Scaling Images Instead of Resizing

In our website the resizing images results worse experience for speed.
Is it possible to serve those images by scaling?

Here is our website speed score: https://gtmetrix.com/reports/www.vintagepornbay.com/opfn0ibk

Here is the message in speed report:
The following images are resized in HTML or CSS. Serving scaled images could save 495.6KiB (92% reduction).

• This topic was modified 7 years, 6 months ago by vpbay.