Weebly is known to have an issue that causes some Add to Calendar buttons to not display correctly on webpages. To fix the issue, follow these steps:
- In your Weebly dashboard, click Edit Site next to the website you placed your Add to Calendar button on
- Click Settings in the blue bar on the top of the page
- Select SEO from the options on the left side
- Scroll down the Header Code section and paste this text inside the box:
To finish, Click Save in the bottom right corner.
*Note: If you already have some text inside the Header Code box, simply add a new line and add this at the end.