4 Reasons to Use Image Processing to Optimize Website Media

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4 Reasons to Use Image Processing to Optimize Website Media

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Image optimization is a big deal when it comes to website performance. You might be wondering if you’re covering all the bases by simply keeping file size in check. In fact, there’s a lot to consider if you truly want to optimize your site’s images.

Fortunately, there are image processing tools and content delivery networks (CDNs) available that can handle all the complexities of image optimization. Ultimately, these services can save you time and resources, while also covering more than one aspect of optimization.

In this article, we’ll take a look at the impact image optimization can have on site performance. We’ll also go over some standard approaches to the problem, and explore some more advanced image processing options. Let’s get started!

Why Skimping on Image Optimization Can Be a Performance Killer

If you decide not to optimize your images, you’re essentially tying a very heavy weight to all of your media elements. All that extra weight can drag your site down a lot. Fortunately, optimizing your images trims away the unnecessary data your images might be carrying around.

If you’re not sure how your website is currently performing, you can use an online tool to get an overview.

Results of a website speed test

Once you have a better picture of what elements on your website are lagging or dragging you down, there are a number of ways you can tackle image optimization specifically, including:

  • Choosing appropriate image formats. There are a number of image formats to choose from, and they each have their strengths and weaknesses. In general, it’s best to stick with JPEGs for photographic images. For graphic design elements, on the other hand, PNGs are typically superior to GIFs. Additionally, new image formats such as Google’s WebP have promising applications, which we’ll discuss in more detail later on.
  • Maximizing compression type. When it comes to compression, the goal is to get each image to its smallest “weight” without losing too much quality. There are two kinds of compression that can do that: “lossy” and “lossless”. A lossy image will look similar to the original, but with some decrease in quality, whereas a lossless image is nearly indistinguishable from the original but also heavier.
  • Designing with the image size in mind. If you’re working with images that need to display in a variety of sizes, it’s best to provide all the sizes you’ll need. If your site has to resize them on the fly, that can negatively impact speeds.
  • Exploring delivery networks. CDNs can be a solution to more resource-heavy approaches for managing media files. A CDN can handle all of your image content, and respond to a variety of situations to deliver the best and most optimized files.

As with any technical solution, you’ll have to weigh the pros and cons of each approach. However, it’s also worth noting that these more traditional approaches aren’t the only options you have available to you.

4 Reasons to Use Image Processing for Optimizing Your Website’s Media

As we mentioned above, CDNs are one possible way to solve image performance conundrums on your website. One example of the services a CDN can provide is found in KeyCDN’s image processing.

This particular service is a real-time image processing and delivery option. This means it can detect how a user is viewing your site, and provide the optimal image type for that use case. Let’s look at four reasons this can be a very effective feature.

1. You Can Convert Your Images to Advanced Formats

We’ve already discussed how PNG and JPEG are the most common and recommended formats for graphic and photographic elements respectively. You might not know, however, that there’s a new file format available that might be beneficial when you’re looking to boost your site’s performance.

We’re talking about WebP, which is Google’s new, modern image file format.

webp logoThe WebP logo. Source: WikiMedia Commons

The WebP format can work with both lossy and lossless compression, and supports transparency. Plus, the files themselves hold a lot of potential when it comes to optimization and performance.

This is because WebP lossless files are up to 26% smaller than PNGs of equivalent quality. In fact, KeyCDN did a study to compare just how much of an impact the WebP format can have. It found an overall 77 percent decrease in page size when converting from JPG to WebP.

Consequently, KeyCDN offers conversion to WebP. This feature uses lossless compression, and the most appropriate image can then be served up to each user based on browser specifications and compatibility.

In addition to conversion, there’s also a WebP Caching feature that offers a one-click solution for existing users. Without changing anything else, KeyCDN users can easily take advantage of WebP images via this option.

The post 4 Reasons to Use Image Processing to Optimize Website Media appeared first on SitePoint.

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