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What is a good image size for websites?

Visual content is incredibly important for a website to encourage engagement with its content as well as improving the user experience.

Carefully-chosen images can also help your Search Engine Optimisation (SEO) efforts, and assist in driving organic traffic.

For continued optimal website performance, there are guidelines you should follow when it comes to selecting appropriate image sizes for a website.

What size should an image be for a website?

The best image size for a website largely depends on the type of image that is being displayed.

For example, background images should usually be from 1500 pixels to 2500 pixels wide.

Furthermore, full-width images should be at least 1400 pixels wide, while half-width images should be at least 700 pixels wide.

For small icons and logos, a size of at least 100 pixels wide is recommended.

With gallery images, there is no set size to select as long as larger sizes do not compromise the quality of an image.

What size should images be for website products?

The recommended size for website products depends on various factors like the website’s design and layout. These images should be large enough so that they are easily viewed by users but not so big that they dominate a page.

They should also be high-resolution to ensure that they are of sufficient quality.

In most cases, images for website products should be at least 2000 pixels on the longest side.

This means that they are optimised for easy viewing as users can zoom in on them. For that reason, the size of a website product image should be big enough to be shown in detail when displayed on desktop computers while also displayed appropriately and proportionately on mobile devices.

They should also not be too large because this risks slowing the load times of your website, which can create a negative user experience.

In terms of the exact size, they will need to be below 200KB to make sure that the website doesn’t lag. With regards to aspect ratio, it is also vital to make sure it is consistent across all product images as this will create a seamless browsing journey.

When it comes to website product images, it is important to take time to test different image sizes to see what suits your website best, but always keep in mind that you need to preserve image quality while ensuring that your website is performing well.

What size should I resize supplied images for website?

Supplied images are those that are provided by a digital service, and they can be useful for promoting services or products. When using supplied images, it can be necessary to resize them when you are putting them up on your own website.

Supplied images should be resized according to your specific circumstances.

As a rule of thumb, background images sizes should start from 1920×1080 pixels while a hero image, which is a large image that is displayed at the top of a website, should be around 1280×720 pixels.

Furthermore, the recommended size for a website banner is 250×250 pixels, while blog image should be 1200×630 pixels.

In terms of file size, the ideal image file size for your website should be less than 500KB. Anything that exceeds this number can negatively impact the loading time of your website. 

For normal images, it is best to keep the file size below 100KB and 200KB for large images.

Want more direction?

Following the appropriate guidelines when it comes to image sizes for websites is imperative for its functionality and performance.

In fact, as the digital landscape is becoming more competitive, there are heightened expectations for websites with many people hoping to see high quality and correctly-sized images being displayed.

Fortunately, navigating the world of website creation does not need to be done alone.

At Aqueous Digital, we provide SEO services for businesses based in Yorkshire, including Leeds and Sheffield, that help establish an online presence.

Whether you’re on a mission to find solutions, or want advice with regards to sizing images for your website, we can supply the answers.

Our services include reputation management, content strategy and SEO which can be tailored to your individual circumstances.

So, why not contact us by giving us a call on 0800 285 1424, making an initial enquiry at, or using our quick and easy online contact form to register your interest?

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