小旋风SEO教程 TIY
编辑您的代码：
<html><head><style type="text/css"> #intro {font-weight:bold;} </style><link rel="canonical" href="https://www.xxfseo.com/w3c/tiy/t.asp-f=csse_selector_id.html" /></head><body><p id="intro">This is a paragraph of introduction.</p><p>This is a paragraph.</p><p>This is a paragraph.</p><p>This is a paragraph.</p><p>...</p></body></html>
查看结果: