Tumblr offers a wide selection of free/paid themes users can choose for their site. Themes that are mobile-friendly can be found under the "Look good on any device" category.

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.

Tumblr's Edit Themes menu.

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:

  1. Go to Dashboard > Customize

  2. Select a mobile-friendly theme from the collection: https://www.tumblr.com/themes/collection/mobile-friendly

  3. Save

Tumblr's mobile-friendly themes section.

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.

A positive mobile-friendly score on the Mobile-Friendly Test.

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.

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