Get the source code from Github    -    or the bookmarklet

Result:

https://tantso.com/
Array
(
    [date] => Thu, 18 Aug 2022 10:01:52 GMT
    [content-type] => text/html; charset=UTF-8
    [transfer-encoding] => chunked
    [connection] => close
    [x-frame-options] => SAMEORIGIN
    [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=()
    [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
    [expect-ct] => max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
    [report-to] => {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=JNoW8SJcv2HhhSQCRV8VcXOW%2FMZURfJXrqlXAWoXCBrAZDOb8FQI8kTPcS5ViZxlY%2Fe7sGC5F56ODfcnF551AcIVYet3QLcJPZGH%2B2BS2hG4w9qvthQLssES3LXS"}],"group":"cf-nel","max_age":604800}
    [nel] => {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    [vary] => Accept-Encoding
    [strict-transport-security] => max-age=31536000; includeSubDomains; preload
    [x-content-type-options] => nosniff
    [server] => cloudflare
    [cf-ray] => 73c9cf874ae577f7-VIE
    [alt-svc] => h3=":443"; ma=86400, h3-29=":443"; ma=86400
)
Array
(
    [url] => https://tantso.com/
    [content_type] => text/html; charset=UTF-8
    [http_code] => 503
    [header_size] => 1272
    [request_size] => 112
    [filetime] => -1
    [ssl_verify_result] => 0
    [redirect_count] => 0
    [total_time] => 0.084832
    [namelookup_time] => 0.02859
    [connect_time] => 0.038315
    [pretransfer_time] => 0.064664
    [size_upload] => 0
    [size_download] => 7867
    [speed_download] => 93654
    [speed_upload] => 0
    [download_content_length] => -1
    [upload_content_length] => -1
    [starttransfer_time] => 0.084594
    [redirect_time] => 0
    [redirect_url] => 
    [primary_ip] => 104.21.52.43
    [certinfo] => Array
        (
        )

    [primary_port] => 443
    [local_ip] => 78.47.42.177
    [local_port] => 52206
    [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/cf-errors.css" rel="stylesheet" />
    <meta http-equiv="refresh" content="35">
<script>
    (function(){
        window._cf_chl_opt={
            cvId: '2',
            cType: 'non-interactive',
            cNounce: '51255',
            cRay: '73c9cf874ae577f7',
            cHash: 'b2fa7974907c9aa',
            cUPMDTk: "\/?__cf_chl_tk=mtUd.kitHkHxEBLeecTXmsTIkzSg7lUCU0IwpbztwkM-1660816912-0-gaNycGzNBv0",
            cFPWv: 'b',
            cTTimeMs: '1000',
            cTplV: 3,
            cRq: {
                ru: 'aHR0cHM6Ly90YW50c28uY29tLw==',
                ra: 'RW1iZWQgUEhQIGxpYnJhcnk=',
                rm: 'R0VU',
                d: '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',
                t: 'MTY2MDgxNjkxMi41MjgwMDA=',
                m: 'BjUp2AqiMYNMU91HAgV8r/rXIi5Qsbo4sqdWjV+aTZQ=',
                i1: '5z6O2NAB/5Rh2I6xU/+wmg==',
                i2: 'zVmUXVhWxzZiW0Y3v8kF/w==',
                zh: '+TW+s1P4835H/hZxahEOfg0p3MY+UK60c1ZAdov4PeM=',
                uh: 'VUCPljqorY5V2sVej9AEQnZkPIgyJeWmwiiJ1eY19Rw=',
                hh: '/wLljoFun7C+u4+zKHAjA9vTG/zoCw88kOxASmY1nC8=',
            }
        }
        window._cf_chl_enter = function(){window._cf_chl_opt.p=1};
    })();
</script>

</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)" />
            tantso.com
        </h1>
        <h2 class="h2" id="cf-challenge-running">
            Checking if the site connection is secure
        </h2>
        <noscript>
            <div id="cf-challenge-error-title">
                <div class="h2">
                    <span class="icon-wrapper">
                        <div class="heading-icon warning-icon"></div>
                    </span>
                    <span id="cf-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=73c9cf874ae577f7')"></div>
        <div id="cf-challenge-body-text" class="core-msg spacer">
            tantso.com needs to review the security of your connection before
            proceeding.
        </div>
        <form id="challenge-form" action="/?__cf_chl_f_tk=mtUd.kitHkHxEBLeecTXmsTIkzSg7lUCU0IwpbztwkM-1660816912-0-gaNycGzNBv0" method="POST" enctype="application/x-www-form-urlencoded">
            <input type="hidden" name="md" value="ghfN67gLWfM_Tf7YaflynsjiEuWdFw9qrTHe9kxhfTg-1660816912-0-AWh9_ONLxmsl_g-aIcDRctkYZQdJ-NhEh7QWaxz4GDqxkVNTf7zCGWEs0DpeTbVw3IpmqKrSIUc2jGuPmGyR66fkaQzOdLbf4ZDqKsweaiWl433d_yw-Zo2vhUZrYkWxhdRVIY1dYBETa-zsWD5wIUu82aScxgH0YxozXmuMU9T-Np-ahM-ylywyfV4guUDhXhGNrcm5yulNToMOHvbOlyGx0OWgVGR3LY4-2vkHRugBQyN3vY4E0Jy_N6InPNQLfV8zGhrwQ6--kdMvf9o263SQoihqS7aS8GYMsZ6d5TBWSbefEdzNBig4FLiWVJ5Hn64hCVsm_8j6ExmmdG_2M-mORX1x00PAS-WC5m2FZC7HVtBhGoLnjfh7nkOHDL_YBy8hhVDko5KRffodXLbeGQmDXj9okZoLk3D_s7DQq92e_i0uMt3-M8rz7iCNGBUuOaU9gdDxz390O15jkIxw0WER8DnmyzBzX2XE79qhR6l4wc2LdNbWmEFxcZ5dVWd18njGNduPXhXUPd-S1S1PEmRwdKwGYmVpxEgfTnQlwsbQ" />
            <input type="hidden" name="r" value="ltKpJQHkNqurElkPgTPLdYuguiITR1s1uFh4fJJQHMI-1660816912-0-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"/>
        </form>
    </div>
</div>
<script>
    (function(){
        var trkjs = document.createElement('img');
        trkjs.setAttribute('src', '/cdn-cgi/images/trace/jsch/js/transparent.gif?ray=73c9cf874ae577f7');
        trkjs.setAttribute('style', 'display: none');
        document.body.appendChild(trkjs);
        var cpo = document.createElement('script');
        cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/jsch/v1?ray=73c9cf874ae577f7';
        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=mtUd.kitHkHxEBLeecTXmsTIkzSg7lUCU0IwpbztwkM-1660816912-0-gaNycGzNBv0" + 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>73c9cf874ae577f7</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:///tantso.com/' (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