What is the purpose of image optimization on websites?

Image optimization improves website performance by reducing image file sizes, which can enhance loading speeds, improve user experience, and boost SEO rankings.

How much can image optimization reduce file sizes?

Image optimization can reduce file sizes significantly. For example, the Smush plugin reported a total file size reduction of 62,121 bytes from an original size of 1,005,555 bytes, achieving a reduction of approximately 6.18%.

What is the difference between lossy and lossless image optimization?

Lossy image optimization reduces file size by permanently removing some image data, which may slightly affect quality. Lossless optimization reduces file size without any loss of quality, preserving the original image appearance.

How does image optimization affect website loading times?

Optimized images load faster, decreasing overall webpage loading times. This improvement can lead to lower bounce rates, higher user engagement, and better search engine rankings.

Can plugins automatically optimize images on WordPress?

Yes, many WordPress plugins, like Smush, can automatically optimize images upon upload, and even provide options to bulk optimize existing images to improve website performance.