HTML의 Alt 태그

<img src="image%20resource" alt="text">

<img src="image%20resource" alt="text" usemap="#name">
//usemap name and map name attribute name must be same
<map name="name">
<area coords="specify 4 coordinates" href="file.htm" alt="text">
</map>
<input> tag

<input type="image" src="image%20resource" alt="text">

<meta charset="ISO-8859-1">
<title>Alt Attribute</title>
<style type="text/css">
h1 {
color: blue;
text-align: center;
}
p {
color: fuchsia;
font-size: 20px;
border: 2px solid red;
}
/*Aligning images side by side*/
* {
box-sizing: border-box;
}
.column {
width: 33.33%;
padding: 5px;
float: left;
}
.row::after {
clear: both;
display: table;
content: "";
}
</style>


<h1>Alt Attribute Introduction</h1>
<p>HTML img tag contains alt attribute. This attributes specifies
the information about the image like image name, image link, image
author, image specification etc. The main purpose of this attribute is
when the internet connection is slow the image may not load but is
loaded without any problem. So instead of user go back from the if
user moved his cursor from the page it will display some text
regarding image therefore he can understand that there is some content
in this page and wait for some time until page is loaded.</p>
<h1>Images with img tag and alt attribute</h1>
<div class="row">
<div class="column">
<img src="3.jpg" alt="First Bird"   style="max-width:90%">
</div>
<div class="column">
<img src="4.jpg" alt="Second Bird"   style="max-width:90%">
</div>
<div class="column">
<img src="5.jpg" alt="Third Bird"   style="max-width:90%">
</div>
</div>

<meta charset="ISO-8859-1">
<title>Alt Attribute</title>
<style type="text/css">
h1 {
color: green;
text-align: center;
}
p {
color: navy;
font-size: 20px;
border: 2px solid orange;
}
</style>


<h1>Alt Attribute Introduction</h1>
<p>HTML img tag contains alt attribute. This attributes specifies
the information about the image like image name, image link, image
author, image specification etc. The main purpose of this attribute is
when the internet connection is slow the image may not load but is
loaded without any problem. So instead of user go back from the if
user moved his cursor from the page it will display some text
regarding image therefore he can understand that there is some content
in this page and wait for some time until page is loaded.</p>
<h1>Images with area tag and alt attribute</h1>
<img src="d2.jpg"    style="max-width:90%"  style="max-width:90%" alt="HTML의 Alt 태그" usemap="#dog">
<map name="dog">
<area shape="rect" coords="0,0,81,125" href="https://www.educba.com/category/software-development/software-development-tutorials/python-tutorial/" alt="Python">
<area shape="circle" coords="91,59,4" href="https://www.educba.com/category/software-development/software-development-tutorials/java-tutorial/" alt="Java">
<area shape="circle" coords="125,59,9" href="https://www.educba.com/category/software-development/software-development-tutorials/bootstrap-tutorial/" alt="Bootstrap">
</map>

<meta charset="ISO-8859-1">
<title>Alt Attribute</title>
<style type="text/css">
h1 {
color: green;
text-align: center;
}
p {
color: navy;
font-size: 20px;
border: 2px solid orange;
}
label, input {
color: green;
font-size: 20px;
}
</style>


<h1>Alt Attribute Introduction</h1>
<p>HTML img tag contains alt attribute. This attributes specifies
the information about the image like image name, image link, image
author, image specification etc. The main purpose of this attribute is
when the internet connection is slow the image may not load but is
loaded without any problem. So instead of user go back from the if
user moved his cursor from the page it will display some text
regarding image therefore he can understand that there is some content
in this page and wait for some time until page is loaded.</p>
<h1>Images with input tag and alt attribute</h1>