The frontend is everything a visitor actually sees and interacts with when they load your website — the design, layout, text, and images displayed in their browser.
It’s the opposite of the backend, which handles the behind-the-scenes logic, database, and admin dashboard that visitors never directly see.
What Shapes the Frontend
In WordPress, your theme is largely responsible for how the frontend looks, while your actual posts and pages provide the content that fills it in. Plugins can also add or change frontend elements, like a booking form or a pop-up notice.
Why the Distinction Matters
If something looks visually wrong — broken spacing, missing images, odd colors — that’s typically a frontend issue, usually tied to your theme’s CSS or a plugin conflict. If the site won’t load at all, that points to a deeper backend problem instead.