The recommended site icon (favicon) size for the MercuryLite theme is 512×512 px.
- Go to Appearance – Customize – Site Identity.
- Click the Select Site Icon area and proceed to upload the image.
- After uploading, please click the Select button in the bottom right corner.
- To finish, please click the Publish button.
You can also upload a site icon (favicon) in the Settings – General section of your WordPress website.