The WordPress Customizer and Site Identity

In the last lesson, you learned that the Customizer is the safe, built-in way to adjust how your theme looks without editing code. This lesson goes deeper into one specific part of it: Site Identity, and why these small-looking settings matter more than beginners expect.

Finding The Site Identity Panel

Open Appearance > Customize (on themes that support it; newer block themes may show a Site Editor instead, which we'll mention at the end). One of the first panels you'll usually see is Site Identity. This controls your site title, tagline, logo, and site icon (also called a favicon, the little icon shown in browser tabs).

Title, Tagline, Logo, And Icon

Your site title is not just decorative text. It's used by WordPress in page titles, in RSS feeds, and often by themes as the text shown in the header if no logo is uploaded. If Tony Stark sets his site title to "Tony Stark Consulting," that phrase can end up in browser tabs, in search engine results, and in various theme locations, all pulling from this one setting. Changing it later is easy, but it ripples out everywhere the title is used, so it's worth getting right early rather than treating it as a placeholder.

The tagline is a short phrase describing the site, originally meant as something like "Just another WordPress blog" (literally WordPress's own default tagline, which beginners famously forget to change). A tagline for Tony Stark's site might be "Strategy consulting for ambitious teams." Some themes display it prominently; others barely use it. Check your specific theme rather than assuming.

The logo upload replaces the text-based site title in many themes with an image. A common beginner mistake here is uploading a huge, unoptimized image file as a logo, like a 3000-pixel-wide PNG straight out of a design tool. WordPress will resize it for display, but the browser still has to download the full file, which can quietly slow down every single page load on your site. We'll cover this properly in the speed lesson, but the fix here is simple: resize your logo image to roughly the size it will actually display at before uploading it.

The site icon (favicon) needs to be roughly square, and WordPress will ask for a minimum size, usually 512 by 512 pixels, so it can generate the smaller sizes browsers and devices need automatically. Skipping this is harmless but makes your site look unfinished in browser tabs and bookmarks.

Site Identity In Block Themes

A quick note for newer block themes: instead of the classic Customizer, you may land in the Site Editor (Appearance > Editor). Site Identity-style settings still exist there, usually accessible by clicking your site title or logo block directly inside the visual editor, but the overall experience is more like editing a real page layout than filling in a settings form. The underlying ideas (title, tagline, logo, icon) are the same; only the interface differs.

One setting that lives nearby and trips people up: the site icon set here is different from any favicon a theme's demo screenshots show, and different again from the page title tags search engines read (which come from SEO settings, covered in a later lesson). These are related but separate systems, and confusing them leads to wasted troubleshooting time wondering why "changing the title" didn't update everything you expected.

Live Preview Before You Publish

It also helps to know that the Customizer shows you a live preview on the right side of the screen as you change settings, before anything is actually saved and published. Nothing you do inside the Customizer affects your live site until you click the "Publish" button at the top; closing the browser tab, or navigating away, discards your unsaved changes. This live-preview-before-publish pattern is one of the safest ways to experiment in WordPress, since visitors never see a half-finished change while you're still deciding how it should look.

There's no code example needed in this lesson since Site Identity is entirely a visual settings panel, not something you configure with snippets.

It's worth revisiting Site Identity again after your site has been live for a while, not just once during setup. Businesses rebrand, taglines go stale, and a logo that looked sharp at launch might look dated a year later. Because none of these settings touch theme files or plugin configuration, updating them is low-risk and quick, which makes Site Identity one of the easiest parts of a WordPress site to keep fresh over time, unlike a full redesign that might require touching themes, menus, and widgets all at once.

Try It Yourself

Try it yourself: open your Customizer or Site Editor, go to Site Identity, and set a real title and tagline for your project instead of the WordPress defaults, then upload a reasonably sized logo and a square icon image. Treat this five-minute task as more important than it looks; it's the first thing both humans and search engines notice about your site.