Top SEO Factor data is updated daily for latest "month to date" measurements.
Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
1 | Clean Text Kilobytes Size | -0.19 | 112 | 14 | 85 % | 89 % |
2 | Unabridged Word Count Size | -0.19 | 21640 | 1997 | 90 % | 81 % |
3 | Word Count Size | -0.19 | 13832 | 1576 | 90 % | 81 % |
4 | Number of HTML Tags Size | -0.18 | 4018 | 1011 | 90 % | 82 % |
5 | Number of Sentences Size | -0.18 | 1153 | 122 | 89 % | 81 % |
6 | Number of P Tags Size | -0.17 | 358 | 42 | 84 % | 79 % |
7 | Number of Heading Tags Size | -0.17 | 60 | 22 | 85 % | 79 % |
8 | Number of Images Size | -0.16 | 303 | 30 | 85 % | 78 % |
9 | Number of Questions Size | -0.16 | 53 | 10 | 71 % | 86 % |
10 | Page Size Kilobytes Size | -0.16 | 768 | 259 | 90 % | 85 % |
11 | Number of H2 Tags Size | -0.16 | 31 | 7 | 76 % | 78 % |
12 | Number of Images with ALT Text Size | -0.16 | 227 | 20 | 80 % | 86 % |
13 | Number of Questions In Headings Size | -0.15 | 12 | 2 | 40 % | 82 % |
14 | Number of H3 Tags Size | -0.15 | 28 | 8 | 67 % | 76 % |
15 | Inline CSS Kilobytes Size | -0.14 | 241 | 61 | 68 % | 81 % |
16 | Number of HTML Comments Size | -0.14 | 378 | 36 | 76 % | 74 % |
17 | Inline JavaScript Kilobytes Size | -0.14 | 465 | 79 | 87 % | 81 % |
18 | Number of Prices Size | -0.14 | 1075 | 60 | 74 % | 79 % |
19 | Number of Questions In H2 Tags Size | -0.13 | 5 | 1 | 25 % | 79 % |
20 | Number of Images without ALT Text Size | -0.13 | 111 | 10 | 65 % | 79 % |
21 | Average Words Per Sentence Size | -0.13 | 232 | 36 | 86 % | 77 % |
22 | Number of HREF Lang Tags Size | -0.13 | 44 | 2 | 11 % | 74 % |
23 | Number of Questions In H3 Tags Size | -0.13 | 6 | 1 | 18 % | 78 % |
24 | Search Result Host Length Size | -0.13 | 26 | 18 | 89 % | 65 % |
25 | Number of H1 Tags Size | -0.13 | 7 | 2 | 79 % | 70 % |
26 | Search Result Domain Length Size | -0.12 | 26 | 18 | 89 % | 71 % |
27 | Word Count in Meta Description Size | -0.12 | 179 | 20 | 70 % | 65 % |
28 | Number of H4 Tags Size | -0.12 | 31 | 4 | 42 % | 68 % |
29 | Meta Description Length Size | -0.12 | 1482 | 123 | 70 % | 71 % |
30 | Title Word Count Size | -0.12 | 20 | 8 | 89 % | 69 % |
31 | Title Length Size | -0.11 | 128 | 54 | 89 % | 66 % |
32 | Search Result URL Length Size | -0.11 | 104 | 64 | 99 % | 48 % |
33 | Number of H5 Tags Size | -0.11 | 22 | 2 | 19 % | 64 % |
34 | Number of H6 Tags Size | -0.1 | 11 | 1 | 11 % | 64 % |
35 | Number of Questions In H4 Tags Size | -0.09 | 2 | 1 | 6 % | 67 % |
36 | Bytes To First P Tag Size | -0.09 | 92183 | 66275 | 99 % | 56 % |
37 | Search Result Link Text Length Size | -0.09 | 58 | 44 | 99 % | 49 % |
38 | Search Result Summary Length Size | -0.08 | 274 | 154 | 98 % | 49 % |
39 | Number of Questions In H1 Tags Size | -0.08 | 2 | 1 | 6 % | 61 % |
40 | Number of Bytes to First Match Size | -0.07 | 8436484 | 993745 | 98 % | 45 % |
41 | Number of Questions In H5 Tags Size | -0.07 | 2 | 1 | 2 % | 65 % |
42 | Number of Schema Products Size | -0.05 | 66 | 1 | 3 % | 70 % |
43 | Number of Questions In H6 Tags Size | -0.03 | 2 | 0 | 1 % | 67 % |
44 | Body Tag Size Kilobytes Size | -0 | 141 | 1 | 1 % | 89 % |
45 | Head Size Kilobytes Size | -0 | 69 | 1 | 1 % | 89 % |
46 | Ahrefs Has HTML Pages Size | 0 | 0 | 0 | 0 % | 75 % |
47 | Ahrefs HTML Pages Size | 0 | 0 | 0 | 0 % | 75 % |
48 | Ahrefs Pages Size | 0 | 0 | 0 | 0 % | 75 % |
49 | Ahrefs Page Size Size | 0 | 0 | 0 | 0 % | 75 % |
50 | Ahrefs Word Count Size | 0 | 0 | 0 | 0 % | 75 % |
51 | Bing Page Count Size | 0 | 0 | 0 | 0 % | 89 % |