1. Log in to your Weebly account.
2. Select your site from the "My Sites" list and Click Edit.
3. Scroll the tool bar (on the left-hand side) down to the More section.
4. Drag-and-drop the EMBED CODE icon onto your page.
5. Click the label "Click to set custom HTML".
7. Click anywhere on the page to save your changes.
8. Check the "Show on all pages" checkbox.
9. Click Publish.