The <meta> element in HTML is used to provide metadata about the HTML document. Metadata is data about data, and it helps describe the content and characteristics of the document. Here's a breakdown of its usage:
Why Use <meta> Element?
1. SEO (Search Engine Optimization): Helps search engines to understand the content of your page, which can improve search rankings.
2. Character Encoding: Ensures your document is displayed correctly in different browsers by specifying the character encoding.
3. Viewport Settings: Helps to control how your page is displayed on different devices, particularly mobile devices.
4. Document Description and Keywords: Provides information for social media previews and other web services.
Where to Use <meta> Element?
The <meta> element is placed within the <head> section of your HTML document. For example:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="description" content="A brief description of the webpage"> <meta name="keywords" content="HTML, CSS, JavaScript"> <meta name="author" content="Your Name"> <title>Document Title</title> </head> <body> <!-- Content goes here --> </body> </html>
What Can You Specify Using <meta> Element?
1. Character Encoding
<meta charset="UTF-8">
Specifies the character encoding for the document (e.g., UTF-8).
2. Viewport Settings
<meta name="viewport" content="width=device-width, initial-scale=1.0">
Controls the layout on mobile browsers. 'width=device-width' sets the viewport width to match the device’s screen width. 'initial-scale=1.0' means that the page is displayed at its actual size without any zoom. I
3. Description
<meta name="description" content="A brief description of the webpage">
Provides a summary of the page content, often used by search engines.
4. Keywords
<meta name="keywords" content="HTML, CSS, JavaScript">
Lists keywords relevant to the content of the page.
5. Author
<meta name="author" content="Your Name">
Specifies the name of the author of the document.
6. Refresh
<meta http-equiv="refresh" content="30">
Refreshes the page every 30 seconds (useful for real-time data).
7. Robots
<meta name="robots" content="noindex, nofollow">
Tells search engines whether to index the page and follow links.
By including these <meta> tags, you can enhance how your webpage is displayed and understood by both users and web services.
meta-tag.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="description" content="A simple HTML page demonstrating the use of the viewport meta tag."> <meta name="author" content="HariKrishna"> <title>Meta Tag Example</title> </head> <body> <h1>Welcome to the Meta Tag Example</h1> <p>This page demonstrates the use of the <code><meta></code> tag with viewport settings.</p> </body> </html>
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