Why the Core Web Vitals Update is Crucial to Your Search Performance

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Since the launch of Google’s Core Web Vitals, every webmaster has understood the importance of a site’s performance for better search result visibility. Developers worldwide are improving their projects’ architecture to focus more and more on performance to reach Google’s defined benchmarks. At BionicWP, we have been helping our clients to achieve performance goals so our partners can keep their attention on other areas of their business. 

To understand the upcoming changes, let’s first dive into what Core Web Vitals are.  

Core Web Vitals are the subset of metrics that apply to all web pages. The current set focuses on three aspects of the user experience—loading, interactivity, and visual stability—and includes the following metrics (and their respective thresholds). 

Largest Contentful Paint (LCP): measures loading performance. To provide a good user experience, LCP should occur within 2.5 seconds of when the page first starts loading. First Input Delay (FID): measures interactivity. To provide a good user experience, pages should have an FID of 100 milliseconds or less. Cumulative Layout Shift (CLS): measures visual stability. To provide a good user experience, pages should maintain a CLS of 0.1. or less. During Google’s I/O conference in May 2022, they introduced a new metric called Interaction to Next Paint (INP) which may replace First Input Delay (FID).

INP is a metric that aims to represent a page’s overall interaction latency by selecting one of the single longest interactions that occurs when a user visits a page. For pages with less than 50 interactions in total, INP is the interaction with the worst latency. For pages with many interactions, INP is most often in the 98th percentile of interaction latency.

INP actually measures how fast a page responds to the user’s interaction. For example, when we tap on the menu button, click the carousel arrow, or add an item to an online shopping cart, these actions will be measured by Google to match against a defined benchmark to see how fast your website responds to the user’s input. Most actions are powered by JavaScript. The bigger the JavaScript code on your site, the more delay it will keep adding to the user’s interaction response.

INP will be taking FID’s place in the Core Web Vitals. Maintaining a good INP will be very challenging as compared to the FID. INP will measure all the interactions on your page for as long as the user stays on your site and keeps interacting with it. Since most WordPress sites are bloated with heavy JavaScript libraries, this will be an important issue for all developers to address. Previously, FID only measured the first interaction. This is why it’s so crucial to keep an eye on overall engagement now. 

At BionicWP, we are already closely working with our engineers to launch an advanced solution to keep your site responsive and performing at the ideal baseline (or better) for the Core Web Vitals update. We’ll manage your site’s speed and performance so you can focus on the business. 

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