How can I display a loading gif until an entire html page has been loaded

Question

I have a webpage that\'s pretty intensive via HTML and CSS, which leads to some elements loading faster then others when a user visits the page. The background may take awhi

Answer 1

I have implemented in Laravel and it worked as expected,

<style>
.loader {
            position: fixed;
            left: 0px;
            top: 0px;
            width: 100%;
            height: 100%;
            z-index: 9999;
            background-color: #ffffffcf;
        }
        .loader img{
            position: relative;
            left: 40%;
            top: 40%;
        }
</style>

<div class="loader" ><img src="{{asset('public/img/loader.gif')}}"></div>

<script>
    window.onload = function() 
    {
        //display loader on page load 
        $('.loader').fadeOut();
    }

</script>

Answer 2

    <div id="overlay"></div>
<style>
    #overlay {
        position: fixed;
        background: rgba(0,0,0,0.8);
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
    }
    .hide {
        display: none;
    }
</style>
<script>
    $(window).load(function() {
     $('#overlay').addClass('hide');
    });
</script>

Answer 3

Use the following HTML (at the top of the body is best):

<div id="loading"></div>

And this CSS:

#loading {
    background: url('spinner.gif') no-repeat center center;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: 9999999;
}

And the following JavaScript (uses jQuery):

function hideLoader() {
    $('#loading').hide();
}

$(window).ready(hideLoader);

// Strongly recommended: Hide loader after 20 seconds, even if the page hasn't finished loading
setTimeout(hideLoader, 20 * 1000);

You could put the styles inline on the div instead of in a stylesheet for less chance of a flash of content before the loader. Also, you could use https://www.askapache.com/online-tools/base64-image-converter/ or a similar tool to convert your GIF to a base 64 URI, and use that instead of spinner.gif.