Frontend 路 Intern to senior
HTML questions in interviews are rarely about tags alone. They test whether you understand how the browser loads, parses and renders a page, and how that affects accessibility and performance.
3 of 5 questions match
Clear filtersBoth download the script without blocking HTML parsing. defer waits until parsing finishes and runs scripts in document order; async runs a script as soon as it is downloaded, which can be before or after parsing and in any order.
The browser parses HTML into a DOM and CSS into a CSSOM, combines them into a render tree, computes layout (reflow), paints pixels and composites layers onto the screen.
Core Web Vitals are Google鈥檚 field metrics for real-user experience: LCP (loading), INP (interactivity) and CLS (visual stability). They influence search ranking and are measured on real devices, not only Lighthouse.