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How to Use Meta Tags for Search Engine Optimization By Herman Drost Copyright 2002 |
What Are Meta Tags?
These are HTML tags that provide information that describes the content of the web pages that the visitor will be viewing. Web Site owners use this resource to control their positioning and descriptions in the search engines. Most search engines incorporate reading meta tags as part of their indexing formula.
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Where To Place Meta Tags
They should go between the <head> and </head> tags in your html page.
Types Of Meta Tags
The Doctype tag or DTD (Document Type Definition) tag precedes the opening <HTML> tag. It is generally the first element to be used on any page. It distinguishes the version of HTML in use from other versions of HTML and tells the browser what tags to expect when laying out the page.
<!doctype html public "-//wc3//dtd html 4.0 transitional//en">
If a browser doesn't understand a tag, it just ignores it. This, in effect, renders <!doctype> useless. For the proponents of strict standardization, a statement like <!doctype> would ensure standardization. If a browser didn't recognize the statement, it could ignore the page.
META Tags and Document Identification
The syntax for the tag is:
<meta name="namevalue" content="contentvalue"> or
<meta http-equiv="namevalue" content="contentvalue">
The <META> tag requires the CONTENT attribute and adds either the NAME or HTTP-EQUIV attribute. These define the general information you are creating or changing in the document, and the CONTENT attribute defines the value of the general information.
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HTTP-EQUIV Attribute
<META HTTP-EQUIV> tags are equivalent to HTTP headers. To understand headers, you must understand the process that occurs when you use a Web browser to request a document from a Web server. You request information using your browser and the Web Server receives your request via HTTP, the standard Web protocol. When the server finds the page you requested, it generates an HTTP response. The initial data in that response is called the HTTP header block. This header gives the Web browser information useful for displaying the page.
Common Examples of the HTTP-EQUIV Attribute Value
Language META Tag
<meta http-equiv="content-language" content="en">
Content-type Tag
The Content-Type entity-header field indicates the media type of the entity-body sent to the recipient. This is an
optional tag.
<meta http-equiv="content-type" content="text/html;charset=windows-1252">
Expires META Tag
An optional tag that defines the date when the file will be considered expired in cache and a new page will be
generated. Only use when your website is running a limited time event or there is a preset date when your
document will no longer be valid.
<meta http-equiv="expires" content="Tue, 04 Dec 1993 21:29:02 GMT">
Refresh META Tag
An optional tag used as a way to redirect or refresh users to another web page after X number of seconds. This
META tag is often used as a "bridge" page which is accessed first by users who are then redirected to another
web page.
<meta http-equiv="refresh" content="seconds;url=http://www.website.com/index.html">
NAME Attribute
<META> tags with a NAME attribute are used for information types that do not correspond to HTTP headers.
Common Examples of the HTTP-NAME Attribute
Keyword Tag Search
Engines that support META tags will often use the keywords found on your pages as a means to categorize your
website based on the search engines indexing algorithms (proprietary algorithms which index your website in
search engine databases).
Ensure you choose keywords that are relevant to your site. Avoid excessive repetition as many search engines will penalize your rankings for attempting to abuse their system. Search engines give priority to the first few words in your description, so focus on your main keywords and then elaborate further by using synonyms or other related words.
<meta name="keywords" content="keyword1,keyword2,keyword3">
Keyword values are usually separated by commas. The maximum keyword allowance is 1000 characters, however, it is believed that anything over 255 characters is ignored.
Description Tag
Search engines that support META tags will often display the Description META tag along with your title in their
results. When creating your META tags, make the first sentence of your description field capture the attention of a
user and use the rest of the description tag to elaborate further.
<meta name="description" content="This camping site is about outdoor camps">
Keep this description to no more than 25 words (maximum allowance is 150 characters). Not all search engines recognize this tag.
Conclusion
Don't let your site be one of the four web sites on the Web that do not have Meta Tags. Optimize it now, so you have a greater chance to be listed in the search engines. Getting listed, will bring more traffic which may mean more sales.
About The Author
Herman Drost is a Certified Internet Webmaster (CIW) owner and author of
iSiteBuild.com - Site Design and Low Cost Hosting.
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