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Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
91
GRADE
A
FIX
0
REVIEW
3
PASS
6
INFO
0
Probed from Amsterdam, Netherlands
301 Moved Permanently
Checks
9
6 PASS 3 REVIEW
C
Crawlability
Action
robots.txt present, sitemap with 0 URLs
REVIEW
robots.txt present, sitemap with 0 URLs
Info::
robots.txt is present
Got: 10240 bytes
Info::
sitemap.xml is present
Warning::
sitemap.xml contains invalid XML
Search engines may not be able to parse the sitemap. Fix XML validation errors.
Warning::
sitemap.xml is empty — no URLs found
An empty sitemap provides no value. Add <url> entries for your pages.
Info::
robots.txt does not reference a sitemap
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

Search engines may not be able to parse the sitemap. Fix XML validation errors.

Why this matters

An unparseable sitemap is silently ignored by Google — the URLs it advertises are never queued for crawl.

Learn more ▾

Google's sitemap parser is strict about XML validity. A single unescaped `&` or unclosed tag invalidates the whole file. Run your sitemap through a validator (Search Console's Sitemaps report flags it) and fix the offending entry. Most generators escape correctly; mistakes usually come from manually-written entries.

Source: sitemaps.org / Google Search Central

An empty sitemap provides no value. Add <url> entries for your pages.

Why this matters

An empty sitemap signals 'no content to index' to Google — actively harmful versus having no sitemap at all.

Learn more ▾

Google compares URLs in the sitemap against URLs it has crawled. An empty sitemap on a site with thousands of pages signals abandonment. Either populate it correctly (most CMSes auto-generate) or delete the file and let Google crawl normally.

Source: Google Search Central / sitemaps.org

Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

Why this matters

robots.txt omits Sitemap: directive — crawlers must fetch /sitemap.xml by convention; reliable but missing the explicit hint.

Source: sitemaps.org

robots.txt 200 OK
Size 10240 B Sitemaps referenced 0 User-agents Blocking No — crawling allowed
<!DOCTYPE html><html lang="en-US" data-country-code="nl"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>Finally, AI for the entire software lifecycle.</title><link rel="preconnect" href="https://cdn.cookielaw.org"><link rel="preconnect" href="https://geolocation.onetrust.com"><script src="https://client-registry.mutinycdn.com/personalize/client/c18972324098ea25.js" async type="text/plain" class="optanon-category-C0004"></script><script hid="gtagConsent" defer>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}

  const defaultConsents = window.dataLayer.filter(item => item.length && Array.from(item).indexOf('default') >= 0);

  if(defaultConsents.length <= 2) {
    gtag('consent', 'default', {
      'analytics_storage': 'granted',
      'ad_storage': 'granted',
      'ad_user_data': 'granted',
      'functionality_storage': 'granted',
      'ad_personalization': 'granted',
      'wait_for_update': 500
    });
    gtag('consent', 'default', {
      'analytics_storage': 'denied',
      'ad_storage': 'denied',
      'ad_user_data': 'denied',
      'functionality_storage': 'denied',
      'ad_personalization': 'denied',
      'region': [
        'AT','BE','BG','HR','CY','CZ','DK','EE','FI','FR','DE','GR','HU','IE','IT','LV','LT','LU','MT','NL','PL','PT','RO','SK','SI','ES','SE','IS','LI','NO','RU','GB','PE','CO','KR','CA-QC'
      ],
      'wait_for_update': 500
    });
  }

  window.geofeed = (options) => {
    dataLayer.push({
      'event': 'OneTrustCountryLoad',
      'oneTrustCountryId': options.country.toString(),
      'oneTrustStateId': options.state?.toString()
    });
  }
</script><script id="oneTrustAutoBlocking" src="https://cdn.cookielaw.org/consent/7f944245-c5cd-4eed-a90e-dd955adfdd08/OtAutoBlock.js" type="text/javascript"></script><script id="oneTrustSDK" src="https://cdn.cookielaw.org/scripttemplates/otSDKStub.js" type="text/javascript" data-domain-script="7f944245-c5cd-4eed-a90e-dd955adfdd08"></script><script id="oneTrustGeolocation" src="https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location/geofeed" type="text/javascript"></script><script id="mutiny" defer>
          (function () {
            var a = (window.mutiny = window.mutiny || {});
            if (!window.mutiny.client) {
              a.client = { _queue: {} };
              var b = ['identify', 'trackConversion'];
              var c = [].concat(b, ['defaultOptOut', 'optOut', 'optIn']);
              var d = function factory(c) {
                return function () {
                  for (var d = arguments.length, e = new Array(d), f = 0; f < d; f++) {
                    e[f] = arguments[f];
                  }
                  a.client._queue[c] = a.client._queue[c] || [];
                  if (b.includes(c)) {
                    return new Promise(function (b, d) {
                      a.client._queue[c].push({ args: e, resolve: b, reject: d });
                    });
                  } else {
                    a.client._queue[c].push({ args: e });
                  }
                };
              };
              c.forEach(function (b) {
                a.client[b] = d(b);
              });
            }
          })();
          </script><script src="https://cdn.optimizely.com/js/5113954737848320.js" type="text/plain" class="optanon-category-C0002"></script><script id="onetrust-initialization">
            function OptanonWrapper() {
              try {
                setupConsentObservers();
              } catch (e) {
                console.error("OneTrust consent observer failed to setup", e);
              }
            }
            function setupConsentObservers() {
              // Check if onetrust and mutiny is active and opt in if right group is active
              if (OnetrustActiveGroups && window.mutiny) {
                if (OnetrustActiveGroups.includes('C0002') || OnetrustActiveGroups.includes('C0004')) {
                  window.mutiny.client.optIn();
                }
              }

              if (OneTrust) {
                OneTrust.OnConsentChanged((consentEvent) => {
                  const mutinyEnabled = consentEvent.detail.includes('C0002') || consentEvent.detail.includes('C0004');
                  if (mutinyEnabled && window.mutiny) {
                    window.mutiny.client.optIn();
                  } else if (!mutinyEnabled) {
                    window.mutiny.client.optOut();
                  }
                });
              }
            }
          </script><style>.grid-wrapper[data-v-e141c307]{display:flex;flex-direction:column;overflow-x:clip}.grid-wrapper[data-v-e141c307]>*{max-width:100%;min-width:0}.banner[data-v-e141c307]{order:0}@media screen and (min-width:768px){.banner[data-v-e141c307]{order:-1}}</style><style>@media(max-width:1025px){:lang(en) .be-nav-navigation-mobile[data-v-b39ff675]{display:block}}@media(min-width:1026px){:lang(en) .be-nav-navigation-desktop[data-v-b39ff675]{display:block}}@media(max-width:1200px){:not(:lang(en)) .be-nav-navigation-mobile[data-v-b39ff675]{display:block}}@media(min-width:1201px){:not(:lang(en)) .be-nav-navigation-desktop[data-v-b39ff675]{display:block}}#navigation[data-v-b39ff675]{background:#fff;left:0;min-height:84px;position:sticky;right:0;top:0;z-index:1025}@media(min-width:576px)and (max-width:1024px){#navigation[data-v-b39ff675]{min-height:80px}}.be-nav-navigation-mobile[data-v-b39ff675]{border:none;display:none}.be-nav-navigation-mobile[data-v-b39ff675] *,.be-nav-navigation-mobile[data-v-b39ff675] :after,.be-nav-navigation-mobile[data-v-b39ff675] :before{box-sizing:border-box}.be-nav-navigation-desktop[data-v-b39ff675]{display:none}.be-nav-navigation-desktop[data-v-b39ff675] *,.be-nav-navigation-desktop[data-v-b39ff675] :after,.be-nav-navigation-desktop[data-v-b39ff675] :before{box-sizing:border-box}</style><style>.be-nav-navigation[data-v-4759e43c]{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background-color:#fff;padding:4px 24px 16px}.be-nav-navigation[data-v-4759e43c] *,.be-nav-navigation[data-v-4759e43c] :after,.be-nav-navigation[data-v-4759e43c] :before{box-sizing:border-box}.be-nav-navigation-desktop[data-v-4759e43c]{overflow-x:clip}@media screen and (min-width:1025px)and (max-width:1200px){.be-nav-navigation[data-v-4759e43c]{display:flex;justify-content:center;padding:4px 24px 16px}}.be-nav-navigation__login-popover[data-v-4759e43c]{display:flex;flex-direction:column;min-width:240px;padding:0 24px}.be-nav-navigation__link[data-v-4759e43c]{color:#7759c2}.be-nav-navigation__link[data-v-4759e43c]:hover{text-decoration:underline}.be-nav-navigation__link[data-v-4759e43c]:last-of-type{padding-bottom:0}@media screen and (min-width:1025px)and (max-width:1200px){.be-nav-navigation__search[data-v-4759e43c]{margin-right:0}}.be-nav-navigation__search svg[data-v-4759e43c]{color:#74717a;transition:color .3s ease-in-out}.be-nav-navigation__search svg[data-v-4759e43c]:hover{color:#45424d}.be-nav-navigation-bottom[data-v-4759e43c]{align-items:center;display:flex;justify-content:space-between;padding-top:16px;width:100%}.be-nav-navigation-bottom.centered[data-v-4759e43c]{justify-content:center}.be-nav-navigation-bottom__cta--accent[data-v-4759e43c]{background-color:#e24329!important;border-color:#e24329!important;color:#fff!important}.be-nav-navigation-bottom__cta--accent[data-v-4759e43c]:hover{background-color:#fff!important;color:#e24329!important}.be-nav-navigation-bottom__cta--steel[data-v-4759e43c]{background:linear-gradient(93.83deg,#000 7.27% 105.33%)!important;overflow:hidden;position:relative}.be-nav-navigation-bottom__cta--steel[data-v-4759e43c]:after{background-image:linear-gradient(90deg,transparent,hsla(0,0%,100%,.5),transparent);content:"";height:100%;left:-200%;position:absolute;top:0;transform:skew(-20deg);width:200%}.be-nav-navigation-bottom__cta--steel[data-v-4759e43c]:hover{background-color:#fff!important;color:#fff!important}.be-nav-navigation-bottom__cta--steel[data-v-4759e43c]:hover:after{animation:shine-4759e43c .8s ease-in-out}.be-nav-navigation-bottom .navigation-bottom-left[data-v-4759e43c]{align-items:center;color:#74717a!important;display:flex}.be-nav-navigation-bottom .navigation-bottom-left ul[data-v-4759e43c]{white-space:nowrap}.be-nav-navigation-bottom .navigation-bottom-left--no-search[data-v-4759e43c]{margin-right:40px}.be-nav-navigation-bottom .navigation-item[data-v-4759e43c]{display:inline-block}.be-nav-navigation-bottom .navigation-item[data-v-4759e43c]:not(:last-child){margin-right:16px}@media screen and (min-width:1025px)and (max-width:1200px){.be-nav-navigation-bottom .navigation-item[data-v-4759e43c]:not(:last-child){margin-right:8px}}.be-nav-navigation-bottom .navigation-bottom-right[data-v-4759e43c]{align-items:center;display:flex}@media screen and (min-width:1025px)and (max-width:1200px){.be-nav-navigation-bottom .navigation-bottom-right .slp-btn[data-v-4759e43c]:not(:first-child){margin-right:8px}}.v-popper__arrow-container[data-v-4759e43c]{display:none!important}.v-popper__popper[data-v-4759e43c]{outline:none!important}@keyframes shine-4759e43c{to{left:200%}}</style><style>.navigation-dropdown[data-v-96fa6d1a]{display:inline-block;margin-bottom:-16px;padding-bottom:16px;position:relative}.navigation-dropdown:hover .navigation-dropdown__popover[data-v-96fa6d1a]{opacity:1;visibility:visible}.navigation-dropdown:hover .navigation-dropdown__button[data-v-96fa6d1a]{color:#171321}.navigation-dropdown:hover .navigation-dropdown__button svg[data-v-96fa6d1a]{display:block}.navigation-dropdown__button[data-v-96fa6d1a]{color:#74717a;position:relative;transition:color .3s ease-in-out}.navigation-dropdown__button[data-v-96fa6d1a]:hover{color:#171321}.navigation-dropdown__button:hover svg[data-v-96fa6d1a]{display:block}.navigation-dropdown__button svg[data-v-96fa6d1a]{bottom:-4px;display:none;left:calc(50% - 8px);position:absolute}.navigation-dropdown__popover[data-v-96fa6d1a]{background-color:#fff;border:1px solid #d1d0d3;border-radius:4px;box-shadow:0 8px 50px -16px #d1d0d280;display:flex;flex-wrap:wrap;min-width:170px;position:absolute;top:50px;transition:visibility 0s,opacity .15s ease-in-out;z-index:1}.navigat
sitemap.xml 200 OK
Type URL Set URLs 0 entries Valid XML No
B
TLS Certificate Expiry & Recommendations
75 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

75
days left
0d 30d 60d 90d+

Recommended actions

  • Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
  • Enable DNSSEC on your domain for DNS spoofing protection
  • Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
B
CDN & Delivery
Cloudflare
REVIEW
Cloudflare
Info::
Site is served via Cloudflare CDN (edge: AMS)
Got: cf-ray: 9effaac539541c81-AMS
CDN Detected: Cloudflare
Provider Cloudflare Evidence cf-ray: 9effaac539541c81-AMS
A+
DNS Records
2 A records, 5 ms lookup
PASS
2 A records, 5 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 188.114.97.0, 188.114.96.0
Info::
Has 2 IPv6 (AAAA) record(s)
Got: 2a06:98c1:3120::, 2a06:98c1:3121::
Info::
2 nameserver(s) configured
Got: maxim.ns.cloudflare.com, nia.ns.cloudflare.com
Info::
2 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
No SPF record found in TXT records
SPF helps prevent email spoofing. Add a TXT record starting with 'v=spf1'.
Info::
DNS resolution time: 5 ms
Got: 5 ms
A188.114.97.0, 188.114.96.0
AAAA2a06:98c1:3120::, 2a06:98c1:3121::
CNAME—
NSmaxim.ns.cloudflare.com, nia.ns.cloudflare.com
MX
10 mxa.mailgun.org
10 mxb.mailgun.org
TXT
_globalsign-domain-verification=4azHJ7gL04Dr8r2VR0txu7OrWg7uZpU6v7LOHVP1b3
_globalsign-domain-verification=pZoAzSCaowUllt7Bx5ug4ZHpnHBzvETtlWKa0AousJ
CAALookup not available with standard resolver
Resolved in 5 ms

CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

SPF helps prevent email spoofing. Add a TXT record starting with 'v=spf1'.

Why this matters

Without SPF, receiving servers can't validate sending IPs — your domain is easier to spoof in phishing.

Learn more ▾

SPF complements DMARC. Both should be published. SPF records list authorized sending IPs (e.g., `v=spf1 include:_spf.google.com ~all` for Google Workspace). After publishing, verify in Google Postmaster Tools or mxtoolbox.

Source: RFC 7208 (SPF)

A
Redirect Chain
1 redirect(s), 93 ms total
PASS
1 redirect(s), 93 ms total
Info::
Single redirect
Got: https://gitlab.io → https://about.gitlab.com/ (301)
Info::
Cross-domain redirect detected

https://gitlab.io

19 ms · HTTP/1.1

301

https://about.gitlab.com/

74 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://gitlab.io30119 msHTTP/1.1cloudflare
2https://about.gitlab.com/20074 msHTTP/1.1cloudflare

See the visual redirect chain in the HTTP Probe tab →

A+
IPv6 Readiness
IPv6 reachable (1 ms)
PASS
IPv6 reachable (1 ms)
Info::
IPv6 is configured and reachable at 2a06:98c1:3120::, 2a06:98c1:3121::
Got: 1 ms connect
IPv6 Ready
AAAA Records 2a06:98c1:3120::, 2a06:98c1:3121:: Connection Reachable (1 ms)
A+
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
PASS
www/non-www, trailing slash, HTTP→HTTPS
Info::
www/non-www redirect configured correctly (preferred: non-www)
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

301https://www.gitlab.io/
200https://gitlab.io/

Preferred variant: non-www

HTTP → HTTPS

301http://gitlab.io/ → https://about.gitlab.com/

Consistent

A+
Domain Intelligence
gitlab.io — via Gandi SAS, 13 years, 10 months old
PASS
gitlab.io — via Gandi SAS, 13 years, 10 months old
Info::
Domain registered until Aug 22, 2026 (4 months remaining)
Info::
Registrar: Gandi SAS
Info::
Registrar lock is enabled
Domain cannot be transferred without explicit unlock from the registrar. This protects against unauthorized transfers.
Domain expiry

68 days

August 22, 2026

SSL certificate

75 days

Issued by Google Trust Services

Domain age

13 years, 10 months

Registered August 22, 2012

DNSSEC

Status unknown

Protects against DNS spoofing

Hosting

Unknown

2a06:98c1:3121::

Registrar

Gandi SAS

Locked 2 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Renew the domain or enable auto-renewal to prevent accidental expiry
Registrar Gandi SAS
Created August 22, 2012 (13 years, 10 months ago)
Expires August 22, 2026 (4 months)
Last Updated July 23, 2025
Name Servers nia.ns.cloudflare.com, maxim.ns.cloudflare.com
Registrant GitLab, Inc.
Hosting
IP Address 2a06:98c1:3121::
Data source: whois (0.9s)

Domain cannot be transferred without explicit unlock from the registrar. This protects against unauthorized transfers.

Why this matters

Registrar lock (clientTransferProhibited et al.) prevents unauthorized domain transfers — strongest defense against domain hijacking.

Source: ICANN / domain-security best practice

A+
HTTP Probe Timing
Total 21 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
4 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
2 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
11 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
22 ms
Total Time Total request time from DNS lookup through full response.
22 ms

Connection waterfall

DNS Lookup 4 ms TCP Connect 2 ms TLS Handshake 11 ms Server Processing 5 ms Content Transfer 0 ms
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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