Learn how to improve your PageSpeed and the Core Web Vitals

Techniques for improving site performance.

Arjen Karel
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I help companies fix the Core Web Vitals, set up robuust Core Web Vitals RUM tracking, improve pagespeed awareness and manage Core Web Vitals best-practice implementation

Sometimes, when I have some time (which of not too often these days) I will write about the Core Web Vitals

Lets talk

The Perfect Chrome Network panel settings for optimizing the Core Web Vitals

Configure the chrome devtools network panel for maximum efficiency

Why the Core Web Vitals 28 day delay is a myth

Understand what Google really means when they say that the Core Web Vitals data is 28 days delayed

Improve the Interaction to Next Paint by ditching JavaScript scrolling

Create a beautiful smooth scrolling experience that does not affect the Core Web Vitals

The FREE last-ditch effort pagespeed optimization script

Speed up your unfixable page with this last ditch effort method to improve even the slowest pages

Speed up Calendly integration

Embed calendly without slowing down the Core Web Vitals

Free Website cache warmer

Pre-warm your websites cache to speed up the Core Web Vitals for free

Instant loading pages with Speculation Rules

Learn how to improve the Core Web Vitals by making pages load instantly with the new speculation rules API

How to yield to the main thread

Yield to the main thread to improve page responsiveness

Prioritizing Core Web Vitals for High-Intent Visitors

Learn how to user RUM data to overcome Core Web Vitals blink spots

The utimate Core Web Vitals checklist

Every little detail you could check when optimizing the Core Web Vitals

Layout Shift caused by CSS transitions

Learn how to find and remove CSS transitions that create layout shifts

Page Speed on a Budget: Cost-Effective Ways to Boost Website Performance

Learn how to improve the Core Web Vitals with budget friendly strategies

When preloading stylesheets does (not) make sense

Exploring the considerations of preloading stylesheets for web performance optimization.

Defer jQuery in WordPress

Learn how to defer jQuery in WordPress for extra pagespeed

The Case for Limiting Analytics and Tracking Scripts

Boosting Page Speed by taking a look at the exces of analytics and tracking scripts on your page

Free Wordpress RUM tracking

Core Web Vitals Real User Metrics for WordPress

Background images are evil

Learn why to avoid background images on your website, how to quickly find background images and how to fix this issue

Understanding Html Reflow and Its Impact on Page Speed

Reflown happens when the browser recalculates the positions and geometries of elements within a web page for re-rendering. Learn how this affect pagespeed.

Self host Google fonts for better Core Web Vitals

Learn how to self host Google fonts and optimize these fonts for better Core Web Vitals

JavaScript Placement: Head vs. Footer – Pros and Cons

Footer or header JavaScript? What does it matter to the Core Web Vitals and which one should you use?

Defer vs Async JavaScript and how this affects the Core Web Vitals

Learn when to async JavaSCript and when to defer it for the best Core Web Vitals results

Defer scripts until they are needed

Learn how to fix the Core Web Vitals by deferring scripts until they are needed

Fix reduce unused JavaScript lighthouse warning

Improve the Core Web Vitals by avoiding unused JavaScript

What is this 'core web vitals score' that you are talking about?

Learn how to answer questions about 'core web vitals scores' as they are bound to enter the conversation at some point

Load a chat widget with perfect Core Web Vitals

Load a chat widget that does not interfere with PageSpeed and the Core Web Vitals

Should you preconnect to ad networks?

Preconnecting to ad networks might seems like a great idea to quickly serve ads but usually this will just slow down ad serving along with other important metrics