diff --git a/README.md b/README.md
index b2cc208..eda4c00 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,7 @@
 * [Webkaka](http://pagespeed.webkaka.com/)
 * [Modern IE Reporting tool](https://www.modern.ie/en-us/report)
 * [GTmetrix](https://gtmetrix.com/)
+* [PageGuard](https://pageguard.org) - Free all-in-one website health scanner: SEO, performance, accessibility, best practices + AI reports + REST API. No login required.
 
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