Core Web Vitals (CWV) are Google’s page experience signals. For Tucson service businesses, three of them matter, two are vanity metrics, and one is mostly an excuse for agencies to bill optimization hours.
LCP — Largest Contentful Paint
This is the metric that actually matters. Target: under 2.5 seconds. Most Tucson business sites we audit come in at 4-7 seconds, which puts them in Google’s “Poor” bucket. The fix is usually image optimization, server response time, and removing render-blocking resources.
CLS — Cumulative Layout Shift
Matters because users hate jumping pages. Target: under 0.1. Common causes: images without dimensions, late-loading fonts, dynamically-injected ads, third-party widgets.
INP — Interaction to Next Paint
Replaced FID in 2024. Measures how fast the page responds when users interact. Target: under 200ms. For mostly-static Tucson business sites, this rarely fails — unless you’re running heavy JavaScript builders.
FCP and TTFB — useful but not ranking factors
First Contentful Paint and Time to First Byte are diagnostic — they help you find the source of LCP issues. They’re not direct ranking factors and shouldn’t be treated as such.
How to actually test
Run your site through PageSpeed Insights. Look at the “Field Data” section (real-user data from Chrome users). The “Lab Data” section is a synthetic test that’s less reliable. If you don’t have enough field data, use the lab test as a directional signal.
What we do about it
Our custom WordPress builds ship with LCP under 2 seconds out of the gate. We use LiteSpeed Cache (which you have installed — good), WebP image conversion, lazy loading below the fold, and no page builders. Request a free audit and we’ll include a full CWV breakdown for your site.