As part of its Page Experience upgrade, Google began implementing Core Web Vitals in mid-June. Using three measures – dubbed Core Web Vitals – Page Experience seeks to enhance the user experience:

the LCP (Largest Contentful Paint), a performance metric for loading times.

The First Input Delay (FID) measures the time it takes a visitor to initiate an action on a web page.

CLS, which gauges the stability of the layout.

Google encourages website owners to enhance the user experience by emphasising certain page performance metrics as ranking considerations. High-performing pages are given more weight in the search engine results, whereas low-performing ones are punished.

According to a new blog post by Google, web developers may use Priority Hints to manage how page components load. Priority Hints make it easier for developers to tell the browser which resources are essential and which aren't, in terms of how the browser handles them. This can directly enhance page performance and Core Web Vitals metrics by assisting in the management of how items are loaded in the browser.

An async and defer property may be used to control the downloading and execution of scripts. You may regulate the loading of other items by using Priority Hints. The "importance" property of high, low, or auto may now be applied to four-page items using Priority Hints.

Priority Hints, according to Google, can help:

For faster LCP, set importance="high" on the LCP image element and increase its priority to "1."

Use semantics instead of hacks to raise async scripts' priority (inserting a link rel="preload"> for the async script).

Improve picture sequencing by lowering the priority of late-body scripts.

Enhance Core Web Vitality with Priority Hints

Existing technologies like "preload," "async," and "defer" don't allow developers as much control over resource download as Priority Hints do.

As opposed to preload, the experimental "importance" property allows a browser to prioritise the downloading of pictures as a category, for example, by setting their significance to "high" and setting other photos to "low." Priority Hints are just that: hints. They are not commands to the browser.

The greatest contentful paint and the first input delay can be improved by ensuring that components that are required in the current viewport when a page is loading are loaded first. In addition, the cumulative layout shift, a Core Web Vital statistic, may be improved. In most cases, when an element is loaded after the page has become interactive, layout adjustments will occur as a result. Visitors may find themselves unable to interact with the material they're dealing with when this occurs. While reading a piece of content, for example a block of prose, or a link that they are going to click abruptly moves away from their cursor. Priority Hints assist keep the browsing experience as smooth as possible.

What's Good for SEO SEO benefits from prior experience

Because of the importance of Core Web Vitals as ranking criteria, every chance to enhance these important page performance indicators also enhances a page's ability to rank highly for relevant searches.. For e-commerce websites, the influence of Core Web Vitals is more pronounced than that of other ranking variables.

Using Priority Indications

Currently, Priority Hints are in what Google refers to as "origin trials." Two years ago, Google tried using Priority Hints in an initial experiment, but only a small number of people were interested. This time around, participation is expected to be significantly larger because Core Web Vitals has taken on a greater significance.

sing the Chrome Dev Tools network tab and the "priority" column while a page is loading, developers may verify the priority assigned to different resources to determine whether or not the "importance" property should be used. To find out more on how we can help you, contact us today.