...
<img alt="image01.jpg" src="/globalassets/fotoware/2024/6/image01.jpg?format=webp">
Adding query parameters
<img alt="image01.jpg" src="/globalassets/fotoware/2024/6/image01.jpg?format=webp">
@Html.PropertyFor(x => Model.CurrentPage.ContentReferenceOptimizely, new { QueryParameters = "format=webp&quality=80" })
Output
<img alt="image01.jpg" src="/globalassets/fotoware/2024/6/image01.jpg?format=webp&quality=80">
...