Two Lines of HTML Give Any Travel Blog or Website a Live Carry-On Size Checker for 75 Airlines

A travel blogger emailed me a few weeks ago asking if she could embed our carry-on size checker directly into one of her posts. She was writing a packing guide for budget airlines and wanted her readers to check their specific bag against each airline without leaving the page. I told her no, because the tool was a full-page Astro component with site-wide styles, a navigation bar, and a footer. It was not designed to live inside someone else's site. That request stuck with me. I looked around for