Leenheer is best known for creating HTML5test.com, the WhichBrowser user-agent parser. He began exploring a CSS-based Doom ...
Images are the Largest Contentful Paint element on 85% of desktop pages and 76% of mobile pages, according to the 2025 HTTP ...
MUO on MSN
Extensions, plugins, and add-ons aren't the same thing — and I've been mixing them up for years
Three names, three roles, and I mixed them up without realizing it.
EmDash, the secure serverless CMS successor to WordPress, fixes plugin risks and empowers global publishing in the AI era.
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