While investigating a site-speed anomaly, I discovered a critical bug that was silently breaking performance monitoring for potentially many WordPress sites.| Blog @ Erwin Hofman
This is a heads-up when using latest WP Rocket (13.9) on your WP or WooCommerce site. Preconnecting to third parties now comes out of the box, but comes with a sitespeed trade-off.| Blog @ Erwin Hofman
Preloading fonts can speed up or slow down your site. Learn how it affects FCP/LCP, how Chrome handles preloads, and when to use them for better performance.| Blog @ Erwin Hofman
I’ve spent years knee-deep in Lighthouse in my first few pagespeed years. I always assumed that one part was intentional design decision, but after 5 years I learned I was wrong.| Blog @ Erwin Hofman
This year, Google is hosting Google I/O Connect in Berlin. This is the follow-up of the main event in Mountain View USA. Google Experts and Developers from across Europe, Middle East and Africa will be joining to explore Googles latest products and solutions. with live sessions, hands-on activities, and demos. There’ll be plenty of time to network, too.| Blog @ Erwin Hofman
This blogpost contains links from my last slide and will be updated to also include the PDF.| Blog @ Erwin Hofman
Although not part of the set of Core Web Vitals, TTFB is an important page speed metric. However, it poses more challenges for e-commerce sites compared to other types of websites, static sites included. Nevertheless, what is considered a good TTFB for e-commerce?| Blog @ Erwin Hofman
This is a follow-up post where I elaborate on how to easily detect a broken to identify invalid HTML.| Blog @ Erwin Hofman
Watch out for invalid HTML elements in yourHTML head. A div, input or img can result in unexpected browser behaviour, slowing down page performance.| Blog @ Erwin Hofman
"Does anyone have a good hello world demo for a project with INP issues?"| Blog @ Erwin Hofman
Let's support my previous claims by actually researching the performance impact of using a JS and CSS-only solution for headline text balancing| Blog @ Erwin Hofman
New to INP or caring about web performance, and living in or nearby the south of The Netherlands? You're in luck. There will be an event next Thursday, where I will talk about INP.| Blog @ Erwin Hofman
The moment all performance -and maybe SEO- specialists have been waiting for has arrived: Google has announced the INP deadline!| Blog @ Erwin Hofman
Evenly and aesthetically distributing your text on available lines? Use `text-wrap: balance` instead of JavaScript and improve web performance & INP of your website.| Blog @ Erwin Hofman
It's a wrap! The organizers of the yearly performance.now() conference managed to raised the bar once again for next year's edition.| Blog @ Erwin Hofman
Before the performance.now() conference days started, I visited Google headquarters in Amsterdam and also gave a presentation on INP and the LoAF API during a performance meetup.| Blog @ Erwin Hofman
Here are ways to log the redirect time and TTFB. Just copy & paste it into Chrome's JS Console to see the complete waiting time (including redirect time) when clicking on your own Google + FB Ads, for example.| Blog @ Erwin Hofman
You quickly want to check for unnecessary redirects to prevent them from impacting your SEO and PageSpeed. But you don't want to use other tools? You can easily do it by using DevTools, in 3 simple steps.| Blog @ Erwin Hofman
Yesterday's big news was that X is delaying links to its competitors by up to 5 seconds. It was claimed to be resolved, but I can confirm that not only was it occurring before, but with a delay of 2.6 it is still occurring now. Let's dive in.| Blog @ Erwin Hofman
Whatever you do as a third party, there's an interesting nuance that we ran into with a Matomo implementation. The issue: the website was too quick.| Blog @ Erwin Hofman