https://salesforce.ucm.iu.edu/creating-emails/best-practices/mobile.html
Mobile: Best Practices: Creating Emails: Salesforce Marketing Cloud User Guide: Indiana University
Understanding mobile responsive emails, and why it's important for all emails to be optimized for mobile devices.
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https://developers.google.com/search/docs/crawling-indexing/mobile/mobile-sites-mobile-first-indexing
Mobile-first Indexing Best Practices | Google Search Central | Documentation | Google for Developers
Discover what Google mobile-first indexing is and explore best practices designed to improve user experience in Google Search.
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