Optimising images for the web is a tricky business. You have to get the right balance between filesize and picture quality. It is an essential step though. Look at any webpage, and you will see that most of its load time comes from images. Your website will be needlessly slow if you don't drop the sizes of these images.
Image optimization means reducing the size of your images so that they can be quickly displayed on the web. However, it is also important to consider the quality of the images. While you want to reduce the size of the file, it is important to do so in a way that still delivers an acceptable image quality. Balancing visual aesthetics and efficient loading is the true challenge of image optimization.
Why Optimize Images for the Web?
When your web page loads very quickly, users are more likely to return. Load time is a major factor that influences the popularity of a web site. Image files make up the largest pieces of data on most pages. For this reason, image optimization is a vital factor in reducing your site's load time. A web page with optimized images will attract more repeat visitors.
Alt tag is a useful source to serve the problem of many web browsers displaying the image differently, and some browsers even don’t support some types of images in such cases alt tag is very useful.
One of the basic in web design and develoment guidelines is image optimization. Image optimizationinvolves image slicing and resolution reduction which makes file sizes smaller so that images load without taking much time. Specification of the width and height of your images in your HTML code plays an important role.
A right usage of all the image optimization techniques will result in a faster loading of your website. This will save more of your storage space and also data transfer allowance for that content portion your visitors are looking for.
How to Optimize images:
- Alt text is the best description of the image.
- It should be short and simple. Avoid giving unnecessary details using alt tag.
- If your image is decorative text then just use the same text in alt text.
- If the image is the bullets we can leave the alt text blank.
- Use two or three keywords at the most while optimizing images with alt text. Don’t use so many keywords.
- Please make sure that the folder you are storing your images in is not Disallow ( User-agent: * Disallow:) by your robots.txt file.
