Confirmation of delete triggered by Delete key shortcut

My webapp has a list of notes. Deleting a note is comparable to deleting a file. The underlying storage does not currently allow a trash-can paradigm (undoable delete). So, deleting a note is a two-step process. Using a mouse or touchscr…
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How to indicate window focus without being too subtle or too heavy handed?

My application has a window that shows the waveform of an audio sample and the text transcript of that audio:
Sometimes you want to navigate within the audio and sometimes you want to work on the text.
My intent is to allow focus in eithe…
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Simultaneous vs sequential key combinations

Some programs use sequential key combinations: screen, ratpoison, vim: you press a key and release it and now you press the command key.
Others use simultaneous keys e.g. firefox quits with ctrl+q.
What determines which approach to take wh…
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Navigate with tab key and use text editor with tab key

We have an application that includes a text editor.
As you know, it is a good practice on the web to let the user also navigate with the tab key (WCAG 2.1.1, 2.1.2).
My question is that if you need to move between paragraph, section and po…
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Browser shortcuts statistics

Im looking for some statistical data about using shortcuts in Chrome or any other browser. What users use the most and the least? haven’t found anything on the web, anyone got an idea where can I get some info about this?