這篇文章帶給大家的內容是關於什麼是head標籤 ？ html中head標籤的介紹，有一定的參考價值，有需要的朋友可以參考一下，希望對你有幫助。
什麼是head標籤
head 標籤是
元素的內容。不像 元素的內容可以顯示在瀏覽器中，head 的內容不會在瀏覽器中顯示，它的作用是包含一些頁面的元資料。在下面的例子中，head 的內容很少。
<head>
<meta charset="utf-8">
<title>My test page</title>
</head>
登入後複製
#title
元素
是用來表示整個HTML文件大致內容的元資料(不是文件的內容.)<br>元素<title> 也被以其他的方式使用著. 比如說，如果你嘗試為某個頁面添加書籤，(Bookmarks > Bookmark This Page, 在火狐瀏覽器中), 你會看到<title> 的內容被當作建議的書籤名.</p>
<h2 id="元資料-lt-meta-gt">元資料<meta></h2>
<p>元資料就是描述資料的數據，而HTML有一個「官方的」方式來為一個文檔添加元數據，—— <meta> 元素. 當然，其他在這篇文章中提到的東西也可以被當作元數據。有很多不同種類的 <meta> 元素可以被包含進你的頁面的<head>元素, 但是現在我們還不會嘗試去解釋所有類型, 這只會引起混亂。 </p>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><meta charset="utf-8"></pre><div class="contentsignin">登入後複製</div></div>
<ul class=" list-paddingleft-2"><li><p>這個元素簡單的指定了文件的字元編碼 —— 在這個文件中被允許使用的字元集。 utf-8<br> 是一個通用的字元集，它包含了任何人類語言中的大部分的字元。這意味著你的web頁面可以顯示任意的語言; 許多<meta><br> 元素包含了name 和content 特性.</p></li></ul>
<p>name 特性指定了meta 元素的類型;說明該元素包含了什麼類型的信息。 <br>content 指定了實際的元資料內容。 <br>這兩個meta 元素對於定義你的頁面的作者和提供頁面的內容描述是很有用的 。 </p>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><meta name="author" content="Chris Mills">
<meta name="description" content="The MDN Learning Area aims to provide
complete beginners to the Web with all they need to know to get
started with developing web sites and applications."></pre><div class="contentsignin">登入後複製</div></div>
<ul class=" list-paddingleft-2"><li><p>指定作者在某些情況下是很有用的：如果你需要聯絡頁面的作者，問一些關於頁面內容的問題。 <br> 一些內容管理系統能夠自動取得頁面作者的訊息，然後用於某種目的。 <br> 指定包含關於頁面內容的關鍵字的頁面內容的描述是很有用的，因為它可能或讓你的頁面在搜尋引擎的相關的搜尋出現得更多(這些行為術語上被稱為<br> Search Engine Optimization, or SEO.)</p></li></ul>
<h2 id="在你的網站增加自訂圖示">在你的網站增加自訂圖示</h2>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><link rel="shortcut icon" href="favicon.ico" type="image/x-icon"></pre><div class="contentsignin">登入後複製</div></div>
<h2 id="在HTML中應用CSS和JavaScript">在HTML中應用CSS和JavaScript</h2>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><link rel="stylesheet" href="my-css-file.css"></pre><div class="contentsignin">登入後複製</div></div>
<ul class=" list-paddingleft-2"> <li><p><link> 元素經常位於文檔的頭部，它有2個屬性， rel="stylesheet"，表明這是文檔的樣式表，而<br> href,包含了樣式表文件的路徑。 </p></li>
</ul>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><script src="my-js-file.js"></script></pre><div class="contentsignin">登入後複製</div></div>
<ul class=" list-paddingleft-2"><li>
<p><script> 部分沒必要要放在文件頭部; 實際上，把它放在文件的尾部（在</body> ;標籤之前）是更好的選擇<br/> ，這樣可以確保在載入腳本之前瀏覽器已經解析了HTML內容（如果腳本載入某個不存在的元素，瀏覽器會報錯）。 </p></li></ul><h2 id="為文件設定主語言">為文件設定主語言</h2><pre class="brush:php;toolbar:false"><html lang="en-US"></p>
<ul class=" list-paddingleft-2"><li><p>這在很多方面都很有用。如果你的HTML文件的語言設定好了，那麼你的HTML文件就會被搜尋引擎更有效地索引<br> (例如，允許它在特定於語言的結果中正確顯示),對於那些使用螢幕閱讀器的視障人士也很有用(例如,<br> 法語和英語中都有「six」這個單詞，但是發音卻完全不同)。 </p></li></ul>
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</li></ul><p>以上是什麼是head標籤 ？ html中head標籤的介紹的詳細內容。更多資訊請關注PHP中文網其他相關文章！</p>
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