superuser.com Website Information
Daily Unique Visits: 630,739
Daily Page Views: 5,045,912
Income Per Day: $5,046
Estimated Value: $5,449,680
superuser.com is registered under .COM top-level domain. Please check other sites in .COM zone.
No name server records were found.
and is probably hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the full list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.
The highest website superuser.com position in Alexa rank database was 2394 and the lowest rank position was 2674. Current position of superuser.com in Alexa rank database is 2416.
Desktop speed score of superuser.com (77/100) is better than the results of 63.93% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of superuser.com (92/100) is better than the results of 33.5% of other sites and means that the page is mobile-friendly.
Mobile speed score of superuser.com (71/100) is better than the results of 78.26% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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superuser.com Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
superuser.com whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
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: domainabuse@cscglobal.com
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: 2024-09-09T11:10:20Z
superuser.com server information
Servers Location
superuser.com desktop page speed rank
Last tested: 2016-06-12
superuser.com Desktop Speed Test Quick Summary
priority - 14Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 139.7KiB (60% reduction).
Compressing http://cdn.sstatic.net/img/share-sprite-new.svg?v=78be252218f3 could save 24.1KiB (70% reduction).
Compressing http://cdn.sstatic.net/Js/stub.en.js?v=f1b75fae2d6c could save 23.5KiB (65% reduction).
Compressing http://cdn.sstatic.net/Sites/superuser/img/sprites.svg?v=6f5b3bbd35ac could save 15.5KiB (33% reduction).
Compressing http://cdn.sstatic.net/Js/explore-qlist.en.js?v=2a9a628fca7f could save 1.1KiB (64% reduction).
priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://cdn.sstatic.net/Js/stub.en.js?v=f1b75fae2d6c
Optimize CSS Delivery of the following:
http://static.adzerk.net/Extensions/adFeedback.css
priority - 2Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 21.9KiB (15% reduction).
Losslessly compressing http://sstatic.net/stackexchange/Img/launched-ads/tex.png?v=2 could save 10.9KiB (13% reduction).
priority - 2Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
priority - 0Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
priority - 0Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 684B (34% reduction).
superuser.com Desktop Resource Breakdown
Total Resources | 26 |
Number of Hosts | 12 |
Static Resources | 15 |
JavaScript Resources | 11 |
CSS Resources | 2 |
superuser.com mobile page speed rank
Last tested: 2019-12-02
superuser.com Mobile Speed Test Quick Summary
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://cdn.sstatic.net/Js/mobile.en.js?v=b2b68dcf671f
Optimize CSS Delivery of the following:
https://cdn.sstatic.net/Sites/superuser/mobile.css?v=7639b34b42ad
priority - 1Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
superuser.com Mobile Resource Breakdown
Total Resources | 17 |
Number of Hosts | 9 |
Static Resources | 10 |
JavaScript Resources | 8 |
CSS Resources | 2 |
superuser.com mobile page usability
Last tested: 2019-12-02
superuser.com Mobile Usability Test Quick Summary
priority - 7Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
<a href="https://stacko…/cookie-policy" class="s-link s-link_…rline fc-white">Cookie Policy</a>
and 2 others are close to other tap targets.<a class="grid--cell fc-…s-notice-close"></a>
is close to 1 other tap targets.<a href="/questions/ask">Ask</a>
is close to 1 other tap targets.<a href="/questions/150…-customization">Thunderbird: Q…customization</a>
and 43 others are close to other tap targets.<a href="/questions/150…n?lastactivity" class="-time">4 mins ago</a>
and 89 others are close to other tap targets.<a href="/users/395378/dirdi" class="author">dirdi</a>
and 40 others are close to other tap targets.<a href="/questions/tagged/networking" class="post-tag">networking</a>
and 12 others are close to other tap targets.superuser.com HTML validation
Errors
Attribute “itemprop” not allowed on element “meta” at this point.
"...> <meta property="og:image" itemprop="image primaryImageOfPage" content="https://cdn.sstatic.net/Sites/superuser/Img/apple-touch-icon@2.png?v=e869e4459439" /> ..." Line: 23 Column: 9 - 94
"...> <meta name="twitter:title" property="og:title" itemprop="name" content="Super User" /> ..." Line: 24 Column: 9 - 151
"...> <meta name="twitter:description" property="og:description" itemprop="description" content="Q&A for computer enthusiasts and power users" /> ..."
Element “div” not allowed as child of element “ol” in this context. (Suppressing further errors from this subtree.)
"...> <div class="topbar-dialog help-dialog js-help-dialog dno" id="topbar-help-dialog" role="menu"> ..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
"... <img width="31" src="https://cdn.sstatic.net/Img/hero/anonymousHeroQuestions.svg?v=748bfb046b78"> ..." Line: 336 Column: 21 - 115
"... <img width="35" src="https://cdn.sstatic.net/Img/hero/anonymousHeroAnswers.svg?v=d5348b00eddc"> ..." Line: 344 Column: 21 - 114
"... <img width="24" src="https://cdn.sstatic.net/Img/hero/anonymousHeroUpvote.svg?v=af2bb70d5d1b"> ..."
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
"... <style> <..."
Bad value “dialog” for attribute “role” on element “aside”.
".../div> <aside class="s-modal js-feed-link-modal" tabindex="-1" role="dialog" aria-labelledby="feed-modal-title" aria-describedby="feed-modal-description" aria-hidden="true"> ..."
Element “p” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
"... <p class="s-description mt2" id="feed-modal-description">To sub..."
The “aria-describedby” attribute must point to an element in the same document.
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 122 Column: 5 - 71
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 122 Column: 5 - 71
"...div> <div class="js-search-hints" aria-describedby="Tips for searching"></div>..." Line: 293 Column: 9 - 105
"... <div class="wmx8 mx-auto grid grid__center" role="alertdialog" aria-describedby="notice-message"> ..."
The “itemprop” attribute was specified, but the element is not a property of any item.
"...> <meta property="og:image" itemprop="image primaryImageOfPage" content="https://cdn.sstatic.net/Sites/superuser/Img/apple-touch-icon@2.png?v=e869e4459439" /> ..." Line: 23 Column: 9 - 94
"...> <meta name="twitter:title" property="og:title" itemprop="name" content="Super User" /> ..." Line: 24 Column: 9 - 151
"...> <meta name="twitter:description" property="og:description" itemprop="description" content="Q&A for computer enthusiasts and power users" /> ..."
Warnings
The “navigation” role is unnecessary for element “nav”.
"...> <nav role="navigation"> ..."
The “contentinfo” role is unnecessary for element “footer”.
"... <footer id="footer" class="site-footer js-footer" role="contentinfo"> ..."
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
"... <h1 class="s-modal--header fw-bold js-first-tabbable" id="feed-modal-title" data-target="se-draggable.handle" tabindex="0"> ..."
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
"...TYPE html> <html class="html__responsive"> ..."
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superuser.com Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
superuser.com TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.