XHTML 1.0 元数据中的字符实体？
对于具有 XHTML 1.0 Doctype 的页面上的标题、关键字和描述字段，非 ascii 字符（如 – é 等）的正确用法是什么？爬虫和社交媒体网站是否可以更好地将它们解读为：
<title>My webpage — a study in typesetting</title>
<meta name="description" content="A page about character entities in XHTML. Check my resumé if you don't believe me." />
或者：
<title>My webpage — a study in typesetting</title>
<meta name="description" content="A page about character entities in XHTML. Check my resumé if you don't believe me." />
For my title, keywords and description fields on a page with an XHTML 1.0 Doctype what is the correct usage for non-ascii characters like – é etcetera? Do crawlers and social media sites read them better as:
<title>My webpage — a study in typesetting</title>
<meta name="description" content="A page about character entities in XHTML. Check my resumé if you don't believe me." />
OR:
<title>My webpage — a study in typesetting</title>
<meta name="description" content="A page about character entities in XHTML. Check my resumé if you don't believe me." />
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您最好坚持使用本机字符，但指定编码类型。对于国际字符集，坚持使用 UTF-8 是安全的：
You're best to stick to the native characters, but speficy the encoding type. for international charactersets, it's safe to stick with UTF-8:
如果您在 HTTP 标头（而不仅仅是 HTML 标头）中正确声明了字符集，那么它应该没有任何区别。
If you declared your character set correctly in the HTTP header (and not only the HTML head), then it should make absolutely no difference.