Shortcuts, Tips and Q&A

Essential Shortcuts

Ctrl+T       new tab
Ctrl+Shift+T reopen closed tab
Ctrl+L       focus the address bar
Ctrl+Shift+N incognito window
F12          open DevTools
Ctrl+H       history
Ctrl+Shift+Del   clear browsing data

Productivity Tips

• Type partial URLs; Chrome searches history and suggestions.
• Drag a tab to the edge to snap it to a side.
• Use @ history, @tabs and @bookmarks in the address bar.
• Middle-click bookmarks folder to open all at once.

Interview Q&A

Q: How do you debug network issues in Chrome?

A: Open DevTools > Network, reload, and inspect status codes, request headers and waterfall timings, then filter by type or domain.

Q: How do you test mobile responsiveness?

A: Use the device toolbar (Ctrl+Shift+M), pick a device preset, and throttle network to emulate slow connections.

Q: How do you keep Chrome fast on an old machine?

A: Enable Memory Saver, trim extensions, clear cached data, and review chrome://settings/system hardware acceleration settings.

Key Points

• Shortcuts make the address bar a command center.
• DevTools answers most debugging questions.
• Performance settings keep the browser lean.
• Profiles, groups and sync organize the chaos.