How to fix blurry images in sliders

Hello guys,

I use WP Bakery with the Mitech theme for a customer website. Unfortunately, I have the problem that images in the theme’s own sliders only load completely when you click on them.

I suspect it has to do with lazy loading, so I have already used the following script

document.addEventListener('DOMContentLoaded', function() {
var sliderImages = document.querySelectorAll('.logo-slider img');
sliderImages.forEach(function(img) {
img.setAttribute('loading', 'eager');
});
});

to give the images the loading attribute “Eager” and removed lazy loading completely with the following php function

add_filter('wp_lazy_loading_enabled', '__return_false');

Unfortunately, the images still only load on click.

Do you have the same problem?

I hope you can help me. You can find the corresponding slider in the mobile viewport above the footer.

The page I need help with: [log in to see the link]