A code review is not only a search for mistakes. It is an opportunity to confirm that the implementation is understandable, consistent, and aligned with the experience the product needs to provide. Frontend code is easier to review when its structure reflects the structure of the interface.
Start with semantic HTML and a clear component or section hierarchy. Use names that describe purpose instead of appearance, keep repeated patterns consistent, and avoid hiding important behavior inside a large function. Small, focused functions make it easier for another developer to follow the flow.
CSS deserves the same discipline. Group related rules, use predictable class names, and avoid unnecessary specificity. In JavaScript, separate data loading, rendering, and interaction handling so a change in one area does not create unexpected behavior elsewhere.
A good review also considers responsive behavior, accessibility, error states, and performance. Code that looks correct on one screen but breaks with longer content is not finished. Clear frontend code helps the whole team deliver a more reliable website.
Before opening a pull request, remove temporary debugging code, confirm that data is handled safely, and check that new selectors do not accidentally affect unrelated sections. A reviewer should be able to understand the reason for a change from the code and its surrounding structure.
Reviewable code creates a better development rhythm. Questions are answered earlier, defects are easier to isolate, and future contributors can extend the interface without first having to decode the original implementation.