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 HTML Tags Size | -0.18 | 4805 | 999 | 87 % | 85 % |
2 | Unabridged Word Count Size | -0.17 | 7332 | 1723 | 87 % | 87 % |
3 | Word Count Size | -0.17 | 4754 | 1379 | 87 % | 86 % |
4 | Number of Sentences Size | -0.17 | 1269 | 124 | 85 % | 86 % |
5 | Clean Text Kilobytes Size | -0.17 | 49 | 12 | 81 % | 87 % |
6 | Number of Questions Size | -0.16 | 176 | 10 | 68 % | 86 % |
7 | Number of Images Size | -0.16 | 551 | 30 | 81 % | 83 % |
8 | Number of Images with ALT Text Size | -0.16 | 544 | 21 | 76 % | 83 % |
9 | Number of P Tags Size | -0.16 | 214 | 36 | 80 % | 83 % |
10 | Page Size Kilobytes Size | -0.15 | 836 | 252 | 87 % | 84 % |
11 | Number of Heading Tags Size | -0.15 | 69 | 21 | 81 % | 83 % |
12 | Number of H2 Tags Size | -0.15 | 16 | 7 | 71 % | 82 % |
13 | Number of Questions In Headings Size | -0.15 | 8 | 2 | 36 % | 84 % |
14 | Number of H3 Tags Size | -0.14 | 38 | 8 | 64 % | 82 % |
15 | Number of Prices Size | -0.14 | 618 | 61 | 69 % | 83 % |
16 | Inline JavaScript Kilobytes Size | -0.14 | 551 | 81 | 84 % | 80 % |
17 | Number of HTML Comments Size | -0.14 | 426 | 39 | 73 % | 79 % |
18 | Search Result URL Length Size | -0.14 | 97 | 63 | 96 % | 51 % |
19 | Inline CSS Kilobytes Size | -0.14 | 166 | 56 | 64 % | 78 % |
20 | Number of Questions In H2 Tags Size | -0.13 | 4 | 1 | 23 % | 76 % |
21 | Number of H1 Tags Size | -0.13 | 18 | 2 | 74 % | 77 % |
22 | Word Count in Meta Description Size | -0.13 | 75 | 20 | 69 % | 74 % |
23 | Number of Images without ALT Text Size | -0.12 | 80 | 10 | 61 % | 80 % |
24 | Title Word Count Size | -0.12 | 19 | 8 | 85 % | 68 % |
25 | Meta Description Length Size | -0.12 | 422 | 124 | 69 % | 74 % |
26 | Number of Questions In H3 Tags Size | -0.12 | 4 | 1 | 16 % | 81 % |
27 | Average Words Per Sentence Size | -0.12 | 212 | 35 | 82 % | 71 % |
28 | Title Length Size | -0.12 | 135 | 52 | 85 % | 66 % |
29 | Number of H4 Tags Size | -0.11 | 28 | 4 | 38 % | 73 % |
30 | Search Result Domain Length Size | -0.11 | 25 | 17 | 86 % | 69 % |
31 | Search Result Host Length Size | -0.11 | 25 | 17 | 86 % | 67 % |
32 | Number of HREF Lang Tags Size | -0.11 | 17 | 2 | 11 % | 72 % |
33 | Search Result Link Text Length Size | -0.11 | 54 | 44 | 96 % | 57 % |
34 | Number of H5 Tags Size | -0.1 | 23 | 2 | 19 % | 66 % |
35 | Number of Questions In H4 Tags Size | -0.1 | 2 | 1 | 6 % | 69 % |
36 | Number of H6 Tags Size | -0.1 | 8 | 1 | 10 % | 68 % |
37 | Search Result Summary Length Size | -0.1 | 168 | 150 | 96 % | 60 % |
38 | Bytes To First P Tag Size | -0.09 | 87830 | 65644 | 98 % | 51 % |
39 | Number of Questions In H1 Tags Size | -0.09 | 1 | 1 | 5 % | 61 % |
40 | Number of Bytes to First Match Size | -0.08 | 9741315 | 1029948 | 98 % | 39 % |
41 | Number of Questions In H5 Tags Size | -0.06 | 2 | 1 | 2 % | 65 % |
42 | Number of Schema Products Size | -0.06 | 7 | 1 | 3 % | 72 % |
43 | Number of Questions In H6 Tags Size | -0.04 | 1 | 0 | 1 % | 70 % |
44 | Body Tag Size Kilobytes Size | -0 | 101 | 0 | 0 % | 96 % |
45 | Head Size Kilobytes Size | -0 | 48 | 0 | 0 % | 96 % |
46 | Ahrefs Has HTML Pages Size | 0 | 0 | 0 | 0 % | 80 % |
47 | Ahrefs HTML Pages Size | 0 | 0 | 0 | 0 % | 80 % |
48 | Ahrefs Pages Size | 0 | 0 | 0 | 0 % | 80 % |
49 | Ahrefs Page Size Size | 0 | 0 | 0 | 0 % | 80 % |
50 | Ahrefs Word Count Size | 0 | 0 | 0 | 0 % | 80 % |
51 | Bing Page Count Size | 0 | 0 | 0 | 0 % | 96 % |