📊 State of Magento 2025

The Home for Magento 2 Excellence

Quality-tested Magento 2 modules. Explore. Evaluate. Elevate. #magento2

613 Modules
401 Ready
211 Need Help
🏆 Leaderboard
Stale v1.0.3

Module Speculation Rules

swissup/module-speculation-rules

Implements Google's Speculation Rules API for Magento 2, enabling speculative loading strategies to improve page load performance. Uses JSON configuration for prefetching and prerendering URLs.

26,559
Downloads
Below average
1
GitHub Stars
Below average
2y ago
Last Release
0
Open Issues
Build Passing
Ready to install

Build Tests

Composer Install
DI Compile
Templates

Code Quality

CS Coding Standard
8 warnings
PHPStan Level 8

Tested on Magento 2.4.8-p3

Recent Test History

Each release is tested against the latest Magento version at that time.

v1.0.3 on Magento 2.4.8-p3
Dec 27, 2025

Share This Module's Status

Module Speculation Rules Magento compatibility status badge

README

Loaded from GitHub

Magento 2 Speculation Rules module

Description

The Speculation Rules API is a JSON-defined API developed by Google to enhance the performance of web page loading through speculative loading strategies. One more description by Mozilla MDN.

How Does It Work?

Google's Speculation Rules API is designed to target document URLs rather than specific resource files. The Speculation Rules API introduces a more expressive and configurable syntax for specifying which documents should be prefetched or prerendered. With a structure defined in JSON format within a script type="speculationrules", developers can articulate rules for both prerendering and prefetching. This enhanced flexibility allows for fine-tuning speculative loading.

Pagespeed Impact

Prerender with the Speculation Rules API

Browser Support

Can I use Speculation Rules?

Installation

For clients
cd <magento_root>
composer require swissup/module-speculation-rules
bin/magento module:enable Swissup_SpeculationRules Swissup_Core
bin/magento setup:upgrade
For maintainers
cd <magento_root>
composer require swissup/module-speculation-rules:dev-master --prefer-source
bin/magento module:enable Swissup_SpeculationRules Swissup_Core
bin/magento setup:upgrade

This content is fetched directly from the module's GitHub repository. We are not the authors of this content and take no responsibility for its accuracy, completeness, or any consequences arising from its use.