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google post core web vitals

Google’s Core Web Vitals Explained

Google habitually introduces new changes and updates to their algorithm, along with ranking factor changes. The term Core Web Vitals is the latest new ranking factor that has recently been announced by Google and they are set to come into play in 2021.

Core Web Vitals are important to Google as these are real world experience rhythms or metrics that measure user experience such as website speed, how seamless interactions are throughout web pages, how stable an internet page is up to a certain speed and so on.


As Google has a growing volume of ranking signals, it can be argued that the impact of another signal isn’t too significant. However if your website is relatively new or is currently not getting much traffic, the Core Web Vitals ranking factors could be the one to make all the difference. An example here would be if you were in a competitive market competing for the competitive key terms (which is the vast majority of websites in reality . . .), you would notice a real difference. To get the most out of these changes it is important for web designers to measure and identify how well your website is performing using the three signals for Core Web Vitals.


For example, largest contentful paint (LCP) is a core signal that essentially assesses how fast the web page loading time is. Yet another important signal is the cumulative layout shift (CLS) which in simple terms is where Google is assessing the stability of the web page. We usually see instability in websites viewed through smart phones, when the user selects a button to get to the next page – but instead the website layout shifts out of sync. The third signal is known as the first input delay (FID) which basically assesses the interactive speed of the web page. It is important that web pages can produce a fast result through the browser. There is nothing worse when a user clicks / taps on a link on your website and nothing happens . . .


Google has made it very smooth for web designers to measure and fix any of these issues with Core Web Vitals, ensuring more reliable web pages along with a (predicted) almost 24% increase in traffic. This is because users are less likely to abandon a website once these three signals are in place accordingly. With approximately six months to go, soon web designers will be able to dive a little deeper when assessing your website performance and with that comes some technical backend wins to keep your site up to speed and search engine optimised!