h16 HTML Images

HTML Images 图像图片 provides a visual content for web pages, enhancing user experiences and conveying information. They can be photographs, graphics, icons, or illustrations. To insert an image on HTML document we can use <img> tag.

Reason to use Images

HTML offers various elements for embedding, manipulating, and controlling images, contributing to the aesthetics and functionality of websites. Understanding image tags, attributes, and responsive design principles is essential for effective web development. We usually use images within hero section on the product page, it required src and alt attributes.

Increase Readbility: Using proper images/graphics can increase the readibility of our website, like what kind of products or services we provide.
SEO Impact: If we can use images with proper attributes that does not effect the loading time can be benificial to improve the website SEO.

There are lots of other advantages to use images we will know in this article.

Examples of HTML images

In the bellow examples we will see how to set the width, height, title, how to make image more attarctive on the webpage! and so many many other things on images.

You can use PNG, JPEG, or GIF image files based on your comfort but make sure you specify the correct image file name in src attribute. Using alt attribute is a good practice. it specifies an alternate text for an image if the image cannot be displayed.

Inserting an Image in HTML

src -- source

You can insert any image in your web page by using <img> tag. The <img> tag is an empty tag, which means that, it can contain only list of attributes and it has no closing tag.

<DOCTYPE html>
   <html>
   <head>
      <title>Using Image in Webpage</title>
   </head>
   <body>
      <p>Simple Image Insert</p>
      <img src="logo.png" alt="Test Image" />
   </body>
   </html>

Importing images from another folder

Usually, we keep all the images in a separate directory. So let's keep HTML file test.htm in our home directory and create a subdirectory images inside the home directory where we will keep our image as test.png. Assuming our image location is "/html/images/test.png", try the following example.

<!DOCTYPE html>
<html>
<head>
   <title>Using Image in Webpage</title>
</head>
<body>
   <img src="/html/images/logo.jpg" alt="Test Image" />
</body>
</html>

alt -- alternative

Set Image Width and Height

You can set image width and height based on your requirement using width and height attributes. You can specify width and height of the image in terms of either pixels or percentage of its actual size.

<!DOCTYPE html>
<html>
<head>
   <title>Set Image Width and Height</title>
</head>
<body>
   <p>Setting image width and height</p>
   <img src="logo.jpg" alt="Test Image" width="450" height="200" />
</body>
</html>

Set Image Border

By default, image will have a border around it, you can specify border thickness in terms of pixels using border attribute. A thickness of 0 means, no border around the picture.

<!DOCTYPE html>
<html>
<head>
   <title>Set Image Width and Height</title>
</head>
<body>
   <p>Setting image width and height</p>
   <img src="logo.jpg" alt="Test Image"  alt="Test Image" border="3" />
</body>
</html>

Set Image Alignment

By default, image will align at the left side of the page, but you can use align attribute to set it in the center or right.

<!DOCTYPE html>
<html>
<head>
   <title>Set Image Width and Height</title>
</head>
<body>
   <p>Setting image width and height</p>
   <img src="logo.jpg"  alt="Test Image" border="3" align="right" />
</body>
</html>