Response time for superuser.com is 0.41709 seconds.

Social media engagement for superuser.com

Facebook share count: 817

Pinterest share count: n/a

Title tag of superuser.com is: Super User. It has 10 characters.

Meta description of superuser.com is: Q&A for computer enthusiasts and power users It has 52 characters.

H1 tag (Yes) , H2 tag (No) , H3 tag (No) , h2 tag (No) , h3 tag (No) , H6 tag (No).

superuser.com has robots.txt.

superuser.com has sitemap.xml.

OG tags exist on superuser.com.

superuser.com has 6 images on home page. 5 images are without alt tags.

Error: Attribute itemprop not allowed on element meta at this point.From line 18, column 9; to line 18, column 164>↩        ↩     Attributes for element meta:Global attributesname — Metadata namehttp-equiv — Pragma directivecontent — Value of the elementcharset — Character encoding declaration<br>Error: Attribute itemprop not allowed on element meta at this point.From line 23, column 9; to line 23, column 94>↩        ↩     Attributes for element meta:Global attributesname — Metadata namehttp-equiv — Pragma directivecontent — Value of the elementcharset — Character encoding declaration<br>Error: Attribute itemprop not allowed on element meta at this point.From line 24, column 9; to line 24, column 151>↩        ↩↩    Attributes for element meta:Global attributesname — Metadata namehttp-equiv — Pragma directivecontent — Value of the elementcharset — Character encoding declaration<br>Error: Element div not allowed as child of element ol in this context. (Suppressing further errors from this subtree.)From line 150, column 9; to line 150, column 102>↩        ↩     Contexts in which element div may be used:Where flow content is expected.As a child of a dl element.Content model for element ol:Zero or more li and script-supporting elements.<br>Error: An img element must have an alt attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.From line 315, column 21; to line 315, column 117          ↩<br>Error: An img element must have an alt attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.From line 323, column 21; to line 323, column 115          ↩<br>Error: An img element must have an alt attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.From line 331, column 21; to line 331, column 114          ↩<br>Error: Bad value  for attribute aria-controls on element a: An IDREFS value must contain at least one non-whitespace character.From line 408, column 13; to line 413, column 84          ↩<br>Error: Bad value  for attribute aria-controls on element a: An IDREFS value must contain at least one non-whitespace character.From line 426, column 13; to line 431, column 84          ↩<br>Error: Bad value  for attribute aria-controls on element a: An IDREFS value must contain at least one non-whitespace character.From line 437, column 13; to line 442, column 84          ↩<br>Error: Bad value  for attribute aria-controls on element a: An IDREFS value must contain at least one non-whitespace character.From line 451, column 13; to line 456, column 84          ↩<br>Error: Bad value  for attribute aria-controls on element a: An IDREFS value must contain at least one non-whitespace character.From line 465, column 13; to line 470, column 84          ↩<br>Error: Bad value  for attribute aria-controls on element a: An IDREFS value must contain at least one non-whitespace character.From line 480, column 13; to line 485, column 84          ↩<br>Error: Bad value  for attribute aria-controls on element a: An IDREFS value must contain at least one non-whitespace character.From line 494, column 13; to line 499, column 84          ↩<br>Error: Element div not allowed as child of element ol in this context. (Suppressing further errors from this subtree.)From line 513, column 1; to line 513, column 41        ↩↩↩↩    Contexts in which element div may be used:Where flow content is expected.As a child of a dl element.Content model for element ol:Zero or more li and script-supporting elements.<br>Error: Element style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)From line 1198, column 17; to line 1198, column 23          ↩    <br>Error: Bad value dialog for attribute role on element aside.From line 1376, column 5; to line 1376, column 170/div>↩    ↩<br>Error: Element p not allowed as child of element label in this context. (Suppressing further errors from this subtree.)From line 1385, column 25; to line 1385, column 81          To subContexts in which element p may be used:Where flow content is expected.Content model for element label:Phrasing content, but with no descendant labelable elements unless it is the element's labeled control, and no descendant label elements.<br>Error: The aria-describedby attribute must point to an element in the same document.From line 123, column 5; to line 123, column 71div>↩↩    <br>Error: The aria-describedby attribute must point to an element in the same document.From line 123, column 5; to line 123, column 71div>↩↩    <br>Error: The aria-describedby attribute must point to an element in the same document.From line 123, column 5; to line 123, column 71div>↩↩    <br>Error: The itemprop attribute was specified, but the element is not a property of any item.From line 18, column 9; to line 18, column 164>↩        ↩<br>Error: The itemprop attribute was specified, but the element is not a property of any item.From line 23, column 9; to line 23, column 94>↩        ↩<br>Error: The itemprop attribute was specified, but the element is not a property of any item.From line 24, column 9; to line 24, column 151>↩        ↩↩<br>

HTTP/1.1 301 Moved Permanentlycache-control: no-cache, no-store, must-revalidatelocation: https://superuser.com/x-request-guid: bb32054c-473a-48af-ad31-225e8ac0dd07content-security-policy: upgrade-insecure-requests; frame-ancestors 'self' https://stackexchange.comcontent-security-policy-report-only: default-src https: wss: data: blob: 'unsafe-eval' 'unsafe-inline'; frame-ancestors 'self'; report-uri /_/csp-reportsAccept-Ranges: bytesDate: Fri, 16 Apr 2021 02:31:41 GMTVia: 1.1 varnishConnection: closeX-Served-By: cache-phx12427-PHXX-Cache: MISSX-Cache-Hits: 0X-Timer: S1618540302.609169,VS0,VE107Vary: Fastly-SSL

superuser.com domain lookup results from whois.verisign-grs.com server:

Domain Name: SUPERUSER.COM
Registry Domain ID: 1650980_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.corporatedomains.com
Registrar URL: http://cscdbs.com
Updated Date: 2024-01-29T06:35:21Z
Creation Date: 1995-11-01T05:00:00Z
Registry Expiry Date: 2025-02-02T11:59:59Z
Registrar: CSC Corporate Domains, Inc.
Registrar IANA ID: 299
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 8887802723
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DAMIAN.NS.CLOUDFLARE.COM
Name Server: SUREENA.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-04-23T22:08:10Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
registrar's sponsorship of the domain name registration in the registry is
currently set to expire. This date does not necessarily reflect the expiration
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view the registrar's reported date of expiration for this registration.
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