How to Add Scalable Vector Graphics to Your Web Page

Key points for SVG image application

This article summarizes various ways to add SVG images to web pages, including at least six, one of which is to embed SVG XML code directly into HTML pages, and the other is to use <img src="/static/imghw/default1.png" data-src="https://img.php.cn/" class="lazy" alt="How to Add Scalable Vector Graphics to Your Web Page "> tags. In this example, SVG is the source file of the img tag.

Accessibility considerations for SVG images

When using SVG images, you need to pay attention to accessibility. First, when using SVG in img tags, be sure to include the alt attribute to provide text substitute for screen readers. Secondly, title and desc elements can be used in SVG to provide title and description information for the graphics respectively. For example:

<svg>
  <title>圆形</title>
  <desc>黄色背景上的绿色圆形</desc>
  <circle cx="50" cy="50" fill="yellow" r="40" stroke="green" stroke-width="4"></circle>
</svg>

In this example, the SVG is titled "Circle" and described as "Green Round on Yellow Background".

Browser compatibility of SVG images

SVG images are supported by all modern browsers, including Chrome, Firefox, Safari, and Edge. But it is recommended to test the SVG image in multiple browsers to make sure it displays correctly.

Application of SVG images in responsive web design

SVG images are perfect for responsive web design. Due to its resolution irrelevance, it maintains its quality regardless of the size or resolution of the display screen. By using the viewBox property, you can ensure that the SVG image is scaled to fit its container.

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