Google’s Core Web Vitals Explained
This guide breaks down Google’s Core Web Vitals: what Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS) mean and why they’re essential for great...
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I’ve spent 2 years in love with one challenge: teaching the web to hurry. I thought it was a love affair with JavaScript and markup, but the real flame sparked in a dull conference room at a JavaScript Dev Bootcamp. A beautiful, hand-tuned website that took three milliseconds to paint on my localhost was a giant question mark to the edge node in Orville, North Dakota. After two months of proxy logs and a pile of routing still-life accidents the site got faster—but until it was in production, it had no heart at all. My biggest A/B test ever was a huge e-commerce site, and I still hear the frantic Ops manager’s voice: “The countdown timer at the top of the banner is live, and so is the cash register when the banner disappears. It’s three pm.”
We put every ounce of energy into reworking their whole content delivery network, so when the site not only calmed down but started gliding past traffic records, it felt like the peak moment of my professional life. The celebration reminded me that every smooth website we love stands on the unshakeable legs of a finely tuned CDN.
I kicked off my journey with a Computer Science bachelor’s degree, but the mountain I’ve climbed is made of ongoing study and laser-focused training. The CNPE and the ACDSP—those badges didn’t just go on LinkedIn; they poured me a map through the complex puzzle of modern internet architecture. Now my bag of tricks shines with load balancing wizardry, DDoS shields, anycast wizardry, and video streaming polish, so every performance puzzle that rolls my way is just another riddle waiting for a light bulb.
Sharing what I learn gets me excited, so I’ve had the chance to write for sites that people in tech really respect, like Smashing Magazine and O’Reilly Media. Speaking in front of big crowds at conferences like Web Summit and the Dublin Tech Summit has been special, too—those stages let me swap ideas with other pros about how the web will deliver content tomorrow. These moments keep me in the loop and let me add to the shared library that our industry keeps building, one article and talk at a time.
My top goal is to take the mystery out of web speed so anyone—from seasoned coders to curious future tech leaders—can grab the knowledge they need to move ahead. I actually think a faster and steadier internet makes life a little better for all of us, and I want to hand out straight, simple, and step-by-step advice that gets us there. Writing has become the megaphone for that mission, so I always aim to craft articles that not just inform, but also entertain and reach any reader who gives them a shot.
This guide breaks down Google’s Core Web Vitals: what Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS) mean and why they’re essential for great...
Read more