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1、Keyword Use Anywhere in the Title Tag　(66%)
2、Keyword Use as the First Word(s) of the Title Tag　(63%)
3、Keyword Use in the Root Domain Name (e.g. keyword.com)　(60%)
4、Keyword Use Anywhere in the H1 Headline Tag　(49%)
5、Keyword Use in Internal Link Anchor Text on the Page　(47%)
6、Keyword Use in External Link Anchor Text on the Page　(46%)
7、Keyword Use as the First Word(s) in the H1 Tag　(45%)
8、Keyword Use in the First 50-100 Words in HTML on the Page　(45%)
9、Keyword Use in the Subdomain Name (e.g. keyword.seomoz.org)　(42%)
10、Keyword Use in the Page Name URL (e.g.seomoz.org/folder/keyword.html)　(38%)
11、Keyword Use in the Page Folder URL (e.g. seomoz.org/keyword/page.htm)　(37%)
12、Keyword Use in other Headline Tags (<h2> – <h6>)　(35%)
13、Keyword Use in Image Alt Text　(33%)
14、Keyword Use / Number of Repetitions in the HTML Text on the Page　(33%)
15、Keyword Use in Image Names Included on the Page (e.g. keyword.jpg)　(33%)
16、Keyword Use in <b> or <strong> Tags　(26%)
17、Keyword Density Formula　(25%)
18、Keyword Use in List Items <li> on the Page　(23%)
19、Keyword Use in the Page’s Query Parameters (e.g. seomoz.org/page.html?keyword)　(22%)
20、Keyword Use in <i> or <em> Tags　(22%)
21、Keyword Use in the Meta Description Tag　(19%)
22、Keyword Use in the Page’s File Extension(e.g. seomoz.org/page.keyword)　(12%)
23、Keyword Use in Comment Tags in the HTML　(6%)
24、Keyword Use in the Meta Keywords Tag　(5%)