At one point during the presentation, he demonstrated how he checked that the typography still held the weight on the National Gazette front page redesign (pg. 42).
Since they're fun nuggets of code, I've written a simple bookmarklet that strips colour, images and background decoration from the page, leaving you just the content and typography.
Drag and drop the 'plainify' link to your bookmark bar to install.
MY WORKSHOPMaster Next.js
Everything you need to master universal React with Next.js in a single intense master class. Includes full pass to ffconf, the web developer conf.