Top SEO Factor data is updated daily for latest "month to date" measurements.
Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
1 | Unabridged Word Count Size | -0.17 | 54488 | 1859 | 86 % | 82 % |
2 | Word Count Size | -0.17 | 37089 | 1453 | 85 % | 82 % |
3 | Number of HTML Tags Size | -0.17 | 3672 | 1032 | 86 % | 83 % |
4 | Clean Text Kilobytes Size | -0.17 | 294 | 13 | 80 % | 86 % |
5 | Number of Sentences Size | -0.16 | 941 | 119 | 85 % | 82 % |
6 | Number of Images Size | -0.16 | 186 | 31 | 80 % | 82 % |
7 | Number of Heading Tags Size | -0.16 | 185 | 21 | 79 % | 81 % |
8 | Number of Images with ALT Text Size | -0.16 | 139 | 20 | 75 % | 83 % |
9 | Number of P Tags Size | -0.15 | 182 | 36 | 78 % | 81 % |
10 | Page Size Kilobytes Size | -0.15 | 946 | 270 | 86 % | 83 % |
11 | Number of H2 Tags Size | -0.15 | 28 | 7 | 69 % | 79 % |
12 | Number of Questions Size | -0.15 | 79 | 10 | 65 % | 83 % |
13 | Number of H3 Tags Size | -0.14 | 102 | 8 | 61 % | 78 % |
14 | Number of Questions In Headings Size | -0.14 | 9 | 2 | 34 % | 80 % |
15 | Inline JavaScript Kilobytes Size | -0.14 | 815 | 89 | 83 % | 81 % |
16 | Number of H1 Tags Size | -0.14 | 10 | 2 | 72 % | 80 % |
17 | Number of Prices Size | -0.14 | 1660 | 62 | 68 % | 84 % |
18 | Inline CSS Kilobytes Size | -0.14 | 203 | 56 | 64 % | 82 % |
19 | Number of HTML Comments Size | -0.13 | 471 | 47 | 75 % | 77 % |
20 | Number of Images without ALT Text Size | -0.13 | 172 | 11 | 61 % | 81 % |
21 | Word Count in Meta Description Size | -0.13 | 81 | 20 | 66 % | 70 % |
22 | Meta Description Length Size | -0.13 | 574 | 120 | 67 % | 73 % |
23 | Number of Questions In H2 Tags Size | -0.13 | 4 | 1 | 21 % | 74 % |
24 | Number of Questions In H3 Tags Size | -0.12 | 5 | 1 | 15 % | 75 % |
25 | Number of H4 Tags Size | -0.12 | 119 | 4 | 37 % | 72 % |
26 | Number of HREF Lang Tags Size | -0.12 | 26 | 2 | 11 % | 74 % |
27 | Average Words Per Sentence Size | -0.12 | 371 | 39 | 81 % | 76 % |
28 | Search Result Host Length Size | -0.12 | 26 | 17 | 85 % | 63 % |
29 | Search Result Domain Length Size | -0.12 | 26 | 17 | 85 % | 67 % |
30 | Title Word Count Size | -0.12 | 17 | 8 | 83 % | 72 % |
31 | Title Length Size | -0.11 | 82 | 51 | 83 % | 70 % |
32 | Number of H6 Tags Size | -0.11 | 5 | 1 | 10 % | 64 % |
33 | Number of H5 Tags Size | -0.11 | 44 | 2 | 18 % | 66 % |
34 | Search Result Link Text Length Size | -0.1 | 53 | 44 | 96 % | 51 % |
35 | Search Result URL Length Size | -0.1 | 93 | 63 | 98 % | 44 % |
36 | Search Result Summary Length Size | -0.1 | 225 | 150 | 95 % | 56 % |
37 | Bytes To First P Tag Size | -0.1 | 94545 | 66969 | 98 % | 50 % |
38 | Number of Questions In H4 Tags Size | -0.09 | 4 | 1 | 5 % | 66 % |
39 | Number of Bytes to First Match Size | -0.07 | 9703937 | 1085081 | 96 % | 39 % |
40 | Number of Questions In H1 Tags Size | -0.07 | 1 | 1 | 5 % | 62 % |
41 | Number of Schema Products Size | -0.06 | 13 | 1 | 3 % | 72 % |
42 | Number of Questions In H5 Tags Size | -0.05 | 1 | 1 | 1 % | 65 % |
43 | Number of Questions In H6 Tags Size | -0.03 | 3 | 0 | 0 % | 69 % |
44 | Body Tag Size Kilobytes Size | -0 | 98 | 0 | 0 % | 92 % |
45 | Head Size Kilobytes Size | -0 | 38 | 0 | 0 % | 93 % |
46 | Ahrefs Has HTML Pages Size | 0 | 0 | 0 | 0 % | 81 % |
47 | Ahrefs HTML Pages Size | 0 | 0 | 0 | 0 % | 81 % |
48 | Ahrefs Pages Size | 0 | 0 | 0 | 0 % | 81 % |
49 | Ahrefs Page Size Size | 0 | 0 | 0 | 0 % | 81 % |
50 | Ahrefs Word Count Size | 0 | 0 | 0 | 0 % | 81 % |
51 | Bing Page Count Size | 0 | 0 | 0 | 0 % | 92 % |