我在What is the HTML5 alternative to the obsolete meta http-equiv=content-language.阅读了这个问题，但它没有回答我的问题。所以，如果我有一个简单的4个索引页面的站点，每个索引页面都有不同的语言，我该如何指定语言呢？ “考虑在根元素上指定语言”是指在每个div处指定？
<META HTTP-EQUIV="Content-Language" content="EN">
答案 0 :(得分：1)
所以，它看起来像那样：
<html lang="en-GB">
答案 1 :(得分：0)
根据W3C建议，您应该声明主要版本 每个网页的语言，其中包含lang属性 标签，像这样：
<html lang="en">
...
</html>
在HTML5中，您可以为任何元素指定语言。这样，您可以在同一页面上使用多种语言。过度使用特定元素的主要语言。阅读更多Here
以下是所有受支持的语言代码：
Code Language (region)
af Afrikaans
ar-ae Arabic (U.A.E.)
ar-bh Arabic (Bahrain)
ar-dz Arabic (Algeria)
ar-eg Arabic (Egypt)
ar-iq Arabic (Iraq)
ar-jo Arabic (Jordan)
ar-kw Arabic (Kuwait)
ar-lb Arabic (Lebanon)
ar-ly Arabic (Libya)
ar-ma Arabic (Morocco)
ar-om Arabic (Oman)
ar-qa Arabic (Qatar)
ar-sa Arabic (Saudi Arabia)
ar-sy Arabic (Syria)
ar-tn Arabic (Tunisia)
ar-ye Arabic (Yemen)
be Belarusian
bg Bulgarian
ca Catalan
cs Czech
da Danish
de German (Standard)
de-at German (Austria)
de-ch German (Switzerland)
de-li German (Liechtenstein)
de-lu German (Luxembourg)
el Greek
en English
en-au English (Australia)
en-bz English (Belize)
en-ca English (Canada)
en-gb English (United Kingdom)
en-ie English (Ireland)
en-jm English (Jamaica)
en-nz English (New Zealand)
en-tt English (Trinidad)
en-us English (United States)
en-za English (South Africa)
es Spanish (Spain)
es-ar Spanish (Argentina)
es-bo Spanish (Bolivia)
es-cl Spanish (Chile)
es-co Spanish (Colombia)
es-cr Spanish (Costa Rica)
es-do Spanish (Dominican Republic)
es-ec Spanish (Ecuador)
es-gt Spanish (Guatemala)
es-hn Spanish (Honduras)
es-mx Spanish (Mexico)
es-ni Spanish (Nicaragua)
es-pa Spanish (Panama)
es-pe Spanish (Peru)
es-pr Spanish (Puerto Rico)
es-py Spanish (Paraguay)
es-sv Spanish (El Salvador)
es-uy Spanish (Uruguay)
es-ve Spanish (Venezuela)
et Estonian
eu Basque
fa Farsi
fi Finnish
fo Faeroese
fr French (Standard)
fr-be French (Belgium)
fr-ca French (Canada)
fr-ch French (Switzerland)
fr-lu French (Luxembourg)
ga Irish
gd Gaelic (Scotland)
he Hebrew
hi Hindi
hr Croatian
hu Hungarian
id Indonesian
is Icelandic
it Italian (Standard)
it-ch Italian (Switzerland)
ja Japanese
ji Yiddish
ko Korean
ko Korean (Johab)
ku Kurdish
lt Lithuanian
lv Latvian
mk Macedonian (FYROM)
ml Malayalam
ms Malaysian
mt Maltese
nl Dutch (Standard)
nl-be Dutch (Belgium)
nb Norwegian (Bokmål)
nn Norwegian (Nynorsk)
no Norwegian
pa Punjabi
pl Polish
pt Portuguese (Portugal)
pt-br Portuguese (Brazil)
rm Rhaeto-Romanic
ro Romanian
ro-md Romanian (Republic of Moldova)
ru Russian
ru-md Russian (Republic of Moldova)
sb Sorbian
sk Slovak
sl Slovenian
sq Albanian
sr Serbian
sv Swedish
sv-fi Swedish (Finland)
th Thai
tn Tswana
tr Turkish
ts Tsonga
uk Ukrainian
ur Urdu
ve Venda
vi Vietnamese
xh Xhosa
zh-cn Chinese (PRC)
zh-hk Chinese (Hong Kong)
zh-sg Chinese (Singapore)
zh-tw Chinese (Taiwan)
zu Zulu