Mobile Friendly Test

Topics: Performance and preview

Coming soon

This tool usually needs secure server-side calls, third-party APIs, or heavy processing (for example live DNS, WHOIS, or crawl jobs). We are wiring a safe version next—use the working tools in the sidebar for now.

Guide: Mobile Friendly Test

Topics in this category: Performance and preview

Mobile-first indexing

Google predominantly uses the mobile version of content for indexing and ranking. Your mobile UX should match or exceed desktop for critical content and structured data.

Test real devices and emulators; watch for horizontal scroll, tiny buttons, and content hidden behind accordions that remove value from the default view.