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Optimizing your image to improve website speed

February 22, 2019 5:00 pm Published by Ben Anderson

Images are an important part of your website. Data from the HTTP Archive shows that around 60 per cent of the data that people load on their web pages are images. Whether you are operating an e-commerce website, a fashion website, news, or travel portal, image optimization should form part of your SEO strategies. Image optimization is the easiest and most efficient way of improving the loading speed of your heavy website. Here are the techniques that will help you improve speed.

Resize the images

Start by resizing the images to what you require on your web pages. Do not use the HTML or CSS to resize the images. Start by resizing them on the server and send them to the browser. Consider the available third-party image resizing tools for better results. They allow URL-based cropping and resizing.

Optimize the images

The next step involves choosing the right quality and format of the images you post on your website. PNG, JPG and GIF are some of the commonest image formats but they might not be the best for your website. The WebP format combines the best images formats and is at least 30 per cent smaller. Around 75 per cent of the available browsers support it. Considering its performance benefits, it is good you opt for it during the website development stage. A high-quality image will result in a slower website. Standard images are the other good option.

Use images that will load faster on mobile devices

If you want to run a user-friendly website, you should never ignore the mobile devices. The available data shows that around 60 per cent of website traffic comes from mobile devices like smartphones and tablets. And even though mobile phones are now powerful and the networks are better, in some areas, the mobile data speeds are slow. Therefore, you have to be careful when designing your website. If you have a responsive website, choose responsive images.

Use fewer images

Including after the optimization of your images, the website will be slow if the web pages have many images – that will affect the user experience. You do not have to use fewer images all the times. However, when an image is unimportant, do not use it. You can create buttons, advanced elements, and buttons in place of images. The market offers many tools to help you do that easily.

Use good CDN for the delivery of your images

After working on the size of the images on your website, you have to ensure that every image loads faster. By reducing the loading time of an image, you will benefit from faster page loading time and therefore improve the user experience. When using CDN, check whether it supports HTTP/2. The new content delivery protocol is known to speed up the loading speed.


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