Get the source code from Github    -    or the bookmarklet

Result:

https://misschienvoorjou.nl/
Array
(
    [date] => Sun, 04 Dec 2022 12:41:59 GMT
    [content-type] => text/html; charset=UTF-8
    [transfer-encoding] => chunked
    [connection] => close
    [cross-origin-embedder-policy] => require-corp
    [cross-origin-opener-policy] => same-origin
    [cross-origin-resource-policy] => same-origin
    [permissions-policy] => accelerometer=(),autoplay=(),camera=(),clipboard-read=(),clipboard-write=(),fullscreen=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
    [referrer-policy] => same-origin
    [x-frame-options] => SAMEORIGIN
    [cache-control] => private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
    [expires] => Thu, 01 Jan 1970 00:00:01 GMT
    [report-to] => {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=mGhHlftckuYQkJ1thD0tUU1zTWrWl9qK7N4DMaLVrWcAmWfa3pg8CFHg22Ay%2BMTXzmQc5zSdyljmA2O1D%2FCf4unLyvfehNVX%2BLS12uON9iQ7PHYChrE6m%2BE28gDcgPhp0Z1sWYID"}],"group":"cf-nel","max_age":604800}
    [nel] => {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    [vary] => Accept-Encoding
    [server] => cloudflare
    [cf-ray] => 77449e95080ebb86-FRA
    [alt-svc] => h3=":443"; ma=86400, h3-29=":443"; ma=86400
)
Array
(
    [url] => https://misschienvoorjou.nl/
    [content_type] => text/html; charset=UTF-8
    [http_code] => 503
    [header_size] => 1238
    [request_size] => 121
    [filetime] => -1
    [ssl_verify_result] => 0
    [redirect_count] => 0
    [total_time] => 0.09187
    [namelookup_time] => 0.028604
    [connect_time] => 0.032966
    [pretransfer_time] => 0.071997
    [size_upload] => 0
    [size_download] => 7767
    [speed_download] => 85351
    [speed_upload] => 0
    [download_content_length] => -1
    [upload_content_length] => -1
    [starttransfer_time] => 0.091523
    [redirect_time] => 0
    [redirect_url] => 
    [primary_ip] => 188.114.97.3
    [certinfo] => Array
        (
        )

    [primary_port] => 443
    [local_ip] => 78.47.42.177
    [local_port] => 39026
    [http_version] => 2
    [protocol] => 2
    [ssl_verifyresult] => 0
    [scheme] => HTTPS
)
<!DOCTYPE html>
<html lang="en-US">
<head>
    <title>Just a moment...</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="robots" content="noindex,nofollow">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <link href="/cdn-cgi/styles/challenges.css" rel="stylesheet">
    <meta http-equiv="refresh" content="35">

</head>
<body class="no-js">
    <div class="main-wrapper" role="main">
    <div class="main-content">
        <h1 class="zone-name-title h1">
            <img class="heading-favicon" src="/favicon.ico"
                 onerror="this.onerror=null;this.parentNode.removeChild(this)">
            misschienvoorjou.nl
        </h1>
        <h2 class="h2" id="challenge-running">
            Checking if the site connection is secure
        </h2>
        <noscript>
            <div id="challenge-error-title">
                <div class="h2">
                    <span class="icon-wrapper">
                        <div class="heading-icon warning-icon"></div>
                    </span>
                    <span id="challenge-error-text">
                        Enable JavaScript and cookies to continue
                    </span>
                </div>
            </div>
        </noscript>
        <div id="trk_jschal_js" style="display:none;background-image:url('/cdn-cgi/images/trace/jsch/nojs/transparent.gif?ray=77449e95080ebb86')"></div>
        <div id="challenge-body-text" class="core-msg spacer">
            misschienvoorjou.nl needs to review the security of your connection before proceeding.
        </div>
        <form id="challenge-form" action="/?__cf_chl_f_tk=qZo93XLugqBh3fmqo6zk8y8Nc41nNrmo1JNCgutDdi4-1670157719-0-gaNycGzNByU" method="POST" enctype="application/x-www-form-urlencoded">
            <input type="hidden" name="md" value="X3y8.CPIJISg4fRNtFzRyjl92wZbZ.hG_7_vE5mIlt0-1670157719-0-AWCziozEEnzZwqGtstZu203F0qjjL_zqL1DMpiMjICmGz2YZUngruKZiXOm9E4rKP7NGAWnlInJLzR4bEKnmX0lDmVskVQZ90BSlmpfqdQYF_kjw1omfPc7NN6Nmi9RKPSjFH17hFjmkGUWM6vefisNrS8QFSPTgF9ObbFdzT8I_dC6FVdQY97M4uJvcfo_hGXxsj2d3UbyDHlaU3xE0K1qyopf7sSyn-pb2-RzZYk_HEn7f_OGjF-mkx1wq_j667Ug1UTdXmaPUWv1ac0G8LIGSIVzpvWLPrNd30KkgLuXOnMUOSlxqDTSlY78bsdej4RfVEGE5nP7FAqm4nG9C1BIGY2Ct3FgjGZnFwz13dFfCvDirxBdeZSfpWYIuJmHoOAMf7OhvGmOm8J6vLWa-d6Kr5cVlLkDTIgWC2SMha8Ci8G9JmQE3z4Zv3Cb0oF7tOWnbL0Nf7fI3M-3nrSaz5gxEVBR-KS2XGACoWo2g8pdH6aiQNVwPBMW-9gYLaCfWyGtTCN8aL0Wc6RALJjq-nqSNNXDjL0iSSDNV5VuRuVMJ">
            <input type="hidden" name="r" value="6uT14eq3_mm2XUHpDgjFfWGpU2OG5garPFb92nJW.HY-1670157719-0-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">
        </form>
    </div>
</div>
<script>
    (function(){
        window._cf_chl_opt={
            cvId: '2',
            cType: 'non-interactive',
            cNounce: '79719',
            cRay: '77449e95080ebb86',
            cHash: 'ceade8347de8e9f',
            cUPMDTk: "\/?__cf_chl_tk=qZo93XLugqBh3fmqo6zk8y8Nc41nNrmo1JNCgutDdi4-1670157719-0-gaNycGzNByU",
            cFPWv: 'g',
            cTTimeMs: '1000',
            cTplV: 4,
            cTplB: 'cf',
            cRq: {
                ru: 'aHR0cHM6Ly9taXNzY2hpZW52b29yam91Lm5sLw==',
                ra: 'RW1iZWQgUEhQIGxpYnJhcnk=',
                rm: 'R0VU',
                d: '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',
                t: 'MTY3MDE1NzcxOS44NTQwMDA=',
                m: 'p+FFuQLU7or6yrJm9PX1UWycWq+6iu3dpQxnS8zN+SM=',
                i1: 'qxWjaY6EamtPaMUcc9DTig==',
                i2: 'fR7lUdrUBWlFIVCYpbxuVA==',
                zh: 'LVlpX6YtUuRUdnE/9KVSm6CvCay6gCxYB5XG8K4Ff88=',
                uh: 'VUCPljqorY5V2sVej9AEQnZkPIgyJeWmwiiJ1eY19Rw=',
                hh: 'vBtepnJYkegySamBpKFHeNGF1df6XSZcAugtSiOJqdM=',
            }
        };
        var trkjs = document.createElement('img');
        trkjs.setAttribute('src', '/cdn-cgi/images/trace/jsch/js/transparent.gif?ray=77449e95080ebb86');
        trkjs.setAttribute('style', 'display: none');
        document.body.appendChild(trkjs);
        var cpo = document.createElement('script');
        cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/jsch/v1?ray=77449e95080ebb86';
        window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;
        window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, -window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;
        if (window.history && window.history.replaceState) {
            var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;
            history.replaceState(null, null, "\/?__cf_chl_rt_tk=qZo93XLugqBh3fmqo6zk8y8Nc41nNrmo1JNCgutDdi4-1670157719-0-gaNycGzNByU" + window._cf_chl_opt.cOgUHash);
            cpo.onload = function() {
                history.replaceState(null, null, ogU);
            };
        }
        document.getElementsByTagName('head')[0].appendChild(cpo);
    }());
</script>


    <div class="footer" role="contentinfo">
        <div class="footer-inner">
            <div class="clearfix diagnostic-wrapper">
                <div class="ray-id">Ray ID: <code>77449e95080ebb86</code></div>
            </div>
            <div class="text-center">Performance &amp; security by <a rel="noopener noreferrer" href="https://www.cloudflare.com?utm_source=challenge&utm_campaign=j" target="_blank">Cloudflare</a></div>
        </div>
    </div>
</body>
</html>

Fatal error: Uncaught Embed\Exceptions\InvalidUrlException: Invalid url 'https://misschienvoorjou.nl/' (Status code 503) in /var/www/oscarotero.com/www/embed3/src/Embed.php:142 Stack trace: #0 /var/www/oscarotero.com/www/embed3/src/Embed.php(81): Embed\Embed::process() #1 /var/www/oscarotero.com/www/embed3/demo/index.php(216): Embed\Embed::create() #2 {main} thrown in /var/www/oscarotero.com/www/embed3/src/Embed.php on line 142