Lesson: Using Speculative Loading in WordPress

Details

• Topic description: This lesson teaches the user about the Speculative Loading feature introduced in WordPress 6.8. It leverages the Speculation Rules API to enhance site performance by anticipating user navigation, and preloading or pre-rendering resources accordingly.
• Audience (User, Developer, Designer, Contributor, etc.): Developer
• Learning objectives (What will the learner be able to do as a result of this content?): The user will:
• • Understand the Speculative Loading feature and how it relates to the Speculative API
• • Understand how Speculative Loading enhances the user experience and performance
• • Understand how to use and tune the Speculative API beyond basic usage and integration
• Content type (Online Workshop, Lesson, Course, or Facilitator Notes): Lesson
• WordPress version (optional):
• Will you be creating this content? (Yes or No): Yes

Related Resources

• https://make.wordpress.org/core/2025/03/06/speculative-loading-in-6-8/
• https://developer.mozilla.org/en-US/docs/Web/API/Speculation_Rules_API

Next steps for SMEs

Please follow the team handbook "Vetting topic ideas" to vet this topic.

Start with the related WordPress Core and MDN resources, then follow the Training Team handbook’s “Vetting topic ideas” guidance. Confirm the lesson covers the listed learning objectives for a developer audience, including understanding, performance benefits, and tuning of the Speculation Rules API. Done means the topic has been vetted and the lesson content is prepared for review.