Log into Google Analytics and go to Admin (gear icon in bottom left). In the Property column click Tracking Info/Tracking Code. Copy the Tracking ID that looks like: UA-05797670-1 (example). Log into Squarespace and go to Settings. Click Advanced at the bottom. Click External API Keys. Enter the UA-..... Google analytics account ID number. For Home Page: go to Marketing/SEO For Page Title setting %s :Design/Logo & Title For Alt Text in Squarespace Edit the block and enter the alt text in the caption box. In the Design tab, select a display option from the caption drop-down menu: Do Not Display Caption - No caption displays unless the image is viewed in lightbox.