The Advantages of Using Vector Graphics for Website Creation

If you are still not using vector graphics instead of the raster on your websites, and you do not know how to, then this article may help you learn:

• What SVG format and vector graphics are
• Why you should use SVG files when creating web pages
• How to embed SVG files on a page
• What perks and features come with SVG images for web purposes

What is vector graphics and SVG?

Scalable Vector Graphics (SVG) is a vector graphics format – essentially, graphics data described by mathematic formulae.

What does it mean? It means that unlike raster graphics, it is a set of equations and numbers – and not a set of colored pixels. For websites, it is the SVG format that is commonly used; there are other popular vector formats as well, such as AI, EPS, CRD, PDF, and others.

What are the advantages of vector graphics for web pages?

The advantages are enormous, so let’s have a look at them.

Scalability without losing quality

Today, web pages are browsed from different devices and platforms; this can be both a smartphone with a small screen as well as a desktop PC with a giant one. But how to make images and icons look good at any resolution and on any screen, considering that raster formats, such as JPG or PNG can lose quality when resized? Of course, you may create graphics sets for each element, and show an image of appropriate size depending on the screen size of the end user. By placing vector illustrations on the page, you get the same excellent quality image on any device.

Also, vector graphics and clipart support transparency, which significantly expands the possibilities when designing web pages.

Result: sharp-looking images without the hassle to make image sets for different resolutions.

Image size matters!

To get the high image quality native to vector images with raster ones, the resolutions have to be big – which impacts the file sizes accordingly. Vector graphic files are much more compact if they do not contain complex elements.

How to determine, what to use – raster or vector? You have to look at your options, but nothing beats testing. If the file contains a lot of gradients or hues, raster should work better for you; the more defined lines and the less diverse colors in the file, the more the file fits for vector format. Therefore, vector graphics are perfect for icons, logos and 2D graphics – those, which are usually referred to as vector clipart.

After you have determined, which images should be in vector format, you can optimize their file size using special utility programs, which removes the unnecessary meta information and anchor points. Examples of such utility programs:

• GitHub
• SVG optimiser
• SVGOMG

Result: excellent quality with minimal file size.

SVG has navigable DOM and can be animated

With CSS and JS, you may control different parts of the image file – groups or elements. This allows you to use image animation for responsive web page design or to apply filters. The examples are provided later in this article.

Result: interactive and high-quality vector elements, which may be animated and\or responsive to user actions.

How to embed a file in the page?

There are multiple ways to embed vector graphics onto your webpage; we shall have a look at two of them.

Using SVG with <img> tag

You may use the SVG as a typical image using the tag above or as a background.

<img src="flask.svg" alt="Flask SVG">

The downside of such method is that it limits the CSS capabilities to interact with the image.

Using «inline» SVG

SVG may be inserted as a pure code if the file does not contain that many elements. To do this, simply open the SVG file with any text editor and copy its contents directly to your page’s HTML code. Such method permits you to avoid additional HTTP requests from page to server, but most importantly – you may address parts of the file through CSS and JS. Let’s have a look at this example:

The code of your SVG file goes here:

And CSS style for any element of this code:

.flask {
width: 300px;
fill: red;

As you may see, the advantages of using vector graphics for creating web pages are attractive enough to start using vector graphics.

You may create vector graphics by using vector graphics program suites, or you may buy images from vector clipart stock websites.

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