Not out of the box, but with some custom-css, you can customize any part of the low-code app, including the page buttons:

This override would result in this:

The only requirement is to have public access to the images. If you place them in C:/Skyline DataMiner/WebPages/public, you should be good to go. You can start by modifying this css, just follow the [title="<--page name-->"] + url('<--path/to/image-->') pattern:

[data-cy="app-sidebar.sidebar-tab"] i {
position: relative;

&::before {
content: '' !important;
background-size: contain;
background-position: center;
background-repeat: no-repeat;
inset: 8px;
position: absolute;
}

&[title="Bing"]::before {
background-image: url('/public/favicons/bing.svg');
}

&[title="Google"]::before {
background-image: url('/public/favicons/google.webp');
}
}