But, depending on the type of image, lossless compression could make a file much larger than it needs to be. ![]() "So wouldn't I just always use a PNG file type then?" That is a fair question. PNGs are a good example of lossless compression. Lossless compression reduces the the size of an image file without sacrificing image quality.Some image file types, such as JPGs will interpret pixels of color and will reduce some of the information in the image, to reduce file size and still maintain as much of the images quality as possible. Lossy compression uses inexact approximations and partial data discarding to represent content within an image.So what's the difference between lossy compression and lossless compression in images? To do this there are two categories of data compression lossy and lossless compression. Data compression is a technique in which the amount of data in an image is reduced without the loss of information. Images are optimized by reducing the data that an image contains, called data compression. Understanding lossy and lossless compression are important in choosing the type of file format for an image that you want to upload. ![]() Knowing the right file formats and how different formats handle different types of images can help you understand when and where to use the right file type to speed up your website’s load time and still produce good quality images. Knowing what type of image to use is key. The smaller the file sizes of the images, the faster a website loads.īut you don't want to end up with a grainy or fuzzy looking website, especially in the day of high-resolution screens, to be sure your site is optimized. Because it can be such a major portion of what's loading (and what's slowing the site down), optimizing images for the web is one of the first things we do when we work with a client to improve site speed. Depending on how your site is built, the images could account for the majority of the data that needs to be loaded. When you click a link to visit a website, the server calls all of the files for the site to load on your screen. How do you know where to meet in the middle so that Google won’t penalize your SEO ranking but visitors can still view great images on your site? Related Read: Website Optimization is More than Just Content Why Does Optimizing Web Images Matter? And you need those visitors so you can increase web leads. Even if it's just a few milliseconds, that could be the difference between your site either gaining or losing countless website visitors. When you optimize images for the web, you're reducing page load time and increasing site speed. Google is actually looking to see if you’ve chosen the right types of files for use on the web so that your site will load as fast as possible. But there is one element of your site that you can definitely control to help speed up your website’s load time, and that's images. These are often beyond your immediate control. These are things often outside of a marketer's immediately control and will take a technical specialist to look into. It could be the software that runs your website (ie: WordPress), and/or the hosting server’s response time that's slowing you down. Slow website load times can be caused by several factors so it's a little difficult to pinpoint one thing. And, take a look at our free guide to website must-haves. So how do you make sure your website is blazing fast and meets Google's requirements? Keep reading for more information one major area impacting site speed. (Read our blog for more about site speed: Industry Update: How to Prepare for Google's Core Vitals Update) Page speed has been a ranking factor in Google's algorithm for a while, but in 2021, it's an even bigger part of the ranking factor. Website Load Time Affects More Than Visitors Google has worked very hard to focus on things that are important to their users. Mobile users may give you a little bit longer, but as phone speeds increase, patience decreases with slow loading sites on a phone.Īnd because people prefer faster sites, it's also important to Google. And a lot of the time you're waiting on images to load on the screen.Īccording to several studies, you have about 2 seconds to get a website to load before the visitor is ready to move on. ![]() The "world wide wait." We've all attempted to visit a website that just seems like it takes forever to load. Been where? You know, that website that is soooooo slow.
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