Improving website performance can be a challenging task, especially when it comes to optimizing image weight. A recent article on Dev.to shares a personal experience with comparing different image formats to improve site performance. The author discovered that converting images to an "optimised" format actually made things worse, and instead found that using .webp format with a quality setting of 70% was the most effective solution.

Source: https://dev.to/ezitisitis/was-improving-site-performance-stuck-with-comparing-image-weight-255n