1. It is best to use h1;2 when using the title tag. Layout not too complicated, three layer best;3.<p><br></p> so write is very good, no semantic problem; 4. External links preferably add a rel= "nofollow", such as <a href = "https://www.baidu.com" rel= "nofollow" ></a>5. When using an IMG tag, you should add an alt description;6.<title></title> 7.<meta name= "Keywords" content= "keyword keyword keyword keyword"/>;8.<meta name= "Description" content= "Web page, all in all; Description page description page Description Web page description page description ">;9." When paging, it is best to add a page selection that can enter a number; 10. When using the chart, remember to add <caption> </caption>;11. When making an accent, use < as much as possible. Strong> and <em> tags, strong label weight greater; 12. When you want to hide text, do not use Display=none, but in another way, such as text-indent.
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