The Speculation Rules API is designed to improve performance for future navigations. It targets document URLs rather than specific resource files, and so makes sense for multi-page applications (MPAs) rather than single-page applications (SPAs).

Eleventy plugin to add speculation rules to your build process

A webpack plugin to add speculation rules to the bundling process.

Your links, loaded before the click. Click prediction with TypeSafe Jev, wired into Speculation Rules and Nuxt preloading.

Angular library for the Speculation Rules API - Enable prefetching and prerendering for faster page navigations

Adaptive prefetching — learns which pages to prefetch using Bayesian Thompson Sampling + Speculation Rules API

SSR page middleware for @youneed/ssr: inject the Speculation Rules API <script> (prefetch/prerender) from a page's declared rules.

A simple wrapper for the Speculation Rules API

Make your site's pages instant in 1 minute — modernized fork of instant.page with TypeScript, Speculation Rules API, and PointerEvent

## Go to [https://github.com/uNetworking/uWebSockets.js](https://github.com/uNetworking/uWebSockets.js).

Faster subsequent page-loads by prefetching in-viewport links during idle time

Speculation Rules at runtime: prerender the page a user is about to click, with hover rules, Save-Data respect and the activation lifecycle handled.

June — the agent-native React framework. Contract layer (pure, host-free).

Speculation API component for react.

Intent-aware prefetching. Predicts where the cursor is headed — proximity + trajectory — and prefetches (or prerenders via the Speculation Rules API) the link a beat before the click. Zero-config, ~4KB, framework-agnostic.

Simple functions shared among the sinon end user libraries

Flowtype linting rules for ESLint.

Accessibility engine for automated Web UI testing

Shareable commitlint config enforcing conventional commits

SonarJS rules for ESLint