There is a saying that a picture is worth a thousand words, but in web development, it can be a thousand kilobytes or more which can drastically impact website images not loading quickly. Studies indicate that if a page has not loaded within 3 seconds, up to 40 % of the users will abandon the site. The traffic is detrimental to modern businesses and as responsible web developers it is our job to make sure that website is not loading but you should have insights on how to optimize images for page speed.
If the developer is not careful about website images optimization, then they could incorporate megabytes of data into their webpage. There are numerous things that a developer can undertake at the front end of designing and exploring images to optimize the size and load time.
Images are a one-stop solution on how to optimize images for page speed.
If there are images or icons that are made multiple times on your website then you may consider grouping those multiple images into one image or a sprite. This is of considerable help in addressing the issues of website images not loading slowly. Once you incorporate multiple reusable images, into one image you may notice, that the page weight may increase slightly but the load time decreases.
This happens because we are not making several requests for the images, but rather a single request to the sprite. By using CSS, we can move the image as it is only going to show the part of the sprite that we want to display in a particular element.
CSS has matured over the years, and developers and designers can use it to develop animations, gradients or 3 d objects. Though this may beef up the CSS files and cope with the issues of website images not loading slowly. For using a GIF using CSS animations would be a great alternative, as you have more control over animations used in CSS.
If you are not able to find handy solutions on how to optimize images for web speed there is no need to worry. For optimizing existing images there are various solutions and a few of the favorite ones are as follows
To conclude in the years to come there would be various breakthroughs in how to optimize pages for web speed. Various breakthroughs in optimization such as HTTP/2 new extensions like welp etc. Even there are JavaScript tools like lazy loading where images above the fold are to be loaded first. The loading below the fold images as the user scroll occurs. Lazy loading helps you to drop page time significantly and address the issues of images loading slowly.
For developers, the picture element is also a game changer. Rather than serving one size for every device, small-size images can be served and large images for larger devices. Website image optimization is the tip of the iceberg when it comes to web performance, but has a significant role to play.
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