How does compressing images enhance website speed?

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How does compressing images enhance website speed?

It is believed that sixty four percent of the average size of a website is made up of images. This means your images are the largest contributors to how quickly your website loads. Page speed has major impacts on user experience (UX), engagement, and your conversions. Visitors these days expect a fast and responsive website.

Optimising Images for Website Speed

 Image optimisation involves converting images into a small file size, without compromising on quality. Along with a reduced file size, images do not need HTML or CSS resizing, that means browsers are able to render the images as is on the web page displayed to your visitor.

How does compressing images enhance website speed?
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When it comes to optimising images for website speed, there are four common options. We recommend using all of them to achieve the best balance in terms of image quality and image file size:

Dimensions

In order to compress your images to improve website speed, you will want to resize them. Taking a photograph with a 24 megapixel camera, means your image can take anywhere up to sixteen megabytes. That is four times the size of an average websites. You can reduce the file size by reducing the size of the image.

Compression

You can also use lossless and lossy compression to reduce the size of your images. Lossy compression reduces redundant pixels inside the image, while lossless reorganises the data within the image, but will not impact the pixels.

Metadata

You can also optimise your images by doing away with unnecessary metadata in the image. Many cameras add GPS data, colour profiles, descriptions, and camera details, along with other data into images. As you can imaging this is all taking up unnecessary space.

Make Use of Caches and Content Delivery Networks (CDNs)

Most web applications involve trips between the browsers and server, and then back again. Websites do not load until all the critical rresources are completely downloaded. This is the problem for mobile devices and if you have a slow connection.

Cashing is an effective way to store assets on user's browsers. Once they have visited your website once, it stores these assets, eliminating the need to download the website in the future. Images are great for cashing, due to their size and the fact they do not change often.

You can also use a content delivery network to distribute your images to cashing servers. This means when someone in the UK downloads an image from a server, it comes from a server in the UK, speeding up the website loading times.

Carry Out Regular Tests

You need to pay close attention to your website seed in order to ensure you provide a good user experience (UX), while improving your ranking in SERPs. If you are unsure if your images are the problem, you can use Google PageSpeed Insights, identifying any problems with your website, along with advice on how to fix the problem.

Conclusion 

As you know website speed is an important ranking factor. Users today expect web pages to open within three seconds. A second delay can result in them leaving your website and heading to your competitor, increasing your bounce rates and negatively impacting your SEO efforts.

If you want to speed up your website, consider compressing and optimising your images, reducing their size, ensuring they do not slow down your website load times. Contact Genie Crawl today and let us assist compress your images to enhance website speed.

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