The numbers in the table specify the first browser version that fully supports the attribute. Attribute preload4.09.04.03.110.5 Syntax <video preload="auto|metadata|none"> Attribute Values ValueDescription autoThe author thinks that the browser should load the entire video when the page loads ...
To prevent the default render-blocking and to make sure that page resources like fonts and CSS start loading early in the page life cycle, you will need to implement preloading. Therel="preload"attribute value is used to preload assets. It can be applied to several file formats, including C...
A preconnect can be added directly to a link tag as an attribute in the HTML. It can also be delivered through the Link HTTP header or can be invoked by JavaScript based on user activity. Here is an example of enabling preconnect for a CDN URL. <link href="https://cdn.domain.com" ...
To preload your Largest Contentful Paint (LCP) image, use the <link rel="preload"> tag in the HTML header with the as="image" attribute and the image's href attribute, and optionally include fetchpriority="high" for priority loading. Here's a breakdown:1. <link rel="preload">: This ...
Preconnecting can be done using specific HTML tags, such as<link>with therel="preconnect"attribute, or programmatically through JavaScript. The specific implementation details may vary between browsers. It’s worth noting that while preconnecting can improve performance, it should be used judiciously ...
The possibleasattribute values are: audio: Audio file, as typically used in<audio>. document: An HTML document intended to be embedded by a<frame>or<iframe>. embed: A resource to be embedded inside an<embed>element. fetch: Resource to be accessed by a fetch or XHR request, such as an...
In response to Mohammed-Skouti The js include essentially generate script tag which itself doesn't support preload attribute. You can check if https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#fetchpriority is helpful otherwise you can take a look at their implementation https:...
/* The list preloaded objects. */staticconstchar*preloadlistattribute_relro;/* Nonzero if information about versions has to be printed. */staticintversion_infoattribute_relro;/* The LD_PRELOAD environment variable gives list of libraries
In case you need more fine-grained control of theasatribute, you could also provide a function here. When using it, entry name will be provided as the parameter, and function itself should return a string forasattribute: plugins:[newHtmlWebpackPlugin(),newPreloadWebpackPlugin({rel:'preload'...
<link rel="preload"> re-fetches a resource if you change the as attribute whereas <link rel="modulepreload"> doesn’t and so on. For more details, see a discussion in whatwg/fetch. Optional feature: loading dependencies. The specification allows browsers to preload not only the module but...