<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>attempt ftct</title> <style> body { margin: 0 auto; width: min(500px, 100vw); } </style> </head> <body> <h1>go ahead, try</h1> <h2>should be exactly 30 characters</h2> <input type="text" /> <button onclick="window.location.replace(`https://static.pyrope.net/ftct/${document.querySelector('input').value}.html`)" > see if you're right </button> </body> </html>