Make use of the "description" meta tag

利用描述” meta標籤

A page's description meta tag gives Google and other search engines a summary of what the page is about.  Whereas a page's title may be a few words or a phrase, a page's description meta tag might be a sentence or two or a short paragraph.

 

一個網頁中名為描述的meta標籤給予Google和其它搜尋引撆一個關於這個頁面的摘要. 有鑑於頁面的標題只能有幾個字或是片語, 頁面的描述meta標籤可以是一、二個句子或短文.

 

Google Webmaster Tools provides a handy content analysis section that'll tell you about any description meta tags that are either too short, long, or duplicated too many times (the same information is also shown for <title> tags). Like the <title> tag, the description meta tag is placed within the <head> tag of your HTML document.

 

Google網站管理者工具提供一種方便的內容分析結果, 它將告訴你關於任何描述meta標籤太短, 太長, 或重覆太多次(同樣的資訊也會在出現在<title>標籤上). 就像<title>標籤一樣, 描述meta標籤被放置在HTML文件的<head>標籤內.

 

 

The beginning of the description meta tag for our homepage, which gives a brief overview of the site's offerings 

The beginning of the description meta tag for our homepage, which gives a brief overview of the site's offerings

我們首頁最初的描述meta標籤, 它針對這網站的出售物給予一個簡短的摘要

 

Description meta tags are important because Google might use them as snippets for your pages. Note that we say "might" because Google may choose to use a relevant section of your page's visible text if it does a good job of matching up with a user's query.

 

 

描述meta標籤非常重要, 因為Google可能使用它作為摘要來代表你這個網頁. 我在這裏用可能是因為如果網頁中的段落跟使用者的搜尋條件較符合的話, Google可能選擇你網頁中更恰當的段落文字來當做摘要.

 

Alternatively, Google might use your site's description in the Open Directory Project if your site is listed there (learn how to prevent search engines from displaying ODP data). 

 

如果你的網站被列在開放目錄計畫中, Google可能會使用你在ODP的描述 (學習如何防止搜尋引擎使用ODP資料顯示).

 

Adding description meta tags to each of your pages is always a good practice in case Google cannot find a good selection of text to use in the snippet.

 

假使Google無法找到一個好的選擇來做為摘要的情況下, 為每個頁面加上描述meta標籤將會是一個很好的方式.

 

The Webmaster Central Blog has an informative post on improving snippets with better description meta tags.

 

網站管理者中心的部落格中有一篇文章提到使用較好的描述meta標籤來改進摘要.

 

Snippets appear under a page's title and above a page's URL in a search result.

 

在搜尋結果中摘要出現在頁面的標題之下在頁面的URL之上

 

 

A user performs the query [baseball cards] 

A user performs the query [baseball cards]

使用者查詢 [baseball cards]

 

 

 

Our homepage appears as a result, with part of its description meta tag used as the snippet 

Our homepage appears as a result, with part of its description meta tag used as the snippet

我們的首頁出現在搜尋結果中, 描述meta標籤被當做摘要使用

 

Words in the snippet are bolded when they appear in the user's query. This gives the user clues about whether the content on the page matches with what he or she is looking for.

 

當使用者查詢的關鍵字出現在摘要中時, 文字會標記為粗體. 它提示使用者是否這一頁的內容是他所想要的.

 

Below is another example, this time showing a snippet from a description meta tag on a deeper page (which ideally has its own unique description meta tag) containing an article.

 

下面是另一個例子, 這次顯示出來的摘要是由深層頁面的描述meta標籤而來.

 

 

 

A user performs the query [rarest baseball cards] 

A user performs the query [rarest baseball cards]

使用者查詢 [rarest baseball cards]

 

 

 

One of our deeper pages, with its unique description meta tag used as the snippet, appears as a result 

One of our deeper pages, with its unique description meta tag used as the snippet, appears as a result

我們網站中較底層的網頁的其中一頁, 它獨一無二的描述meta標籤被使用當做摘要, 出現在搜尋結果中.

 

Good practices for description meta tags

描述meta標籤最佳實作

   Accurately summarize the page's content - Write a description that would both inform and interest users if they saw your description meta tag as a snippet in a search result.

正確的為網頁內容做摘要 當使用者看到你的描述meta標籤在搜尋結果出現時, 必需讓使用者覺得是他有興趣的.

 

Avoid:

   writing a description meta tag that has no relation to the content on the page

寫描述meta標籤時避免跟網頁內容不相關

   using generic descriptions like "This is a webpage" or "Page about baseball

cards"

避免使用一般描述, 好比這是一個網頁關於棒球卡的網頁

   filling the description with only keywords

寫描述時避免只寫關鍵字

   copy and pasting the entire content of the document into the description meta tag

寫描述meta標籤時避免複製跟貼上整個文件內容

 

   Use unique descriptions for each page - Having a different description meta tag for each page helps both users and Google, especially in searches where users may bring up multiple pages on your domain (e.g. searches using the site: operator). If your site has thousands or even millions of pages, hand-crafting description meta tags probably isn't feasible.  In this case, you could automatically generate description meta tags based on each page's content.

 

在每一個頁面使用唯一的描述文字 這對使用者跟Google有很大的幫助, 特別是使用者在搜尋時可能會出現很多重覆的網頁來自你的網站(例如搜尋時使用site運算子), 如果你的網站有上千或百萬個頁面, 手動處理描述meta標籤大概是不可行的. 在這種情況下, 你可以根據每一頁的內容自動產生描述meta標籤.

 

Avoid:

   using a single description meta tag across all of your site's pages or a large

group of pages

避免對整個網站或一大群頁面使用單一描述meta標籤

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