Developer shares three mobile UI bugs that delayed Quietbench API tester launch

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A developer building the mobile version of Quietbench's API request tester encountered three persistent UI bugs that consumed more time than the entire desktop build. A CORS warning banner designed for wide screens either obscured the response panel or became unreadable on narrow viewports. The URL input row — combining a method dropdown, URL field, and Send button — caused the URL field to shrink to just a few visible characters on small screens, making it nearly unusable. The Send button also proved problematic, frequently disappearing off-screen when the keyboard opened or sitting too close to other tap targets. The developer noted the core lesson: responsive design requires rethinking layouts for mobile, not simply scaling down desktop interfaces.

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