Get your WOVN.io Code Snippet on your Project Page: click on the ellipsis icon of the project you want to work on and select ‘Code Snippet’ from the drop-down menu.
Select “Tumblr (CMS)” from the drop-down menu, click on the icon next to the Code Snippet to copy your WOVN.io Code Snippet.
Log into your Tumblr account, click on the person icon on the top right of the screen and, from the drop-down menu, select “Edit theme”.
After the screen loads, click on “Edit theme”.
Click on “Edit HTML”.
Add your WOVN.io Code Snippet to the <head> tag in the HTML code and click “Update Preview” and save before leaving the edit screen.