my testing code is below

<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-100" src="images\banners\Toronto.webp" alt="First slide">
<div class="carousel-caption d-none d-md-block">
<h5>Toronto</h5>
<p>Hello</p>
</div>
</div>
<div class="carousel-item">
<img class="d-block w-100" src="images\banners\PRIME-Header.webp" alt="Second slide">
<div class="carousel-caption d-none d-md-block">
<h5>Fever-Tree</h5>
<p>Mixers</p>
</div>
</div>
<div class="carousel-item">
<img class="d-block w-100" src="images\banners\Essentia.webp" alt="Third slide">
<div class="carousel-caption d-none d-md-block">
<h5>Essentia</h5>
<p>Water</p>
</div>
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>

the webp images not appear but if I use .jpg they do.