HTML中我们应该注意哪些标签过时了，哪些地方应该用哪些标签更贴近更符合语义，哪些标签的属性应该写在页面上，保持良好，简洁的代码及搜索引擎友好。写完之后应该多检查检查我们的HTML。
Writing Semantic HTML
08月13日Semantic HTML means using HTML tags for their implied meaning, rather than just using (meaningless) div and span tags for absolutely everything. Why would you want to do this? Depending on the tag, the content in the tag can be interpreted in a certain way. Here are some examples.
