![]() Using Accessible Rich Internet Applications (ARIA) on your site can also help screen readers identify page structures, interactive elements and divide pages into sub-categories, in order to make it more accessible. Adding in things like images with alt text, to help screen readers describe the pictures to those who are partially sighted can make your pages more inclusive. By making your website more accessible, you can ensure all potential users can access your content - including those with disabilities and users in developing countries. With descriptions that target keywords and accurately depict pictures shown, you stand a better chance of being in the right place on the search engine when users start looking for terms related to your brand. Optimised image descriptions can help play their own part in helping users find pages within your site search function. It’s believed that around 68% of all online journeys, whether business or personal, start with a search engine. Mirroring this stat, 70% of consumers admitted that page speed affects their willingness to make a purchase. An online survey conducted in 2018 found that 70% of online businesses fail because of bad site usability. If you choose relevant, user-focused keywords for images (and throughout your website), you can climb to the top of the results. If you have poorly optimised images that take an age to load, or don’t display on different devices, your site could be in impacted. Making your site easier to browse can boost customer loyalty and lead to smoother conversions. As the name suggests, user experience – or ‘UX’ – is all about fulfilling the needs of the user. This could mean more traffic, sales and enquiries. Optimised images lead to a better overall website performance and user experience. Why do I need to optimise images for the web? Image alt text provides a text-based description of your image to make it more accessible to different users, particularly those with visual impairments.You can optimise these to improve SEO (search engine optimisation) performance. Image descriptions are stored in the metadata of each file.You’ll need to appropriately re-size and scale your images to mobile, desktop and tablet-friendly sizes. Image dimensions are important in providing a smooth user experience on different devices.JPEGs are a common lossy picture file type.Īside from reducing file size, there are a few other ways you can optimise your images for the web too. You’ll get a far smaller file size than lossless equivalents - but this comes at the cost of a gradual (and irreversible) decline in image quality. It permanently discards image data to make it easier to save, store and transfer a file. Some examples of common lossless picture files include PNG and RAW. To do this, the compression algorithm stores certain details of the image elsewhere, so you can revert back to the original file later. Lossless compression reduces file sizes without losing any significant data.Most web-based image formats feature some form of compression to help with this. When you’re optimising images for a website, reducing file size is a key priority. How image optimisation works - the key methods. ![]() Tying together these different strands is essential to a high-performing and visually appealing website. It can also involve tweaking certain details to make your images more searchable and accessible. Image optimisation is all about finding the sweet spot between image data - which can slow down page load times - and image quality, which can enhance a brand or website visually. ![]()
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