В доках lazysizes говорят, что не скрывает картинки от гугла, даже если нет атрибута src:
SEO improved: lazysizes does not hide images/assets from Google. No matter what markup pattern you use. Google doesn't scroll/interact with your website. lazysizes detects, whether the user agent is capable to scroll and if not, reveals all images instantly.
В доках lazysizes говорят, что не скрывает картинки от гугла, даже если нет атрибута src:
SEO improved: lazysizes does not hide images/assets from Google. No matter what markup pattern you use. Google doesn't scroll/interact with your website. lazysizes detects, whether the user agent is capable to scroll and if not, reveals all images instantly.