You can test your website load time on Pingdom or Google PageSpeed Insights to see how quickly your page is loading. Google understands this and now deems page speed as a ranking factor in their algorithm. Users want information instantly, and if you can’t give it to them fast enough, they’ll find someone that will. Even more exciting, there are additional methods to make your website more optimized for speed.Ĭonsidering that 53% of mobile site visitors leave a page that takes longer than three seconds to load, website speed is incredibly important. When web designers and developers create a website structure for each device, it not only makes web design performance and usability reach new levels, but it makes the site faster. At Blue Compass, we keep mobile-first top of mind while creating responsive web designs, and we start the website design process by creating the mobile design, and then transform it to fit tablet and desktop. This is so important in the mobile-first era, where Google now indexes the mobile version of a website in determining where a site ranks in search. Responsive web design is the process of creating a website which will fit all screen sizes and provide a positive user experience in all browsers, regardless of the device. View the Responsive Image Generator Remind Me - What Is Responsive Web Design? With all the search algorithm ranking factors that revolve around website health and a positive user experience, building a responsive website is a no-brainer these days and has been the industry standard since 2013. These are clear signs you’ve found a non-responsive website, and if you’re like us, you didn’t stay on that site very long. Maybe the images were cut off or proportioned weird, or you had to scroll left to right to read the content on the page. We’ve all experienced frustration when we’ve tried viewing a website on our smartphone just to discover the website wasn’t built for our particular device. Widths and heights on an image can cause issues when you try to alter them using CSS.Improve Website Performance With Our Responsive Image Generator How CSS Interacts With Element Widths And Heights This increases load time by a noticeable amount. ( Large preview)Īs you can see, the impact is considerable - especially on lower-end devices and slow network speed, where images are coming in separately. Performance calculations with and without dimensions. The left-hand side shows the calculations when width and height are provided, and on the right when they are not. The below screenshot shows the performance calculations performed by Chrome on a site I work on which has a gallery of about 100 images. ( Large preview)Įven ignoring the annoying impact to the user in content jumping around (which you shouldn’t!), the impact on the CPU can also be quite substantial. Then the render happens like below, where the appropriate amount of space is set aside for the image when it arrives, and there is no jarring shift of the text as the image is downloaded: Text should not shift if image dimensions are provided so appropriate space can be allocated. So, if we change above example to the following: Your title The traditional way to avoid this was to provide width and height attributes in the markup so even when the browser has just the HTML, it is still able to allocate the appropriate amount of space. On a complex page with a lot of images this can place a considerable load on the device at a time when it’s probably got a lot of better things to deal with! This also puts extra work on the browser to recalculate the page layout as each image arrives across the internet. Layout shifts are very disrupting to the user, especially if you have already started reading the article and suddenly you are thrown off by a jolt of movement, and you have to find your place again. With the above code, this would cause the main content to jump down after the image is downloaded and the space needed to display it can be calculated: Layout shift after image loads. This might render in two stages, first as the HTML is downloaded, and then second once the image is downloaded. Lorem ipsum dolor sit amet, consectetur adipiscing elit… Take for example this simple page: Your title Why Adding Width And Height Were Good Advice
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