Add PageGuard to Pagespeed section

[sleepyxpad-jpg]

Adding PageGuard to the Pagespeed section.

PageGuard is a free, all-in-one website health scanner covering:

• SEO analysis
• Performance (Core Web Vitals, Lighthouse scores)
• Accessibility (WCAG checks)
• Best Practices
• AI-generated action plans
• REST API — no login required

A modern companion to PageSpeed Insights and GTmetrix, with AI-powered recommendations.

[gemini-code-assist]

Summary of Changes

Hello @sleepyxpad-jpg, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the project's documentation by including a new tool, PageGuard, within the Pagespeed section of the README.md. This addition provides users with another valuable resource for website health analysis, covering SEO, performance, accessibility, and best practices, complete with AI-generated reports and a REST API.

Highlights

• Documentation Update: Added PageGuard, a free all-in-one website health scanner, to the 'Pagespeed' section of the README.md file.

Changelog

• README.md
  • Added a new entry for PageGuard under the 'Pagespeed' section, including a brief description of its features.

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[gemini-code-assist]

Code Review

This pull request adds a new tool, PageGuard, to the list of Pagespeed tools in the README. My review suggests a minor change to maintain consistency with the existing list format by removing the descriptive text, which will improve readability.

[gemini-code-assist]

For consistency with other entries in this list, please remove the description. The other tools listed here only have their name and a link.

Suggested change

	* [PageGuard](https://pageguard.org) - Free all-in-one website health scanner: SEO, performance, accessibility, best practices + AI reports + REST API. No login required.
	* [PageGuard](https://pageguard.org)