This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
Is it a problem?
If you want to download or share it, it is
At least in jerboa when I download the image it gets saved as PNG. It could be that the web ui shows images as webp by default to make it faster or save resources