Speed up your website.

Easily Defer (Lazy Load) All Offscreen Images
Deferring (lazy loading) images can massively improve your website’s actual and perceived performance. Unfortunately, setting it up is still more difficult than it should be. Read more...
What Is First Contentful Paint (FCP)?
On the web, first impressions are everything. And with a slow FCP, you don’t have a chance of making even a decent first impression. Read more…
First Input Delay (FID): What It Is & How to Optimize It
FID represents one of the three pillars of Google's Core Web Vitals program - Interactivity. Measuring your FID is also a great way to determine the first impression your website makes. Read more...
What is Total Blocking Time (TBT)? [New Page Speed Metric]
Users hate unresponsive pages. But not all unresponsive pages are the same. The TBT metric measures the severity of the unresponsiveness by performing a granular analysis of each task on the main thread. Read more...
What is Cumulative Layout Shift (CLS)?
CLS is a completely new and unique website performance metric. It's part of Google's PageSpeed Insights tool and will soon be a ranking factor. Read more...

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