Your holiday campaign may be ready, but is your website ready for the traffic? A slow page, unexpected layout shift, or delayed interaction can ruin your marketing investment. Don't wait until the campaign launches, now is the time to check for issues. My Web Performance Assessment can identify where you should focus. Your marketing campaign gets customers to the door. Your website has to get them through it.

Web Performance issues can kill a marketing campaign, wasting time and resources, hurting your ROI and bottom line. Learn to recognize web performance issues "in the wild", how they are represented by Core Web Vitals, and how you and your team can use them to resolve user experiences issues before your holiday shoppers arrive!

The holiday shopping season is the most important time of the year for many businesses. But getting someone to your website is only half the job; what happens when they get there? Web performance issues create frustrated users. And frustrated users don't wait, they leave. Learn how to find, and fix, web performance issues before your holiday shoppers arrive!

I reduced this PLP's LCP by nearly 3s just by replacing the JS animation with CSS animation. #NoLoJS FTW.

SRE roles seem to have exploded onto the scene, with frontend performance tossed into the description as if they were free breadsticks. Any idea why the shift of performance focus?

During a client audit, I re-encountered a common, annoying, and harmful, pattern: dupe HTML, instead proper responsive design. Can we please stop this? Happy reducing!

Sharing a few details related to my latest finding from around the world-wide web: Server-Timing Headers Happy timing!

WebMCP stands to fundamentally change how websites are consumed. The deeper I dig, the more I start to wonder whether or not websites in the future will even need visible content?

I will be presenting an all-day Web Performance MasterClass at the WeAreDevelopers World Congress in San Jose, CA from September 23-25, 2026. I have a discount registration codes available if you're interested in attending.

Investigating Wish.com's high LCP led me down a rabbit hole of performance paper cuts. But I was able to reduce their LCP from 7.12s to 1.67s, and that was with only a couple of my recommended improvements in place. Read to find out how!

Comparing three similar, but quite different, "pre-fetch" techniques, explaining how they are similar, how they are different, when each should be used, and how together they create a powerful performance trio.

TTFB? FCP? LCP? INP? CLS? Something else? What's your most important perf metric?

comiCSS Games: games about CSS. Coded in CSS (mostly).

An internal DHS document obtained by 404 Media shows for the first time CBP used location data sourced from the online advertising industry to track phone locations. ICE has bought access to similar t...

Speedcurve’s Page Speed Benchmarks reported Costco.com's LCP averaging at 6.85s. But could it be that CLS is at least part of the problem? Read to find out!

On February 18, 2026, I sat down with Chrisitan Heilmann of Coffee with Developers to chat about NoLoJS and lots and lots of other web-type stuff. Have a listen and let me know what you think!

Speedcurve’s Page Speed Benchmarks reported Nike.com's LCP averaging at 4.36s. I got it down to 1.36s. Read to find out how! @Nike

After YEARS of the same design and having only a blogroll as my home page, I decided to add a landing page in front. Things are likely to change, but would love to hear what you think so far!

An upgrade to the NoLoJS repo, adding an auto-generated static documentation site, with loads of bells and whistles. Would love to hear your thoughts! Happy reducing!