1. What Tumblr theme am I using?
1.1 How can I check it?
From the Tumblr Dashboard select “Customize” followed by “Edit Theme”: your current theme is displayed there.
1.2 Take the Mobile-Friendly Test
Test your URL in the Mobile-Friendly Test tool now. If you get a “mobile-friendly” score, you’re done!
If the score isn’t mobile-friendly, consider changing theme and/or customizing the current one. We have compiled the following documentation to guide you through the process.
2. How can I make my Tumblr site mobile-friendly?
2.1 I want to convert my entire site to a new, mobile-friendly theme.
Simply follow these instructions:
Go to Dashboard > Customize
Select a mobile-friendly theme from the collection: https://www.tumblr.com/themes/collection/mobile-friendly
2.2 I want to customize my current Tumblr theme to make it mobile-friendly.
This can be done by following the Tumblr Blog Customization guidelines.
3. Is my Tumblr site mobile-friendly now?
We hope your site is now mobile-friendly and ready to be served to your mobile audience. We invite you to use the Mobile-Friendly Test tool now.
If the test results are not satisfactory or you have further questions, Tumblr offers great support and help documentation. We also welcome you on our international webmaster forums for additional guidance and support.