WordPress Image Optimisation – Website Maintenance Tip

How your images load on your web pages plays a vital role with your website maintenance and overall performance. A very high percentage of website owners fail to optimise their images correctly within WordPress, which has a knock on effect with your load time and Google rankings. In this article i will go through some great tips and tools to boost your overall load speed and performance. Can I Do This Myself?
Importance: 99%
Difficulty: 59%
Time Required: 77%
The Common Image Optimisation Mistakes
I’m going to take a wild guess and make this bold statement! If you built a website yourself in WordPress then the chances are, nearly all your images are not correctly optimised! DIY website builders believe that if you get the highest quality images possible, your website will look great. Now, to an extent, this is true but within reason as i will explain below.
Another common error is the file extension or image type you have saved the images. PNG images store a huge amount of data causing the image size to be enormous! In 99% of images, the only reason you may need a PNG image is if you require a transparent background. If this is not required then there’s no need for a huge
Source: https://managewp.org/articles/13783/wordpress-image-optimisation-website-maintenance-tip

source https://williechiu40.wordpress.com/2016/11/07/wordpress-image-optimisation-website-maintenance-tip/