Laravel PHP

<?php

// routes/web.php
use Illuminate\Support\Facades\Route;

Route::get('/pixel.gif', function () {
    $gif = base64_decode('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==');

    return response($gif, 200, [
        'Content-Type' => 'image/gif',
        'Content-Length' => strlen($gif),
        'Cache-Control' => 'no-store',
    ]);
});