Edit any website javascript trick for mockups

Ever wanted to test new headlines right on your own homepage before pushing them live? This little JavaScript trick lets you do exactly that. You can edit any webpage on your browser, tweak copy, swap images, and visualize changes in seconds.

Marketing analysis

This method turns any live webpage into your personal sandbox. You can quickly mock up new ideas, see how they look and feel, and communicate design changes without waiting on dev teams or designers.

Why it works

• Instant feedback loop for copy and layout changes
• Minimizes back-and-forth between marketing and dev teams
• Lets you “see before you ship”
• Great for client pitches or A/B test planning

Examples

• Swap a homepage headline to test stronger value props.
• Edit a pricing page to test new offers.
• Reword CTAs to find what pops visually.
• Mock up ad landing pages before paying for traffic.