Masterclasses: Empower Your Talent – CSS Wizardry

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Dive into highly focused, highly specialised, highly advanced web performance tutorials, on demand. Bite-sized, live, remote workshops to take your team from zero to expert on the topic of your choice.
Thank you so much for the excellent session, Harry—it was a lot of fun. The team was jazzed by what they learned and were amazed by how prepared you came and all of the ideas you helped spark for ways forward.
We appreciated your thoroughness, insights, expertise, and the thoughtfulness you brought towards your prepared materials.
masterclass /ˈmɑː·stə·klɑːs/ noun A class given by an expert to highly talented students.
Your team is great, and they know most of it all already. They don’t need a week-long bootcamp—they need to fill a few empty gaps. They need a Masterclass. Pick a topic that you want to level up on, and get it done. Struggling with performance budgets? Not anymore. DevTools confusing you? You’re not alone. Need to streamline your workflows? We’ll be there in no time.
Become web performance experts in the time it takes to watch a movie.
We’ve done PageSpeed Insights and now we want to level up! Let’s get started with WebPageTest…
Getting started with WebPageTest can be pretty daunting, but this Masterclass will get you comfortable and confident with the basics:
Enquire about WebPageTest: An Introduction
WebPageTest is the gold standard in performance testing, but are you getting the most out of it?
WebPageTest is pretty powerful as-it-is and out-of-the-box, but it can do so much more! Let’s learn:
Enquire about WebPageTest: Power User
DevTools are amazing! But that can make them intimidating. Let’s get you all set up with the most finely-tuned Chrome DevTools possible.
Performance testing becomes a lot more reliable if you have a forensic environment. It gets a lot more replicable if your entire team shares the same setup. This Masterclass will show you the ultimate configuration to make your DevTools as accurate and trustable as possible, as well as the secret tips, tricks, and workflows needed to take performance testing to the next level.
Enquire about Setting up DevTools for Performance Testing
With an overwhelming focus on Core Web Vitals (which are Chrome-only, for now), it’s all too easy to overlook our iOS users! Let’s fix that.
As WebKit is a fundamentally different rendering engine, it requires a whole different approach when it comes to auditing web performance on iOS. Let’s look at the tools and workflows needed to keep your iPhone users smiling.
Enquire about Performance Testing in Mobile Safari
You know your website is slow, but do you know why? Let’s find out together…
Let’s look at processes for early analysis: how do we quickly figure out the root causes of our issues? How can we hone in on problems as effectively as possible? Not only will this Masterclass help you troubleshoot current issues, but the techniques we learn can be transferred to any project at all!
Enquire about My Website Is Slow—Where Do I Start?!
A live, realtime, interactive site-speed audit of your web app.
Want a realtime, in-person audit of your site or app? This Masterclass will combine aspects of all other Masterclasses, but not with the same depth. A teardown will give you actionable insights while also demonstrating the techniques and strategies I use to begin performance audits.
Enquire about a Site-Speed Teardown
Not listed here? Let’s design it together!
If you have an idea for a custom curriculum, or the things you’re interested in aren’t already available, let’s work together to design a custom Masterclass.
Enquire about a Custom Masterclass
Level up your SEO offering by providing Core Web Vitals audits!
If you’re an SEO specialist, you know better than anyone about the importance of passing Google’s Core Web Vitals. In this Masterclass, I will show you how to get started debugging these issues yourself so that you can better service your SEO clients.
Enquire about Core Web Vitals for SEOs
Performance budgets, real-user monitoring, regression thresholds, and incident response. Get it all covered here.
Building a performance culture becomes a lot easier if you have the right tools and processes in place. Thankfully, I have helped dozens of companies set up effective, robust, and pragmatic monitoring to make keeping on top of site-speed a breeze.
Enquire about Effective Performance Monitoring
Struggling to tell your max-age from your Expires? Your Last-Modified from your Etag? Not any more!
Caching is a confusing and often contradictory subject. Which headers do we need? How long can we cache something for? How do we guarantee something will never get cached at all?! In this Masterclass, we’ll look at the different options we have available—and what they do—as well as suitable strategies for our own projects.
Enquire about Caching Strategies for Everyone
A specific Masterclass to deep-dive on Largest Contentful Paint—what it is, how to debug it, and how to improve it!
Largest Contentful Paint is one of three Core Web Vitals, and is currently the one that most sites struggle with! Are you one of them? This Masterclass will help us identify key contributors to LCP, and opportunistic upgrades to improve it.
Enquire about LCP Deep-Dive