Implementing a Moving Background Image with CSS3 or jQuery

I am facing an issue with a background image that has a file size of 4+ MB in PNG format. My website is a single page website and I want to use this background image, but I'm unsure how to go about it.

Is there a way to reduce the size of the image so that the webpage loads faster? Or perhaps there is a CSS3 technique that allows me to load images as the page is scrolled down?

Here is the link to the image I wish to use as a background on my webpage:

Your assistance would be greatly appreciated.

jqueryhtmlcss

Answer №1

One option is to utilize the lazy load plugin available at this link. However, if you prefer a DIY approach, you can achieve image loading by applying a CSS class once the image comes into view.

A helpful resource for implementing this technique is discussed in this particular thread. You can follow these steps:

function isElementInViewport(el) {
    var rect = el.getBoundingClientRect();

    return (
    rect.top >= 0 && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /*or $(window).height() */
    rect.right <= (window.innerWidth || document.documentElement.clientWidth) /*or $(window).width() */ );
}

var yourImage = $('#yourImage').get(0);

if(isElementInViewport(yourImage){
   $('#yourImage').addClass('loadImage');
}

In your CSS file, set the background only when the loadImage class is present:

#yourImage{
    ...
}

#yourImage.loadImage{
    background: url(path/to/yourImage.jpg) no-repeat center;
}

Answer №2

Research more about parallax scrolling before diving into your project. Make sure to also check out this sample link.

JSFIDDLE

//here's the code snippet
$(this).click(function() {
    $("#nav li a").removeClass("active");
    $(this).addClass('active');
    $('html, body').animate({scrollTop: targetOffset}, 1000);
    return false;

Similar questions

If you have not found the answer to your question or you are interested in this topic, then look at other similar questions below or use the search

Troubleshooting problem with iPhone X responsiveness

Struggling with responsive issues on iPhone X. Issue is only appearing on actual device. Any tips for fixing this? I'm facing an issue where the website looks good and responsive on all devices in Chrome's responsive view. But when I access it th ...

javascripthtmlcssangularbootstrap-4

The input field automatically populates with the username that has been stored in the browser's form

Issue: I have created an input field with the type text, but upon page load, it gets automatically filled with a username saved in the browser's form data for this website's login page. I want it to show up clean when the page loads. <input t ...

javascriptjqueryhtmlangularjs

Tips for evenly spacing items in a navigation bar

I'm having trouble centering the logo on the navbar as it always leans more towards the left. Is there a way to resolve this problem using Bootstrap classes? The navbar consists of a dropdown toggle button on the left, the logo in the center, and two ...

htmlcssbootstrap-4

Issue with bootstrap 4 CDN not functioning on Windows 7 operating system

No matter what I do, the CDN for Bootstrap 4 just won't cooperate with Windows 7. Oddly enough, it works perfectly fine on Windows 8. Here is the CDN link that I'm using: <!doctype html> <html lang="en> <head> <!-- Req ...

javascriptjquerycssbootstrap-4windows-7

How can I prevent my JSON object from serializing .NET nulls as "null" for object members?

I am currently utilizing WebMethods to retrieve an array of a custom class. When this array is returned from a Jquery .ajax call, it gets serialized into a JSON object that can be utilized with Javascript in my ASP.NET application. The issue I am facing is ...

javascriptjqueryasp.netjsonserialization

What's the Hold-Up with IntersectionObserver in Brackets?

As a novice in the world of web development, I have been utilizing Brackets as my main tool. Recently, I've encountered a few hurdles specifically related to javascript. One issue I'm facing is trying to implement lazy loading on a div containing ...

javascripthtmlcss

Troubleshooting why Swift Mailer is failing to send emails

Trying to send an email with an attachment using Swift Mailer, but the email is not being sent. As a PHP beginner, I am struggling to identify and fix the issue. Here is the code snippet: <?php require_once 'swift/lib/swift_required.php'; $ ...

phphtmlemailswiftmailer

Retrieve text content using jQuery from two different classes

HTML & jQuery Example <div class="box-a">1 <input type="button" value="Click Me" class="btn-click"> </div> <div class="box-a">2 <input type="button" value="Click Me" class="btn-click"> </div> jQuery Script $(".btn-cli ...

javascriptjquery

Sorting outcomes based on HTML file

Attempting to narrow down results based on certain criteria within a large HTML file. Unsure if my query is attainable, but it never hurts to inquire. Currently immersed in a browser game featuring a vast map measuring 100x100, with each pixel representing ...

htmlvb.nethtml-agility-pack

Achieve a full page layout with content and attach the footer to the bottom using flexbox in Tailwindcss and Nextjs

How can I use flex-grow to make the body section fill the screen and keep the nav fixed at the bottom? I'm having trouble figuring out which elements to apply these properties to. Can anyone provide guidance on which element should have these styles? ...

javascriptcssreactjsnext.jstailwind-css

Utilizing JavaScript for enhancing the appearance of code within a pre element

Is there a way to dynamically highlight the code inside a pre element using vanilla JavaScript instead of JQuery? I'm looking for a solution that colors each tag-open and tag-close differently, displays tag values in another color, and attributes with ...

javascripthtmlpre

Applying a CSS class to a newly generated row with JavaScript

I have a JSP page where I dynamically add rows to a table using a different Javascript function than in my previous query. While I can add elements to the table columns, I'm unable to apply a style class that is defined in a CSS file. Here is my Java ...

javascripthtmlcss

Saving users' dark mode preference on my website

I recently implemented a dark mode feature on my website. However, I noticed that when I enable dark mode and then refresh the page or navigate away, the preference resets. To address this issue, I am looking to store the user's preference as a cookie ...

jqueryhtmlcss

Conditional ngOptions in AngularJS allows you to dynamically update the options

Currently, I am working with a select box that iterates through an array of departments to identify eligible parent departments. <select class="editSelectBox" ng-model="dept.parentDepartment" ng-options="dept as dept.name for dept in depts track by de ...

javascripthtmlangularjs

What is the best way to ensure a bottom tooltip stays perfectly aligned with the right edge of its corresponding element?

Currently, I am trying to implement a tooltip above my progress bar. However, the small tooltip that I have is not functioning correctly... This is how it currently appears: https://i.sstatic.net/ZJUyT.png I need the tooltip to display above the white d ...

javascripthtmlcsstwitter-bootstrapbootstrap-4

Prevent submission until all input fields are completed

Seeking guidance on a jQuery script to disable the submit button until all input fields are filled. Here is what I have so far: $(document).ready(function (){ if ($('#inputName, #inputEmail, #inputTel').val().length > 0) { $("input[type=su ...

jqueryforms

"Utilizing a Font Awesome icon within the dropdown list of a combobox in Ext JS

I have attempted multiple methods to add an icon in the displayfield when a combo box item is selected without success. Here is the fiddle link for anyone who would like to help me with this issue. Your assistance is greatly appreciated. View the example ...

cssextjscomboboxiconsfont-awesome

Guide to selecting and clicking multiple elements with a specific class using jQuery

On my html page, I have the following elements: $(".pv-profile-section__card-action-bar").length 3 I want to click on all of these elements instead of just the first one. Currently, I am achieving this with the code: $(".pv-profile-section__card-action- ...

javascriptjquery

PHP: Syntax error: unexpected empty string (T_ENCAPSED_AND_WHITESPACE)

When trying to retrieve values from a SQL database and set them as unique options for Radio buttons, I am encountering an error. I believe the issue lies in how I am passing PHP code within the value parameter. Can someone please provide guidance on how to ...

phphtmlsql

Styling: How can I create indentation for a specific text area while leaving another unaffected?

I am attempting to format this complete form with an indentation: <%= form_for([micropost, micropost.comments.build], :html => { :id => "blah_form" }) do |f| %> <div class="field"> <p2>Who are you?</p2> ...

cssruby-on-rails-3