Size	-0.13	769	132	69 %	78 %
132	Variations in I Tags Relevancy	-0.13	66	2	22 %	84 %
133	Ahrefs Has External Links Authority	-0.13	1	1	60 %	16 %
134	Search Result Link Text Has Year Other	-0.13	1	1	9 %	52 %
135	Head Size Kilobytes Size	-0.13	156	39	92 %	80 %
136	Search Result Summary Length Size	-0.13	466	251	94 %	67 %
137	Search Result Has Rating Other	-0.13	1	1	6 %	51 %
138	Variations in OpenGraph Site Name Relevancy	-0.13	5	1	13 %	65 %
139	Variations making whole H1 Tags Relevancy	-0.13	1	1	10 %	71 %
140	Has Privacy Policy Trust	-0.13	1	1	61 %	70 %
141	Exact Matches making whole H1-H6 Tags Relevancy	-0.13	2	1	7 %	56 %
142	Has Canonical URL Authority	-0.13	1	1	64 %	71 %
143	Exact Matches making whole H1, H2, and H3 Tags Relevancy	-0.13	2	1	7 %	55 %
144	Number of DoFollow External Links Authority	-0.13	352	17	85 %	69 %
145	Search Result Number of Dirs in Path Other	-0.13	4	2	79 %	56 %
146	Variations in H4 Tags Relevancy	-0.13	36	1	17 %	82 %
147	Has US Phone Number Trust	-0.13	1	1	42 %	56 %
148	Ahrefs Has Redirects Authority	-0.13	1	1	10 %	12 %
149	Variations in ID Attributes Relevancy	-0.13	394	2	12 %	76 %
150	Variations in Search Result URL Domain Name Relevancy	-0.13	5	1	4 %	51 %
151	Flesch Kincaid Reading Ease	-0.13	127	70	94 %	68 %
152	Variations in Main Tags Relevancy	-0.13	6553	43	23 %	73 %
153	Number of HREF Lang Tags Size	-0.13	37	2	9 %	75 %
154	Has Terms of Service Trust	-0.13	1	1	43 %	64 %
155	Exact Matches making whole A Tags Relevancy	-0.13	9	1	8 %	53 %
156	Variations in Search Result URL Host Name Relevancy	-0.13	5	1	4 %	51 %
157	Title Word Count Size	-0.13	17	9	93 %	61 %
158	Number of Amazon Ads Technology	-0.13	9	1	11 %	50 %
159	Number of YouTube Embeds Technology	-0.13	7	1	10 %	67 %
160	Number of Videos Technology	-0.13	7	1	11 %	67 %
161	Variations in Form Tags Relevancy	-0.13	86	1	13 %	73 %
162	Number of Ads Technology	-0.12	9	1	11 %	51 %
163	Variations in Aside Tags Relevancy	-0.12	1448	7	17 %	69 %
164	Exact Matches making whole H1 Tags Relevancy	-0.12	1	1	6 %	51 %
165	Number of Forms Technology	-0.12	12	3	73 %	70 %
166	Variations in HTML Comment Tags Relevancy	-0.12	1063	4	12 %	75 %
167	Variations in Meta Keywords Relevancy	-0.12	43	2	20 %	75 %
168	Exact Matches in Search Result URL Relevancy	-0.12	1	1	12 %	26 %
169	Percentage of NoFollow Internal Links Authority	-0.12	17	3	26 %	74 %
170	Aggressive Variation Density Relevancy	-0.12	89	1	8 %	68 %
171	Number of Images without ALT Text Size	-0.12	78	12	75 %	73 %
172	Variations in Style Tags Relevancy	-0.12	705	5	12 %	68 %
173	Has Rel Next Link Authority	-0.12	1	1	7 %	64 %
174	Title Has Top Other	-0.12	1	1	4 %	40 %
175	Has Rel Pagination Authority	-0.12	1	1	7 %	63 %
176	Search Result URL Length Size	-0.12	93	62	94 %	47 %
177	Percentage of DoFollow Internal Links Authority	-0.12	95	80	90 %	65 %
178	Title Has Question Words Other	-0.12	1	1	13 %	42 %
179	Variations in Label Tags Relevancy	-0.12	18	1	6 %	68 %
180	Has Schema Markup Relevancy	-0.12	1	1	48 %	66 %
181	Load Time Milliseconds Performance	-0.12	91722	3635	94 %	66 %
182	Title Length Size	-0.12	123	59	93 %	60 %
183	Leading Variations in H4-H6 Tags Relevancy	-0.12	8	1	10 %	77 %
184	Number of Social Accounts Authority	-0.12	8	3	59 %	69 %
185	Variations in Em Tags Relevancy	-0.12	64	1	10 %	73 %
186	Has Meta Description Relevancy	-0.12	1	1	71 %	73 %
187	Has Amazon Ads Other	-0.12	1	1	11 %	47 %
188	Has Ads Other	-0.12	1	1	11 %	47 %
189	Has OpenGraph Image Relevancy	-0.12	1	1	47 %	65 %
190	Leading Variations in Meta Description Relevancy	-0.12	1	1	11 %	68 %
191	Inline CSS Kilobytes Size	-0.12	136	26	51 %	76 %
192	Has MicroData name	-0.12	1	1	25 %	63 %
193	Has OpenGraph Type Relevancy	-0.12	1	1	55 %	61 %
194	Is OpenGraph Type Article Technology	-0.12	1	1	36 %	55 %
195	Number of H4 Tags Size	-0.12	21	4	46 %	70 %
196	Has MicroData Relevancy	-0.12	1	1	39 %	63 %
197	Number of CSS Includes Technology	-0.12	19	8	87 %	58 %
198	Has XMLRPC Technology	-0.12	1	1	29 %	52 %
199	Number of Social Pages Authority	-0.12	41	3	53 %	71 %
200	Variations Making Whole Strong Tags Relevancy	-0.12	5	1	7 %	73 %

Measures 149788 SEO Factors

148066 Built-In SEO Factors

138889 On-page SEO Factors

9177 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 2019-3 previous - today - next