prerender.js

This JavaScript library joins the ranks of solutions designed to pre-render web pages, enhancing performance with minimal effort. The core idea is to leverage idle browser time – that brief moment between hovering over a link and clicking it – to pre-fetch the linked page. This proactive approach minimizes loading delays, resulting in a smoother user experience.

Instant.page is another popular choice, and its efficient approach has led me to implement it on this website. While I'm not entirely familiar with the technical distinctions between prerender.js and Instant.page, they're not the only options available. Google's Quicklink and the more specialized guess.js offer alternative preloading strategies.

It's unfortunate that Safari and Firefox lack support for the <link rel="prerender"> tag. This tag appears to be the simplest method for implementing pre-rendering: on link hover, it would simply point to the link's href attribute, initiating the pre-rendering process.

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