Lazy loading waits to download an image until the visitor scrolls near it.
A page with 22 photos does not need all 22 before it can show the top. Lazy loading fetches the ones in view first and the rest as needed.
Browsers support this natively now. It is one word on an image tag. Older sites often use a plugin for it, which adds its own weight.
Think Bright pages lazy load images below the fold by default and keep the hero image eager, so the first screen shows fast.
Page weight is the total size of everything a page downloads, measured in kilobytes or megabytes.
Above the fold is what a visitor sees before scrolling.
Largest contentful paint is how long the biggest thing on screen takes to show up.
Requests are the separate files a browser must fetch to show one page.
Paste your URL. We rebuild it, show you the match, and measure the speed. No template. No blank page. Human review from start to finish.
